Re: Linux 5.8.14

From: Greg Kroah-Hartman
Date: Wed Oct 07 2020 - 04:59:00 EST

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diff --git a/Documentation/devicetree/bindings/gpio/sgpio-aspeed.txt b/Documentation/devicetree/bindings/gpio/sgpio-aspeed.txt
index d4d83916c09d..be329ea4794f 100644
--- a/Documentation/devicetree/bindings/gpio/sgpio-aspeed.txt
+++ b/Documentation/devicetree/bindings/gpio/sgpio-aspeed.txt
@@ -20,8 +20,9 @@ Required properties:
- gpio-controller : Marks the device node as a GPIO controller
- interrupts : Interrupt specifier, see interrupt-controller/interrupts.txt
- interrupt-controller : Mark the GPIO controller as an interrupt-controller
-- ngpios : number of GPIO lines, see gpio.txt
- (should be multiple of 8, up to 80 pins)
+- ngpios : number of *hardware* GPIO lines, see gpio.txt. This will expose
+ 2 software GPIOs per hardware GPIO: one for hardware input, one for hardware
+ output. Up to 80 pins, must be a multiple of 8.
- clocks : A phandle to the APB clock for SGPM clock division
- bus-frequency : SGPM CLK frequency

diff --git a/Makefile b/Makefile
index 0d81d8cba48b..33ceda527e5e 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 5
PATCHLEVEL = 8
-SUBLEVEL = 13
+SUBLEVEL = 14
EXTRAVERSION =
NAME = Kleptomaniac Octopus

diff --git a/block/blk-mq.c b/block/blk-mq.c
index a366726094a8..8e623e028275 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -1304,6 +1304,11 @@ bool blk_mq_dispatch_rq_list(struct request_queue *q, struct list_head *list,

hctx->dispatched[queued_to_index(queued)]++;

+ /* If we didn't flush the entire list, we could have told the driver
+ * there was more coming, but that turned out to be a lie.
+ */
+ if ((!list_empty(list) || errors) && q->mq_ops->commit_rqs && queued)
+ q->mq_ops->commit_rqs(hctx);
/*
* Any items that need requeuing? Stuff them into hctx->dispatch,
* that is where we will continue on next queue run.
@@ -1311,14 +1316,6 @@ bool blk_mq_dispatch_rq_list(struct request_queue *q, struct list_head *list,
if (!list_empty(list)) {
bool needs_restart;

- /*
- * If we didn't flush the entire list, we could have told
- * the driver there was more coming, but that turned out to
- * be a lie.
- */
- if (q->mq_ops->commit_rqs && queued)
- q->mq_ops->commit_rqs(hctx);
-
spin_lock(&hctx->lock);
list_splice_tail_init(list, &hctx->dispatch);
spin_unlock(&hctx->lock);
@@ -1971,6 +1968,7 @@ void blk_mq_try_issue_list_directly(struct blk_mq_hw_ctx *hctx,
struct list_head *list)
{
int queued = 0;
+ int errors = 0;

while (!list_empty(list)) {
blk_status_t ret;
@@ -1987,6 +1985,7 @@ void blk_mq_try_issue_list_directly(struct blk_mq_hw_ctx *hctx,
break;
}
blk_mq_end_request(rq, ret);
+ errors++;
} else
queued++;
}
@@ -1996,7 +1995,8 @@ void blk_mq_try_issue_list_directly(struct blk_mq_hw_ctx *hctx,
* the driver there was more coming, but that turned out to
* be a lie.
*/
- if (!list_empty(list) && hctx->queue->mq_ops->commit_rqs && queued)
+ if ((!list_empty(list) || errors) &&
+ hctx->queue->mq_ops->commit_rqs && queued)
hctx->queue->mq_ops->commit_rqs(hctx);
}

diff --git a/block/blk-settings.c b/block/blk-settings.c
index 9a2c23cd9700..525bdb699deb 100644
--- a/block/blk-settings.c
+++ b/block/blk-settings.c
@@ -832,6 +832,52 @@ bool blk_queue_can_use_dma_map_merging(struct request_queue *q,
}
EXPORT_SYMBOL_GPL(blk_queue_can_use_dma_map_merging);

+/**
+ * blk_queue_set_zoned - configure a disk queue zoned model.
+ * @disk: the gendisk of the queue to configure
+ * @model: the zoned model to set
+ *
+ * Set the zoned model of the request queue of @disk according to @model.
+ * When @model is BLK_ZONED_HM (host managed), this should be called only
+ * if zoned block device support is enabled (CONFIG_BLK_DEV_ZONED option).
+ * If @model specifies BLK_ZONED_HA (host aware), the effective model used
+ * depends on CONFIG_BLK_DEV_ZONED settings and on the existence of partitions
+ * on the disk.
+ */
+void blk_queue_set_zoned(struct gendisk *disk, enum blk_zoned_model model)
+{
+ switch (model) {
+ case BLK_ZONED_HM:
+ /*
+ * Host managed devices are supported only if
+ * CONFIG_BLK_DEV_ZONED is enabled.
+ */
+ WARN_ON_ONCE(!IS_ENABLED(CONFIG_BLK_DEV_ZONED));
+ break;
+ case BLK_ZONED_HA:
+ /*
+ * Host aware devices can be treated either as regular block
+ * devices (similar to drive managed devices) or as zoned block
+ * devices to take advantage of the zone command set, similarly
+ * to host managed devices. We try the latter if there are no
+ * partitions and zoned block device support is enabled, else
+ * we do nothing special as far as the block layer is concerned.
+ */
+ if (!IS_ENABLED(CONFIG_BLK_DEV_ZONED) ||
+ disk_has_partitions(disk))
+ model = BLK_ZONED_NONE;
+ break;
+ case BLK_ZONED_NONE:
+ default:
+ if (WARN_ON_ONCE(model != BLK_ZONED_NONE))
+ model = BLK_ZONED_NONE;
+ break;
+ }
+
+ disk->queue->limits.zoned = model;
+}
+EXPORT_SYMBOL_GPL(blk_queue_set_zoned);
+
static int __init blk_settings_init(void)
{
blk_max_low_pfn = max_low_pfn - 1;
diff --git a/drivers/clk/samsung/clk-exynos4.c b/drivers/clk/samsung/clk-exynos4.c
index 51564fc23c63..f4086287bb71 100644
--- a/drivers/clk/samsung/clk-exynos4.c
+++ b/drivers/clk/samsung/clk-exynos4.c
@@ -927,7 +927,7 @@ static const struct samsung_gate_clock exynos4210_gate_clks[] __initconst = {
GATE(CLK_PCIE, "pcie", "aclk133", GATE_IP_FSYS, 14, 0, 0),
GATE(CLK_SMMU_PCIE, "smmu_pcie", "aclk133", GATE_IP_FSYS, 18, 0, 0),
GATE(CLK_MODEMIF, "modemif", "aclk100", GATE_IP_PERIL, 28, 0, 0),
- GATE(CLK_CHIPID, "chipid", "aclk100", E4210_GATE_IP_PERIR, 0, 0, 0),
+ GATE(CLK_CHIPID, "chipid", "aclk100", E4210_GATE_IP_PERIR, 0, CLK_IGNORE_UNUSED, 0),
GATE(CLK_SYSREG, "sysreg", "aclk100", E4210_GATE_IP_PERIR, 0,
CLK_IGNORE_UNUSED, 0),
GATE(CLK_HDMI_CEC, "hdmi_cec", "aclk100", E4210_GATE_IP_PERIR, 11, 0,
@@ -969,7 +969,7 @@ static const struct samsung_gate_clock exynos4x12_gate_clks[] __initconst = {
0),
GATE(CLK_TSADC, "tsadc", "aclk133", E4X12_GATE_BUS_FSYS1, 16, 0, 0),
GATE(CLK_MIPI_HSI, "mipi_hsi", "aclk133", GATE_IP_FSYS, 10, 0, 0),
- GATE(CLK_CHIPID, "chipid", "aclk100", E4X12_GATE_IP_PERIR, 0, 0, 0),
+ GATE(CLK_CHIPID, "chipid", "aclk100", E4X12_GATE_IP_PERIR, 0, CLK_IGNORE_UNUSED, 0),
GATE(CLK_SYSREG, "sysreg", "aclk100", E4X12_GATE_IP_PERIR, 1,
CLK_IGNORE_UNUSED, 0),
GATE(CLK_HDMI_CEC, "hdmi_cec", "aclk100", E4X12_GATE_IP_PERIR, 11, 0,
diff --git a/drivers/clk/samsung/clk-exynos5420.c b/drivers/clk/samsung/clk-exynos5420.c
index fea33399a632..bd620876544d 100644
--- a/drivers/clk/samsung/clk-exynos5420.c
+++ b/drivers/clk/samsung/clk-exynos5420.c
@@ -1655,6 +1655,11 @@ static void __init exynos5x_clk_init(struct device_node *np,
* main G3D clock enablement status.
*/
clk_prepare_enable(__clk_lookup("mout_sw_aclk_g3d"));
+ /*
+ * Keep top BPLL mux enabled permanently to ensure that DRAM operates
+ * properly.
+ */
+ clk_prepare_enable(__clk_lookup("mout_bpll"));

samsung_clk_of_add_provider(np, ctx);
}
diff --git a/drivers/clk/socfpga/clk-s10.c b/drivers/clk/socfpga/clk-s10.c
index c1dfc9b34e4e..661a8e9bfb9b 100644
--- a/drivers/clk/socfpga/clk-s10.c
+++ b/drivers/clk/socfpga/clk-s10.c
@@ -209,7 +209,7 @@ static const struct stratix10_perip_cnt_clock s10_main_perip_cnt_clks[] = {
{ STRATIX10_EMAC_B_FREE_CLK, "emacb_free_clk", NULL, emacb_free_mux, ARRAY_SIZE(emacb_free_mux),
0, 0, 2, 0xB0, 1},
{ STRATIX10_EMAC_PTP_FREE_CLK, "emac_ptp_free_clk", NULL, emac_ptp_free_mux,
- ARRAY_SIZE(emac_ptp_free_mux), 0, 0, 4, 0xB0, 2},
+ ARRAY_SIZE(emac_ptp_free_mux), 0, 0, 2, 0xB0, 2},
{ STRATIX10_GPIO_DB_FREE_CLK, "gpio_db_free_clk", NULL, gpio_db_free_mux,
ARRAY_SIZE(gpio_db_free_mux), 0, 0, 0, 0xB0, 3},
{ STRATIX10_SDMMC_FREE_CLK, "sdmmc_free_clk", NULL, sdmmc_free_mux,
diff --git a/drivers/clk/tegra/clk-pll.c b/drivers/clk/tegra/clk-pll.c
index 0b212cf2e794..1cc982d3de63 100644
--- a/drivers/clk/tegra/clk-pll.c
+++ b/drivers/clk/tegra/clk-pll.c
@@ -1601,9 +1601,6 @@ static int clk_plle_tegra114_enable(struct clk_hw *hw)
unsigned long flags = 0;
unsigned long input_rate;

- if (clk_pll_is_enabled(hw))
- return 0;
-
input_rate = clk_hw_get_rate(clk_hw_get_parent(hw));

if (_get_table_rate(hw, &sel, pll->params->fixed_rate, input_rate))
diff --git a/drivers/clk/tegra/clk-tegra210-emc.c b/drivers/clk/tegra/clk-tegra210-emc.c
index 352a2c3fc374..51fd0ec2a2d0 100644
--- a/drivers/clk/tegra/clk-tegra210-emc.c
+++ b/drivers/clk/tegra/clk-tegra210-emc.c
@@ -12,6 +12,8 @@
#include <linux/io.h>
#include <linux/slab.h>

+#include "clk.h"
+
#define CLK_SOURCE_EMC 0x19c
#define CLK_SOURCE_EMC_2X_CLK_SRC GENMASK(31, 29)
#define CLK_SOURCE_EMC_MC_EMC_SAME_FREQ BIT(16)
diff --git a/drivers/clocksource/timer-gx6605s.c b/drivers/clocksource/timer-gx6605s.c
index 80d0939d040b..8d386adbe800 100644
--- a/drivers/clocksource/timer-gx6605s.c
+++ b/drivers/clocksource/timer-gx6605s.c
@@ -28,6 +28,7 @@ static irqreturn_t gx6605s_timer_interrupt(int irq, void *dev)
void __iomem *base = timer_of_base(to_timer_of(ce));

writel_relaxed(GX6605S_STATUS_CLR, base + TIMER_STATUS);
+ writel_relaxed(0, base + TIMER_INI);

ce->event_handler(ce);

diff --git a/drivers/cpuidle/cpuidle-psci.c b/drivers/cpuidle/cpuidle-psci.c
index 3806f911b61c..915172e3ec90 100644
--- a/drivers/cpuidle/cpuidle-psci.c
+++ b/drivers/cpuidle/cpuidle-psci.c
@@ -64,7 +64,7 @@ static int psci_enter_domain_idle_state(struct cpuidle_device *dev,
return -1;

/* Do runtime PM to manage a hierarchical CPU toplogy. */
- pm_runtime_put_sync_suspend(pd_dev);
+ RCU_NONIDLE(pm_runtime_put_sync_suspend(pd_dev));

state = psci_get_domain_state();
if (!state)
@@ -72,7 +72,7 @@ static int psci_enter_domain_idle_state(struct cpuidle_device *dev,

ret = psci_cpu_suspend_enter(state) ? -1 : idx;

- pm_runtime_get_sync(pd_dev);
+ RCU_NONIDLE(pm_runtime_get_sync(pd_dev));

cpu_pm_exit();

diff --git a/drivers/dma/dmatest.c b/drivers/dma/dmatest.c
index 604f80357931..323822372b4c 100644
--- a/drivers/dma/dmatest.c
+++ b/drivers/dma/dmatest.c
@@ -129,6 +129,7 @@ struct dmatest_params {
* @nr_channels: number of channels under test
* @lock: access protection to the fields of this structure
* @did_init: module has been initialized completely
+ * @last_error: test has faced configuration issues
*/
static struct dmatest_info {
/* Test parameters */
@@ -137,6 +138,7 @@ static struct dmatest_info {
/* Internal state */
struct list_head channels;
unsigned int nr_channels;
+ int last_error;
struct mutex lock;
bool did_init;
} test_info = {
@@ -1175,10 +1177,22 @@ static int dmatest_run_set(const char *val, const struct kernel_param *kp)
return ret;
} else if (dmatest_run) {
if (!is_threaded_test_pending(info)) {
- pr_info("No channels configured, continue with any\n");
- if (!is_threaded_test_run(info))
- stop_threaded_test(info);
- add_threaded_test(info);
+ /*
+ * We have nothing to run. This can be due to:
+ */
+ ret = info->last_error;
+ if (ret) {
+ /* 1) Misconfiguration */
+ pr_err("Channel misconfigured, can't continue\n");
+ mutex_unlock(&info->lock);
+ return ret;
+ } else {
+ /* 2) We rely on defaults */
+ pr_info("No channels configured, continue with any\n");
+ if (!is_threaded_test_run(info))
+ stop_threaded_test(info);
+ add_threaded_test(info);
+ }
}
start_threaded_tests(info);
} else {
@@ -1195,7 +1209,7 @@ static int dmatest_chan_set(const char *val, const struct kernel_param *kp)
struct dmatest_info *info = &test_info;
struct dmatest_chan *dtc;
char chan_reset_val[20];
- int ret = 0;
+ int ret;

mutex_lock(&info->lock);
ret = param_set_copystring(val, kp);
@@ -1250,12 +1264,14 @@ static int dmatest_chan_set(const char *val, const struct kernel_param *kp)
goto add_chan_err;
}

+ info->last_error = ret;
mutex_unlock(&info->lock);

return ret;

add_chan_err:
param_set_copystring(chan_reset_val, kp);
+ info->last_error = ret;
mutex_unlock(&info->lock);

return ret;
diff --git a/drivers/gpio/gpio-amd-fch.c b/drivers/gpio/gpio-amd-fch.c
index 4e44ba4d7423..2a21354ed6a0 100644
--- a/drivers/gpio/gpio-amd-fch.c
+++ b/drivers/gpio/gpio-amd-fch.c
@@ -92,7 +92,7 @@ static int amd_fch_gpio_get_direction(struct gpio_chip *gc, unsigned int gpio)
ret = (readl_relaxed(ptr) & AMD_FCH_GPIO_FLAG_DIRECTION);
spin_unlock_irqrestore(&priv->lock, flags);

- return ret ? GPIO_LINE_DIRECTION_IN : GPIO_LINE_DIRECTION_OUT;
+ return ret ? GPIO_LINE_DIRECTION_OUT : GPIO_LINE_DIRECTION_IN;
}

static void amd_fch_gpio_set(struct gpio_chip *gc,
diff --git a/drivers/gpio/gpio-aspeed-sgpio.c b/drivers/gpio/gpio-aspeed-sgpio.c
index d16645c1d8d9..a0eb00c024f6 100644
--- a/drivers/gpio/gpio-aspeed-sgpio.c
+++ b/drivers/gpio/gpio-aspeed-sgpio.c
@@ -17,7 +17,17 @@
#include <linux/spinlock.h>
#include <linux/string.h>

-#define MAX_NR_SGPIO 80
+/*
+ * MAX_NR_HW_GPIO represents the number of actual hardware-supported GPIOs (ie,
+ * slots within the clocked serial GPIO data). Since each HW GPIO is both an
+ * input and an output, we provide MAX_NR_HW_GPIO * 2 lines on our gpiochip
+ * device.
+ *
+ * We use SGPIO_OUTPUT_OFFSET to define the split between the inputs and
+ * outputs; the inputs start at line 0, the outputs start at OUTPUT_OFFSET.
+ */
+#define MAX_NR_HW_SGPIO 80
+#define SGPIO_OUTPUT_OFFSET MAX_NR_HW_SGPIO

#define ASPEED_SGPIO_CTRL 0x54

@@ -30,8 +40,8 @@ struct aspeed_sgpio {
struct clk *pclk;
spinlock_t lock;
void __iomem *base;
- uint32_t dir_in[3];
int irq;
+ int n_sgpio;
};

struct aspeed_sgpio_bank {
@@ -111,31 +121,69 @@ static void __iomem *bank_reg(struct aspeed_sgpio *gpio,
}
}

-#define GPIO_BANK(x) ((x) >> 5)
-#define GPIO_OFFSET(x) ((x) & 0x1f)
+#define GPIO_BANK(x) ((x % SGPIO_OUTPUT_OFFSET) >> 5)
+#define GPIO_OFFSET(x) ((x % SGPIO_OUTPUT_OFFSET) & 0x1f)
#define GPIO_BIT(x) BIT(GPIO_OFFSET(x))

static const struct aspeed_sgpio_bank *to_bank(unsigned int offset)
{
- unsigned int bank = GPIO_BANK(offset);
+ unsigned int bank;
+
+ bank = GPIO_BANK(offset);

WARN_ON(bank >= ARRAY_SIZE(aspeed_sgpio_banks));
return &aspeed_sgpio_banks[bank];
}

+static int aspeed_sgpio_init_valid_mask(struct gpio_chip *gc,
+ unsigned long *valid_mask, unsigned int ngpios)
+{
+ struct aspeed_sgpio *sgpio = gpiochip_get_data(gc);
+ int n = sgpio->n_sgpio;
+ int c = SGPIO_OUTPUT_OFFSET - n;
+
+ WARN_ON(ngpios < MAX_NR_HW_SGPIO * 2);
+
+ /* input GPIOs in the lower range */
+ bitmap_set(valid_mask, 0, n);
+ bitmap_clear(valid_mask, n, c);
+
+ /* output GPIOS above SGPIO_OUTPUT_OFFSET */
+ bitmap_set(valid_mask, SGPIO_OUTPUT_OFFSET, n);
+ bitmap_clear(valid_mask, SGPIO_OUTPUT_OFFSET + n, c);
+
+ return 0;
+}
+
+static void aspeed_sgpio_irq_init_valid_mask(struct gpio_chip *gc,
+ unsigned long *valid_mask, unsigned int ngpios)
+{
+ struct aspeed_sgpio *sgpio = gpiochip_get_data(gc);
+ int n = sgpio->n_sgpio;
+
+ WARN_ON(ngpios < MAX_NR_HW_SGPIO * 2);
+
+ /* input GPIOs in the lower range */
+ bitmap_set(valid_mask, 0, n);
+ bitmap_clear(valid_mask, n, ngpios - n);
+}
+
+static bool aspeed_sgpio_is_input(unsigned int offset)
+{
+ return offset < SGPIO_OUTPUT_OFFSET;
+}
+
static int aspeed_sgpio_get(struct gpio_chip *gc, unsigned int offset)
{
struct aspeed_sgpio *gpio = gpiochip_get_data(gc);
const struct aspeed_sgpio_bank *bank = to_bank(offset);
unsigned long flags;
enum aspeed_sgpio_reg reg;
- bool is_input;
int rc = 0;

spin_lock_irqsave(&gpio->lock, flags);

- is_input = gpio->dir_in[GPIO_BANK(offset)] & GPIO_BIT(offset);
- reg = is_input ? reg_val : reg_rdata;
+ reg = aspeed_sgpio_is_input(offset) ? reg_val : reg_rdata;
rc = !!(ioread32(bank_reg(gpio, bank, reg)) & GPIO_BIT(offset));

spin_unlock_irqrestore(&gpio->lock, flags);
@@ -143,22 +191,31 @@ static int aspeed_sgpio_get(struct gpio_chip *gc, unsigned int offset)
return rc;
}

-static void sgpio_set_value(struct gpio_chip *gc, unsigned int offset, int val)
+static int sgpio_set_value(struct gpio_chip *gc, unsigned int offset, int val)
{
struct aspeed_sgpio *gpio = gpiochip_get_data(gc);
const struct aspeed_sgpio_bank *bank = to_bank(offset);
- void __iomem *addr;
+ void __iomem *addr_r, *addr_w;
u32 reg = 0;

- addr = bank_reg(gpio, bank, reg_val);
- reg = ioread32(addr);
+ if (aspeed_sgpio_is_input(offset))
+ return -EINVAL;
+
+ /* Since this is an output, read the cached value from rdata, then
+ * update val. */
+ addr_r = bank_reg(gpio, bank, reg_rdata);
+ addr_w = bank_reg(gpio, bank, reg_val);
+
+ reg = ioread32(addr_r);

if (val)
reg |= GPIO_BIT(offset);
else
reg &= ~GPIO_BIT(offset);

- iowrite32(reg, addr);
+ iowrite32(reg, addr_w);
+
+ return 0;
}

static void aspeed_sgpio_set(struct gpio_chip *gc, unsigned int offset, int val)
@@ -175,43 +232,28 @@ static void aspeed_sgpio_set(struct gpio_chip *gc, unsigned int offset, int val)

static int aspeed_sgpio_dir_in(struct gpio_chip *gc, unsigned int offset)
{
- struct aspeed_sgpio *gpio = gpiochip_get_data(gc);
- unsigned long flags;
-
- spin_lock_irqsave(&gpio->lock, flags);
- gpio->dir_in[GPIO_BANK(offset)] |= GPIO_BIT(offset);
- spin_unlock_irqrestore(&gpio->lock, flags);
-
- return 0;
+ return aspeed_sgpio_is_input(offset) ? 0 : -EINVAL;
}

static int aspeed_sgpio_dir_out(struct gpio_chip *gc, unsigned int offset, int val)
{
struct aspeed_sgpio *gpio = gpiochip_get_data(gc);
unsigned long flags;
+ int rc;

- spin_lock_irqsave(&gpio->lock, flags);
-
- gpio->dir_in[GPIO_BANK(offset)] &= ~GPIO_BIT(offset);
- sgpio_set_value(gc, offset, val);
+ /* No special action is required for setting the direction; we'll
+ * error-out in sgpio_set_value if this isn't an output GPIO */

+ spin_lock_irqsave(&gpio->lock, flags);
+ rc = sgpio_set_value(gc, offset, val);
spin_unlock_irqrestore(&gpio->lock, flags);

- return 0;
+ return rc;
}

static int aspeed_sgpio_get_direction(struct gpio_chip *gc, unsigned int offset)
{
- int dir_status;
- struct aspeed_sgpio *gpio = gpiochip_get_data(gc);
- unsigned long flags;
-
- spin_lock_irqsave(&gpio->lock, flags);
- dir_status = gpio->dir_in[GPIO_BANK(offset)] & GPIO_BIT(offset);
- spin_unlock_irqrestore(&gpio->lock, flags);
-
- return dir_status;
-
+ return !!aspeed_sgpio_is_input(offset);
}

static void irqd_to_aspeed_sgpio_data(struct irq_data *d,
@@ -402,6 +444,7 @@ static int aspeed_sgpio_setup_irqs(struct aspeed_sgpio *gpio,

irq = &gpio->chip.irq;
irq->chip = &aspeed_sgpio_irqchip;
+ irq->init_valid_mask = aspeed_sgpio_irq_init_valid_mask;
irq->handler = handle_bad_irq;
irq->default_type = IRQ_TYPE_NONE;
irq->parent_handler = aspeed_sgpio_irq_handler;
@@ -409,17 +452,15 @@ static int aspeed_sgpio_setup_irqs(struct aspeed_sgpio *gpio,
irq->parents = &gpio->irq;
irq->num_parents = 1;

- /* set IRQ settings and Enable Interrupt */
+ /* Apply default IRQ settings */
for (i = 0; i < ARRAY_SIZE(aspeed_sgpio_banks); i++) {
bank = &aspeed_sgpio_banks[i];
/* set falling or level-low irq */
iowrite32(0x00000000, bank_reg(gpio, bank, reg_irq_type0));
/* trigger type is edge */
iowrite32(0x00000000, bank_reg(gpio, bank, reg_irq_type1));
- /* dual edge trigger mode. */
- iowrite32(0xffffffff, bank_reg(gpio, bank, reg_irq_type2));
- /* enable irq */
- iowrite32(0xffffffff, bank_reg(gpio, bank, reg_irq_enable));
+ /* single edge trigger */
+ iowrite32(0x00000000, bank_reg(gpio, bank, reg_irq_type2));
}

return 0;
@@ -452,11 +493,12 @@ static int __init aspeed_sgpio_probe(struct platform_device *pdev)
if (rc < 0) {
dev_err(&pdev->dev, "Could not read ngpios property\n");
return -EINVAL;
- } else if (nr_gpios > MAX_NR_SGPIO) {
+ } else if (nr_gpios > MAX_NR_HW_SGPIO) {
dev_err(&pdev->dev, "Number of GPIOs exceeds the maximum of %d: %d\n",
- MAX_NR_SGPIO, nr_gpios);
+ MAX_NR_HW_SGPIO, nr_gpios);
return -EINVAL;
}
+ gpio->n_sgpio = nr_gpios;

rc = of_property_read_u32(pdev->dev.of_node, "bus-frequency", &sgpio_freq);
if (rc < 0) {
@@ -497,7 +539,8 @@ static int __init aspeed_sgpio_probe(struct platform_device *pdev)
spin_lock_init(&gpio->lock);

gpio->chip.parent = &pdev->dev;
- gpio->chip.ngpio = nr_gpios;
+ gpio->chip.ngpio = MAX_NR_HW_SGPIO * 2;
+ gpio->chip.init_valid_mask = aspeed_sgpio_init_valid_mask;
gpio->chip.direction_input = aspeed_sgpio_dir_in;
gpio->chip.direction_output = aspeed_sgpio_dir_out;
gpio->chip.get_direction = aspeed_sgpio_get_direction;
@@ -509,9 +552,6 @@ static int __init aspeed_sgpio_probe(struct platform_device *pdev)
gpio->chip.label = dev_name(&pdev->dev);
gpio->chip.base = -1;

- /* set all SGPIO pins as input (1). */
- memset(gpio->dir_in, 0xff, sizeof(gpio->dir_in));
-
aspeed_sgpio_setup_irqs(gpio, pdev);

rc = devm_gpiochip_add_data(&pdev->dev, &gpio->chip, gpio);
diff --git a/drivers/gpio/gpio-aspeed.c b/drivers/gpio/gpio-aspeed.c
index 879db23d8454..d07bf2c3f136 100644
--- a/drivers/gpio/gpio-aspeed.c
+++ b/drivers/gpio/gpio-aspeed.c
@@ -1114,8 +1114,8 @@ static const struct aspeed_gpio_config ast2500_config =

static const struct aspeed_bank_props ast2600_bank_props[] = {
/* input output */
- {5, 0xffffffff, 0x0000ffff}, /* U/V/W/X */
- {6, 0xffff0000, 0x0fff0000}, /* Y/Z */
+ {5, 0xffffffff, 0xffffff00}, /* U/V/W/X */
+ {6, 0x0000ffff, 0x0000ffff}, /* Y/Z */
{ },
};

diff --git a/drivers/gpio/gpio-mockup.c b/drivers/gpio/gpio-mockup.c
index bc345185db26..1652897fdf90 100644
--- a/drivers/gpio/gpio-mockup.c
+++ b/drivers/gpio/gpio-mockup.c
@@ -552,6 +552,7 @@ static int __init gpio_mockup_init(void)
err = platform_driver_register(&gpio_mockup_driver);
if (err) {
gpio_mockup_err("error registering platform driver\n");
+ debugfs_remove_recursive(gpio_mockup_dbg_dir);
return err;
}

@@ -582,6 +583,7 @@ static int __init gpio_mockup_init(void)
gpio_mockup_err("error registering device");
platform_driver_unregister(&gpio_mockup_driver);
gpio_mockup_unregister_pdevs();
+ debugfs_remove_recursive(gpio_mockup_dbg_dir);
return PTR_ERR(pdev);
}

diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c
index a3b9bdedbe44..11c3bbd105f1 100644
--- a/drivers/gpio/gpio-pca953x.c
+++ b/drivers/gpio/gpio-pca953x.c
@@ -813,7 +813,7 @@ static irqreturn_t pca953x_irq_handler(int irq, void *devid)
{
struct pca953x_chip *chip = devid;
struct gpio_chip *gc = &chip->gpio_chip;
- DECLARE_BITMAP(pending, MAX_LINE);
+ DECLARE_BITMAP(pending, MAX_LINE) = {};
int level;
bool ret;

@@ -938,6 +938,7 @@ static int device_pca95xx_init(struct pca953x_chip *chip, u32 invert)
static int device_pca957x_init(struct pca953x_chip *chip, u32 invert)
{
DECLARE_BITMAP(val, MAX_LINE);
+ unsigned int i;
int ret;

ret = device_pca95xx_init(chip, invert);
@@ -945,7 +946,9 @@ static int device_pca957x_init(struct pca953x_chip *chip, u32 invert)
goto out;

/* To enable register 6, 7 to control pull up and pull down */
- memset(val, 0x02, NBANK(chip));
+ for (i = 0; i < NBANK(chip); i++)
+ bitmap_set_value8(val, 0x02, i * BANK_SZ);
+
ret = pca953x_write_regs(chip, PCA957X_BKEN, val);
if (ret)
goto out;
diff --git a/drivers/gpio/gpio-siox.c b/drivers/gpio/gpio-siox.c
index 26e1fe092304..f8c5e9fc4bac 100644
--- a/drivers/gpio/gpio-siox.c
+++ b/drivers/gpio/gpio-siox.c
@@ -245,6 +245,7 @@ static int gpio_siox_probe(struct siox_device *sdevice)
girq->chip = &ddata->ichip;
girq->default_type = IRQ_TYPE_NONE;
girq->handler = handle_level_irq;
+ girq->threaded = true;

ret = devm_gpiochip_add_data(dev, &ddata->gchip, NULL);
if (ret)
diff --git a/drivers/gpio/gpio-sprd.c b/drivers/gpio/gpio-sprd.c
index d7314d39ab65..36ea8a3bd451 100644
--- a/drivers/gpio/gpio-sprd.c
+++ b/drivers/gpio/gpio-sprd.c
@@ -149,17 +149,20 @@ static int sprd_gpio_irq_set_type(struct irq_data *data,
sprd_gpio_update(chip, offset, SPRD_GPIO_IS, 0);
sprd_gpio_update(chip, offset, SPRD_GPIO_IBE, 0);
sprd_gpio_update(chip, offset, SPRD_GPIO_IEV, 1);
+ sprd_gpio_update(chip, offset, SPRD_GPIO_IC, 1);
irq_set_handler_locked(data, handle_edge_irq);
break;
case IRQ_TYPE_EDGE_FALLING:
sprd_gpio_update(chip, offset, SPRD_GPIO_IS, 0);
sprd_gpio_update(chip, offset, SPRD_GPIO_IBE, 0);
sprd_gpio_update(chip, offset, SPRD_GPIO_IEV, 0);
+ sprd_gpio_update(chip, offset, SPRD_GPIO_IC, 1);
irq_set_handler_locked(data, handle_edge_irq);
break;
case IRQ_TYPE_EDGE_BOTH:
sprd_gpio_update(chip, offset, SPRD_GPIO_IS, 0);
sprd_gpio_update(chip, offset, SPRD_GPIO_IBE, 1);
+ sprd_gpio_update(chip, offset, SPRD_GPIO_IC, 1);
irq_set_handler_locked(data, handle_edge_irq);
break;
case IRQ_TYPE_LEVEL_HIGH:
diff --git a/drivers/gpio/gpio-tc3589x.c b/drivers/gpio/gpio-tc3589x.c
index 6be0684cfa49..a70bc7128105 100644
--- a/drivers/gpio/gpio-tc3589x.c
+++ b/drivers/gpio/gpio-tc3589x.c
@@ -212,7 +212,7 @@ static void tc3589x_gpio_irq_sync_unlock(struct irq_data *d)
continue;

tc3589x_gpio->oldregs[i][j] = new;
- tc3589x_reg_write(tc3589x, regmap[i] + j * 8, new);
+ tc3589x_reg_write(tc3589x, regmap[i] + j, new);
}
}

diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 4fa075d49fbc..6e813b13d698 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -836,6 +836,21 @@ static __poll_t lineevent_poll(struct file *filep,
return events;
}

+static ssize_t lineevent_get_size(void)
+{
+#ifdef __x86_64__
+ /* i386 has no padding after 'id' */
+ if (in_ia32_syscall()) {
+ struct compat_gpioeevent_data {
+ compat_u64 timestamp;
+ u32 id;
+ };
+
+ return sizeof(struct compat_gpioeevent_data);
+ }
+#endif
+ return sizeof(struct gpioevent_data);
+}

static ssize_t lineevent_read(struct file *filep,
char __user *buf,
@@ -845,9 +860,20 @@ static ssize_t lineevent_read(struct file *filep,
struct lineevent_state *le = filep->private_data;
struct gpioevent_data ge;
ssize_t bytes_read = 0;
+ ssize_t ge_size;
int ret;

- if (count < sizeof(ge))
+ /*
+ * When compatible system call is being used the struct gpioevent_data,
+ * in case of at least ia32, has different size due to the alignment
+ * differences. Because we have first member 64 bits followed by one of
+ * 32 bits there is no gap between them. The only difference is the
+ * padding at the end of the data structure. Hence, we calculate the
+ * actual sizeof() and pass this as an argument to copy_to_user() to
+ * drop unneeded bytes from the output.
+ */
+ ge_size = lineevent_get_size();
+ if (count < ge_size)
return -EINVAL;

do {
@@ -883,10 +909,10 @@ static ssize_t lineevent_read(struct file *filep,
break;
}

- if (copy_to_user(buf + bytes_read, &ge, sizeof(ge)))
+ if (copy_to_user(buf + bytes_read, &ge, ge_size))
return -EFAULT;
- bytes_read += sizeof(ge);
- } while (count >= bytes_read + sizeof(ge));
+ bytes_read += ge_size;
+ } while (count >= bytes_read + ge_size);

return bytes_read;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
index 5e51f0acf744..f05fecbec0a8 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
@@ -297,7 +297,7 @@ int amdgpu_display_crtc_set_config(struct drm_mode_set *set,
take the current one */
if (active && !adev->have_disp_power_ref) {
adev->have_disp_power_ref = true;
- goto out;
+ return ret;
}
/* if we have no active crtcs, then drop the power ref
we got before */
diff --git a/drivers/gpu/drm/i915/gvt/vgpu.c b/drivers/gpu/drm/i915/gvt/vgpu.c
index 7d361623ff67..041f601b07d0 100644
--- a/drivers/gpu/drm/i915/gvt/vgpu.c
+++ b/drivers/gpu/drm/i915/gvt/vgpu.c
@@ -367,6 +367,7 @@ void intel_gvt_destroy_idle_vgpu(struct intel_vgpu *vgpu)
static struct intel_vgpu *__intel_gvt_create_vgpu(struct intel_gvt *gvt,
struct intel_vgpu_creation_params *param)
{
+ struct drm_i915_private *dev_priv = gvt->gt->i915;
struct intel_vgpu *vgpu;
int ret;

@@ -434,7 +435,10 @@ static struct intel_vgpu *__intel_gvt_create_vgpu(struct intel_gvt *gvt,
if (ret)
goto out_clean_sched_policy;

- ret = intel_gvt_hypervisor_set_edid(vgpu, PORT_D);
+ if (IS_BROADWELL(dev_priv))
+ ret = intel_gvt_hypervisor_set_edid(vgpu, PORT_B);
+ else
+ ret = intel_gvt_hypervisor_set_edid(vgpu, PORT_D);
if (ret)
goto out_clean_sched_policy;

diff --git a/drivers/gpu/drm/sun4i/sun8i_mixer.c b/drivers/gpu/drm/sun4i/sun8i_mixer.c
index cc4fb916318f..c3304028e3dc 100644
--- a/drivers/gpu/drm/sun4i/sun8i_mixer.c
+++ b/drivers/gpu/drm/sun4i/sun8i_mixer.c
@@ -307,7 +307,7 @@ static struct regmap_config sun8i_mixer_regmap_config = {
.reg_bits = 32,
.val_bits = 32,
.reg_stride = 4,
- .max_register = 0xbfffc, /* guessed */
+ .max_register = 0xffffc, /* guessed */
};

static int sun8i_mixer_of_get_id(struct device_node *node)
diff --git a/drivers/i2c/busses/i2c-cpm.c b/drivers/i2c/busses/i2c-cpm.c
index 1213e1932ccb..24d584a1c9a7 100644
--- a/drivers/i2c/busses/i2c-cpm.c
+++ b/drivers/i2c/busses/i2c-cpm.c
@@ -65,6 +65,9 @@ struct i2c_ram {
char res1[4]; /* Reserved */
ushort rpbase; /* Relocation pointer */
char res2[2]; /* Reserved */
+ /* The following elements are only for CPM2 */
+ char res3[4]; /* Reserved */
+ uint sdmatmp; /* Internal */
};

#define I2COM_START 0x80
diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c
index 3843eabeddda..6126290e4d65 100644
--- a/drivers/i2c/busses/i2c-i801.c
+++ b/drivers/i2c/busses/i2c-i801.c
@@ -1913,6 +1913,7 @@ static int i801_probe(struct pci_dev *dev, const struct pci_device_id *id)

pci_set_drvdata(dev, priv);

+ dev_pm_set_driver_flags(&dev->dev, DPM_FLAG_NO_DIRECT_COMPLETE);
pm_runtime_set_autosuspend_delay(&dev->dev, 1000);
pm_runtime_use_autosuspend(&dev->dev);
pm_runtime_put_autosuspend(&dev->dev);
diff --git a/drivers/i2c/busses/i2c-npcm7xx.c b/drivers/i2c/busses/i2c-npcm7xx.c
index dfcf04e1967f..2ad166355ec9 100644
--- a/drivers/i2c/busses/i2c-npcm7xx.c
+++ b/drivers/i2c/busses/i2c-npcm7xx.c
@@ -2163,6 +2163,15 @@ static int npcm_i2c_master_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs,
if (bus->cmd_err == -EAGAIN)
ret = i2c_recover_bus(adap);

+ /*
+ * After any type of error, check if LAST bit is still set,
+ * due to a HW issue.
+ * It cannot be cleared without resetting the module.
+ */
+ if (bus->cmd_err &&
+ (NPCM_I2CRXF_CTL_LAST_PEC & ioread8(bus->reg + NPCM_I2CRXF_CTL)))
+ npcm_i2c_reset(bus);
+
#if IS_ENABLED(CONFIG_I2C_SLAVE)
/* reenable slave if it was enabled */
if (bus->slave)
diff --git a/drivers/iio/adc/qcom-spmi-adc5.c b/drivers/iio/adc/qcom-spmi-adc5.c
index 21fdcde77883..56e7696aa3c0 100644
--- a/drivers/iio/adc/qcom-spmi-adc5.c
+++ b/drivers/iio/adc/qcom-spmi-adc5.c
@@ -786,7 +786,7 @@ static int adc5_probe(struct platform_device *pdev)

static struct platform_driver adc5_driver = {
.driver = {
- .name = "qcom-spmi-adc5.c",
+ .name = "qcom-spmi-adc5",
.of_match_table = adc5_match_table,
},
.probe = adc5_probe,
diff --git a/drivers/input/mouse/trackpoint.c b/drivers/input/mouse/trackpoint.c
index 854d5e758724..ef2fa0905208 100644
--- a/drivers/input/mouse/trackpoint.c
+++ b/drivers/input/mouse/trackpoint.c
@@ -282,6 +282,8 @@ static int trackpoint_start_protocol(struct psmouse *psmouse,
case TP_VARIANT_ALPS:
case TP_VARIANT_ELAN:
case TP_VARIANT_NXP:
+ case TP_VARIANT_JYT_SYNAPTICS:
+ case TP_VARIANT_SYNAPTICS:
if (variant_id)
*variant_id = param[0];
if (firmware_id)
diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h
index 37fb9aa88f9c..a4c9b9652560 100644
--- a/drivers/input/serio/i8042-x86ia64io.h
+++ b/drivers/input/serio/i8042-x86ia64io.h
@@ -721,6 +721,13 @@ static const struct dmi_system_id __initconst i8042_dmi_nopnp_table[] = {
DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"),
},
},
+ {
+ /* Acer Aspire 5 A515 */
+ .matches = {
+ DMI_MATCH(DMI_BOARD_NAME, "Grumpy_PK"),
+ DMI_MATCH(DMI_BOARD_VENDOR, "PK"),
+ },
+ },
{ }
};

diff --git a/drivers/iommu/amd/init.c b/drivers/iommu/amd/init.c
index bf45f8e2c7ed..016e35d3d6c8 100644
--- a/drivers/iommu/amd/init.c
+++ b/drivers/iommu/amd/init.c
@@ -1110,25 +1110,6 @@ static int __init add_early_maps(void)
return 0;
}

-/*
- * Reads the device exclusion range from ACPI and initializes the IOMMU with
- * it
- */
-static void __init set_device_exclusion_range(u16 devid, struct ivmd_header *m)
-{
- if (!(m->flags & IVMD_FLAG_EXCL_RANGE))
- return;
-
- /*
- * Treat per-device exclusion ranges as r/w unity-mapped regions
- * since some buggy BIOSes might lead to the overwritten exclusion
- * range (exclusion_start and exclusion_length members). This
- * happens when there are multiple exclusion ranges (IVMD entries)
- * defined in ACPI table.
- */
- m->flags = (IVMD_FLAG_IW | IVMD_FLAG_IR | IVMD_FLAG_UNITY_MAP);
-}
-
/*
* Takes a pointer to an AMD IOMMU entry in the ACPI table and
* initializes the hardware and our data structures with it.
@@ -2080,30 +2061,6 @@ static void __init free_unity_maps(void)
}
}

-/* called when we find an exclusion range definition in ACPI */
-static int __init init_exclusion_range(struct ivmd_header *m)
-{
- int i;
-
- switch (m->type) {
- case ACPI_IVMD_TYPE:
- set_device_exclusion_range(m->devid, m);
- break;
- case ACPI_IVMD_TYPE_ALL:
- for (i = 0; i <= amd_iommu_last_bdf; ++i)
- set_device_exclusion_range(i, m);
- break;
- case ACPI_IVMD_TYPE_RANGE:
- for (i = m->devid; i <= m->aux; ++i)
- set_device_exclusion_range(i, m);
- break;
- default:
- break;
- }
-
- return 0;
-}
-
/* called for unity map ACPI definition */
static int __init init_unity_map_range(struct ivmd_header *m)
{
@@ -2114,9 +2071,6 @@ static int __init init_unity_map_range(struct ivmd_header *m)
if (e == NULL)
return -ENOMEM;

- if (m->flags & IVMD_FLAG_EXCL_RANGE)
- init_exclusion_range(m);
-
switch (m->type) {
default:
kfree(e);
@@ -2140,6 +2094,16 @@ static int __init init_unity_map_range(struct ivmd_header *m)
e->address_end = e->address_start + PAGE_ALIGN(m->range_length);
e->prot = m->flags >> 1;

+ /*
+ * Treat per-device exclusion ranges as r/w unity-mapped regions
+ * since some buggy BIOSes might lead to the overwritten exclusion
+ * range (exclusion_start and exclusion_length members). This
+ * happens when there are multiple exclusion ranges (IVMD entries)
+ * defined in ACPI table.
+ */
+ if (m->flags & IVMD_FLAG_EXCL_RANGE)
+ e->prot = (IVMD_FLAG_IW | IVMD_FLAG_IR) >> 1;
+
DUMP_printk("%s devid_start: %02x:%02x.%x devid_end: %02x:%02x.%x"
" range_start: %016llx range_end: %016llx flags: %x\n", s,
PCI_BUS_NUM(e->devid_start), PCI_SLOT(e->devid_start),
diff --git a/drivers/iommu/exynos-iommu.c b/drivers/iommu/exynos-iommu.c
index 60c8a56e4a3f..89f628da148a 100644
--- a/drivers/iommu/exynos-iommu.c
+++ b/drivers/iommu/exynos-iommu.c
@@ -1295,13 +1295,17 @@ static int exynos_iommu_of_xlate(struct device *dev,
return -ENODEV;

data = platform_get_drvdata(sysmmu);
- if (!data)
+ if (!data) {
+ put_device(&sysmmu->dev);
return -ENODEV;
+ }

if (!owner) {
owner = kzalloc(sizeof(*owner), GFP_KERNEL);
- if (!owner)
+ if (!owner) {
+ put_device(&sysmmu->dev);
return -ENOMEM;
+ }

INIT_LIST_HEAD(&owner->controllers);
mutex_init(&owner->rpm_lock);
diff --git a/drivers/memstick/core/memstick.c b/drivers/memstick/core/memstick.c
index 693ee73eb291..ef03d6fafc5c 100644
--- a/drivers/memstick/core/memstick.c
+++ b/drivers/memstick/core/memstick.c
@@ -441,6 +441,9 @@ static void memstick_check(struct work_struct *work)
} else if (host->card->stop)
host->card->stop(host->card);

+ if (host->removing)
+ goto out_power_off;
+
card = memstick_alloc_card(host);

if (!card) {
@@ -545,6 +548,7 @@ EXPORT_SYMBOL(memstick_add_host);
*/
void memstick_remove_host(struct memstick_host *host)
{
+ host->removing = 1;
flush_workqueue(workqueue);
mutex_lock(&host->lock);
if (host->card)
diff --git a/drivers/mmc/host/sdhci-pci-core.c b/drivers/mmc/host/sdhci-pci-core.c
index af413805bbf1..914f5184295f 100644
--- a/drivers/mmc/host/sdhci-pci-core.c
+++ b/drivers/mmc/host/sdhci-pci-core.c
@@ -794,7 +794,8 @@ static int byt_emmc_probe_slot(struct sdhci_pci_slot *slot)
static bool glk_broken_cqhci(struct sdhci_pci_slot *slot)
{
return slot->chip->pdev->device == PCI_DEVICE_ID_INTEL_GLK_EMMC &&
- dmi_match(DMI_BIOS_VENDOR, "LENOVO");
+ (dmi_match(DMI_BIOS_VENDOR, "LENOVO") ||
+ dmi_match(DMI_SYS_VENDOR, "IRBIS"));
}

static int glk_emmc_probe_slot(struct sdhci_pci_slot *slot)
diff --git a/drivers/net/dsa/ocelot/felix_vsc9959.c b/drivers/net/dsa/ocelot/felix_vsc9959.c
index 1dd9e348152d..7c167a394b76 100644
--- a/drivers/net/dsa/ocelot/felix_vsc9959.c
+++ b/drivers/net/dsa/ocelot/felix_vsc9959.c
@@ -607,17 +607,17 @@ struct vcap_field vsc9959_vcap_is2_keys[] = {
[VCAP_IS2_HK_DIP_EQ_SIP] = {118, 1},
/* IP4_TCP_UDP (TYPE=100) */
[VCAP_IS2_HK_TCP] = {119, 1},
- [VCAP_IS2_HK_L4_SPORT] = {120, 16},
- [VCAP_IS2_HK_L4_DPORT] = {136, 16},
+ [VCAP_IS2_HK_L4_DPORT] = {120, 16},
+ [VCAP_IS2_HK_L4_SPORT] = {136, 16},
[VCAP_IS2_HK_L4_RNG] = {152, 8},
[VCAP_IS2_HK_L4_SPORT_EQ_DPORT] = {160, 1},
[VCAP_IS2_HK_L4_SEQUENCE_EQ0] = {161, 1},
- [VCAP_IS2_HK_L4_URG] = {162, 1},
- [VCAP_IS2_HK_L4_ACK] = {163, 1},
- [VCAP_IS2_HK_L4_PSH] = {164, 1},
- [VCAP_IS2_HK_L4_RST] = {165, 1},
- [VCAP_IS2_HK_L4_SYN] = {166, 1},
- [VCAP_IS2_HK_L4_FIN] = {167, 1},
+ [VCAP_IS2_HK_L4_FIN] = {162, 1},
+ [VCAP_IS2_HK_L4_SYN] = {163, 1},
+ [VCAP_IS2_HK_L4_RST] = {164, 1},
+ [VCAP_IS2_HK_L4_PSH] = {165, 1},
+ [VCAP_IS2_HK_L4_ACK] = {166, 1},
+ [VCAP_IS2_HK_L4_URG] = {167, 1},
[VCAP_IS2_HK_L4_1588_DOM] = {168, 8},
[VCAP_IS2_HK_L4_1588_VER] = {176, 4},
/* IP4_OTHER (TYPE=101) */
diff --git a/drivers/net/ethernet/dec/tulip/de2104x.c b/drivers/net/ethernet/dec/tulip/de2104x.c
index 592454f444ce..0b30011b9839 100644
--- a/drivers/net/ethernet/dec/tulip/de2104x.c
+++ b/drivers/net/ethernet/dec/tulip/de2104x.c
@@ -85,7 +85,7 @@ MODULE_PARM_DESC (rx_copybreak, "de2104x Breakpoint at which Rx packets are copi
#define DSL CONFIG_DE2104X_DSL
#endif

-#define DE_RX_RING_SIZE 64
+#define DE_RX_RING_SIZE 128
#define DE_TX_RING_SIZE 64
#define DE_RING_BYTES \
((sizeof(struct de_desc) * DE_RX_RING_SIZE) + \
diff --git a/drivers/net/hyperv/hyperv_net.h b/drivers/net/hyperv/hyperv_net.h
index abda736e7c7d..a4d2dd2637e2 100644
--- a/drivers/net/hyperv/hyperv_net.h
+++ b/drivers/net/hyperv/hyperv_net.h
@@ -973,6 +973,9 @@ struct net_device_context {
/* Serial number of the VF to team with */
u32 vf_serial;

+ /* Is the current data path through the VF NIC? */
+ bool data_path_is_vf;
+
/* Used to temporarily save the config info across hibernation */
struct netvsc_device_info *saved_netvsc_dev_info;
};
diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c
index a2db5ef3b62a..3b0dc1f0ef21 100644
--- a/drivers/net/hyperv/netvsc_drv.c
+++ b/drivers/net/hyperv/netvsc_drv.c
@@ -2323,7 +2323,16 @@ static int netvsc_register_vf(struct net_device *vf_netdev)
return NOTIFY_OK;
}

-/* VF up/down change detected, schedule to change data path */
+/* Change the data path when VF UP/DOWN/CHANGE are detected.
+ *
+ * Typically a UP or DOWN event is followed by a CHANGE event, so
+ * net_device_ctx->data_path_is_vf is used to cache the current data path
+ * to avoid the duplicate call of netvsc_switch_datapath() and the duplicate
+ * message.
+ *
+ * During hibernation, if a VF NIC driver (e.g. mlx5) preserves the network
+ * interface, there is only the CHANGE event and no UP or DOWN event.
+ */
static int netvsc_vf_changed(struct net_device *vf_netdev)
{
struct net_device_context *net_device_ctx;
@@ -2340,6 +2349,10 @@ static int netvsc_vf_changed(struct net_device *vf_netdev)
if (!netvsc_dev)
return NOTIFY_DONE;

+ if (net_device_ctx->data_path_is_vf == vf_is_up)
+ return NOTIFY_OK;
+ net_device_ctx->data_path_is_vf = vf_is_up;
+
netvsc_switch_datapath(ndev, vf_is_up);
netdev_info(ndev, "Data path switched %s VF: %s\n",
vf_is_up ? "to" : "from", vf_netdev->name);
@@ -2581,6 +2594,12 @@ static int netvsc_resume(struct hv_device *dev)
rtnl_lock();

net_device_ctx = netdev_priv(net);
+
+ /* Reset the data path to the netvsc NIC before re-opening the vmbus
+ * channel. Later netvsc_netdev_event() will switch the data path to
+ * the VF upon the UP or CHANGE event.
+ */
+ net_device_ctx->data_path_is_vf = false;
device_info = net_device_ctx->saved_netvsc_dev_info;

ret = netvsc_attach(net, device_info);
diff --git a/drivers/net/usb/rndis_host.c b/drivers/net/usb/rndis_host.c
index bd9c07888ebb..6fa7a009a24a 100644
--- a/drivers/net/usb/rndis_host.c
+++ b/drivers/net/usb/rndis_host.c
@@ -201,7 +201,7 @@ int rndis_command(struct usbnet *dev, struct rndis_msg_hdr *buf, int buflen)
dev_dbg(&info->control->dev,
"rndis response error, code %d\n", retval);
}
- msleep(20);
+ msleep(40);
}
dev_dbg(&info->control->dev, "rndis response timeout\n");
return -ETIMEDOUT;
diff --git a/drivers/net/wan/hdlc_cisco.c b/drivers/net/wan/hdlc_cisco.c
index 444130655d8e..cb5898f7d68c 100644
--- a/drivers/net/wan/hdlc_cisco.c
+++ b/drivers/net/wan/hdlc_cisco.c
@@ -118,6 +118,7 @@ static void cisco_keepalive_send(struct net_device *dev, u32 type,
skb_put(skb, sizeof(struct cisco_packet));
skb->priority = TC_PRIO_CONTROL;
skb->dev = dev;
+ skb->protocol = htons(ETH_P_HDLC);
skb_reset_network_header(skb);

dev_queue_xmit(skb);
diff --git a/drivers/net/wan/hdlc_fr.c b/drivers/net/wan/hdlc_fr.c
index 9acad651ea1f..d6cfd51613ed 100644
--- a/drivers/net/wan/hdlc_fr.c
+++ b/drivers/net/wan/hdlc_fr.c
@@ -433,6 +433,8 @@ static netdev_tx_t pvc_xmit(struct sk_buff *skb, struct net_device *dev)
if (pvc->state.fecn) /* TX Congestion counter */
dev->stats.tx_compressed++;
skb->dev = pvc->frad;
+ skb->protocol = htons(ETH_P_HDLC);
+ skb_reset_network_header(skb);
dev_queue_xmit(skb);
return NETDEV_TX_OK;
}
@@ -555,6 +557,7 @@ static void fr_lmi_send(struct net_device *dev, int fullrep)
skb_put(skb, i);
skb->priority = TC_PRIO_CONTROL;
skb->dev = dev;
+ skb->protocol = htons(ETH_P_HDLC);
skb_reset_network_header(skb);

dev_queue_xmit(skb);
@@ -1041,7 +1044,7 @@ static void pvc_setup(struct net_device *dev)
{
dev->type = ARPHRD_DLCI;
dev->flags = IFF_POINTOPOINT;
- dev->hard_header_len = 10;
+ dev->hard_header_len = 0;
dev->addr_len = 2;
netif_keep_dst(dev);
}
@@ -1093,6 +1096,7 @@ static int fr_add_pvc(struct net_device *frad, unsigned int dlci, int type)
dev->mtu = HDLC_MAX_MTU;
dev->min_mtu = 68;
dev->max_mtu = HDLC_MAX_MTU;
+ dev->needed_headroom = 10;
dev->priv_flags |= IFF_NO_QUEUE;
dev->ml_priv = pvc;

diff --git a/drivers/net/wan/hdlc_ppp.c b/drivers/net/wan/hdlc_ppp.c
index 16f33d1ffbfb..64f855651336 100644
--- a/drivers/net/wan/hdlc_ppp.c
+++ b/drivers/net/wan/hdlc_ppp.c
@@ -251,6 +251,7 @@ static void ppp_tx_cp(struct net_device *dev, u16 pid, u8 code,

skb->priority = TC_PRIO_CONTROL;
skb->dev = dev;
+ skb->protocol = htons(ETH_P_HDLC);
skb_reset_network_header(skb);
skb_queue_tail(&tx_queue, skb);
}
diff --git a/drivers/net/wan/lapbether.c b/drivers/net/wan/lapbether.c
index e61616b0b91c..b726101d4707 100644
--- a/drivers/net/wan/lapbether.c
+++ b/drivers/net/wan/lapbether.c
@@ -198,8 +198,6 @@ static void lapbeth_data_transmit(struct net_device *ndev, struct sk_buff *skb)
struct net_device *dev;
int size = skb->len;

- skb->protocol = htons(ETH_P_X25);
-
ptr = skb_push(skb, 2);

*ptr++ = size % 256;
@@ -210,6 +208,8 @@ static void lapbeth_data_transmit(struct net_device *ndev, struct sk_buff *skb)

skb->dev = dev = lapbeth->ethdev;

+ skb->protocol = htons(ETH_P_DEC);
+
skb_reset_network_header(skb);

dev_hard_header(skb, dev, ETH_P_DEC, bcast_addr, NULL, 0);
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/init.c b/drivers/net/wireless/mediatek/mt76/mt7915/init.c
index aadf56e80bae..d7a3b05ab50c 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/init.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/init.c
@@ -691,8 +691,12 @@ void mt7915_unregister_device(struct mt7915_dev *dev)
spin_lock_bh(&dev->token_lock);
idr_for_each_entry(&dev->token, txwi, id) {
mt7915_txp_skb_unmap(&dev->mt76, txwi);
- if (txwi->skb)
- dev_kfree_skb_any(txwi->skb);
+ if (txwi->skb) {
+ struct ieee80211_hw *hw;
+
+ hw = mt76_tx_status_get_hw(&dev->mt76, txwi->skb);
+ ieee80211_free_txskb(hw, txwi->skb);
+ }
mt76_put_txwi(&dev->mt76, txwi);
}
spin_unlock_bh(&dev->token_lock);
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c
index a264e304a3df..5800b2d1fb23 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c
@@ -844,7 +844,7 @@ mt7915_tx_complete_status(struct mt76_dev *mdev, struct sk_buff *skb,
if (sta || !(info->flags & IEEE80211_TX_CTL_NO_ACK))
mt7915_tx_status(sta, hw, info, NULL);

- dev_kfree_skb(skb);
+ ieee80211_free_txskb(hw, skb);
}

void mt7915_txp_skb_unmap(struct mt76_dev *dev,
diff --git a/drivers/net/wireless/ti/wlcore/cmd.h b/drivers/net/wireless/ti/wlcore/cmd.h
index 9acd8a41ea61..f2609d5b6bf7 100644
--- a/drivers/net/wireless/ti/wlcore/cmd.h
+++ b/drivers/net/wireless/ti/wlcore/cmd.h
@@ -458,7 +458,6 @@ enum wl1271_cmd_key_type {
KEY_TKIP = 2,
KEY_AES = 3,
KEY_GEM = 4,
- KEY_IGTK = 5,
};

struct wl1271_cmd_set_keys {
diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c
index de6c8a7589ca..ef169de99224 100644
--- a/drivers/net/wireless/ti/wlcore/main.c
+++ b/drivers/net/wireless/ti/wlcore/main.c
@@ -3550,9 +3550,6 @@ int wlcore_set_key(struct wl1271 *wl, enum set_key_cmd cmd,
case WL1271_CIPHER_SUITE_GEM:
key_type = KEY_GEM;
break;
- case WLAN_CIPHER_SUITE_AES_CMAC:
- key_type = KEY_IGTK;
- break;
default:
wl1271_error("Unknown key algo 0x%x", key_conf->cipher);

@@ -6222,7 +6219,6 @@ static int wl1271_init_ieee80211(struct wl1271 *wl)
WLAN_CIPHER_SUITE_TKIP,
WLAN_CIPHER_SUITE_CCMP,
WL1271_CIPHER_SUITE_GEM,
- WLAN_CIPHER_SUITE_AES_CMAC,
};

/* The tx descriptor buffer */
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index f2556f0ea20d..69165a8f7c1f 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -3060,10 +3060,24 @@ static int nvme_dev_open(struct inode *inode, struct file *file)
return -EWOULDBLOCK;
}

+ nvme_get_ctrl(ctrl);
+ if (!try_module_get(ctrl->ops->module))
+ return -EINVAL;
+
file->private_data = ctrl;
return 0;
}

+static int nvme_dev_release(struct inode *inode, struct file *file)
+{
+ struct nvme_ctrl *ctrl =
+ container_of(inode->i_cdev, struct nvme_ctrl, cdev);
+
+ module_put(ctrl->ops->module);
+ nvme_put_ctrl(ctrl);
+ return 0;
+}
+
static int nvme_dev_user_cmd(struct nvme_ctrl *ctrl, void __user *argp)
{
struct nvme_ns *ns;
@@ -3126,6 +3140,7 @@ static long nvme_dev_ioctl(struct file *file, unsigned int cmd,
static const struct file_operations nvme_dev_fops = {
.owner = THIS_MODULE,
.open = nvme_dev_open,
+ .release = nvme_dev_release,
.unlocked_ioctl = nvme_dev_ioctl,
.compat_ioctl = compat_ptr_ioctl,
};
diff --git a/drivers/nvme/host/fc.c b/drivers/nvme/host/fc.c
index 92c966ac34c2..43c1745ecd45 100644
--- a/drivers/nvme/host/fc.c
+++ b/drivers/nvme/host/fc.c
@@ -3668,12 +3668,14 @@ nvme_fc_create_ctrl(struct device *dev, struct nvmf_ctrl_options *opts)
spin_lock_irqsave(&nvme_fc_lock, flags);
list_for_each_entry(lport, &nvme_fc_lport_list, port_list) {
if (lport->localport.node_name != laddr.nn ||
- lport->localport.port_name != laddr.pn)
+ lport->localport.port_name != laddr.pn ||
+ lport->localport.port_state != FC_OBJSTATE_ONLINE)
continue;

list_for_each_entry(rport, &lport->endp_list, endp_list) {
if (rport->remoteport.node_name != raddr.nn ||
- rport->remoteport.port_name != raddr.pn)
+ rport->remoteport.port_name != raddr.pn ||
+ rport->remoteport.port_state != FC_OBJSTATE_ONLINE)
continue;

/* if fail to get reference fall through. Will error */
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index 69a19fe24106..cc3ae9c63a01 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -942,13 +942,6 @@ static inline void nvme_handle_cqe(struct nvme_queue *nvmeq, u16 idx)
struct nvme_completion *cqe = &nvmeq->cqes[idx];
struct request *req;

- if (unlikely(cqe->command_id >= nvmeq->q_depth)) {
- dev_warn(nvmeq->dev->ctrl.device,
- "invalid id %d completed on queue %d\n",
- cqe->command_id, le16_to_cpu(cqe->sq_id));
- return;
- }
-
/*
* AEN requests are special as they don't time out and can
* survive any kind of queue freeze and often don't respond to
@@ -962,6 +955,13 @@ static inline void nvme_handle_cqe(struct nvme_queue *nvmeq, u16 idx)
}

req = blk_mq_tag_to_rq(nvme_queue_tagset(nvmeq), cqe->command_id);
+ if (unlikely(!req)) {
+ dev_warn(nvmeq->dev->ctrl.device,
+ "invalid id %d completed on queue %d\n",
+ cqe->command_id, le16_to_cpu(cqe->sq_id));
+ return;
+ }
+
trace_nvme_sq(req, cqe->sq_head, nvmeq->sq_tail);
nvme_end_request(req, cqe->status, cqe->result);
}
@@ -3093,7 +3093,8 @@ static const struct pci_device_id nvme_id_table[] = {
{ PCI_VDEVICE(INTEL, 0xf1a5), /* Intel 600P/P3100 */
.driver_data = NVME_QUIRK_NO_DEEPEST_PS |
NVME_QUIRK_MEDIUM_PRIO_SQ |
- NVME_QUIRK_NO_TEMP_THRESH_CHANGE },
+ NVME_QUIRK_NO_TEMP_THRESH_CHANGE |
+ NVME_QUIRK_DISABLE_WRITE_ZEROES, },
{ PCI_VDEVICE(INTEL, 0xf1a6), /* Intel 760p/Pro 7600p */
.driver_data = NVME_QUIRK_IGNORE_DEV_SUBNQN, },
{ PCI_VDEVICE(INTEL, 0x5845), /* Qemu emulated controller */
diff --git a/drivers/phy/ti/phy-am654-serdes.c b/drivers/phy/ti/phy-am654-serdes.c
index a174b3c3f010..819c49af169a 100644
--- a/drivers/phy/ti/phy-am654-serdes.c
+++ b/drivers/phy/ti/phy-am654-serdes.c
@@ -725,8 +725,10 @@ static int serdes_am654_probe(struct platform_device *pdev)
pm_runtime_enable(dev);

phy = devm_phy_create(dev, NULL, &ops);
- if (IS_ERR(phy))
- return PTR_ERR(phy);
+ if (IS_ERR(phy)) {
+ ret = PTR_ERR(phy);
+ goto clk_err;
+ }

phy_set_drvdata(phy, am654_phy);
phy_provider = devm_of_phy_provider_register(dev, serdes_am654_xlate);
diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c b/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c
index 2f3dfb56c3fa..35bbe5935708 100644
--- a/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c
+++ b/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c
@@ -259,6 +259,10 @@ bool mtk_is_virt_gpio(struct mtk_pinctrl *hw, unsigned int gpio_n)

desc = (const struct mtk_pin_desc *)&hw->soc->pins[gpio_n];

+ /* if the GPIO is not supported for eint mode */
+ if (desc->eint.eint_m == NO_EINT_SUPPORT)
+ return virt_gpio;
+
if (desc->funcs && !desc->funcs[desc->eint.eint_m].name)
virt_gpio = true;

diff --git a/drivers/pinctrl/mvebu/pinctrl-armada-xp.c b/drivers/pinctrl/mvebu/pinctrl-armada-xp.c
index a767a05fa3a0..48e2a6c56a83 100644
--- a/drivers/pinctrl/mvebu/pinctrl-armada-xp.c
+++ b/drivers/pinctrl/mvebu/pinctrl-armada-xp.c
@@ -414,7 +414,7 @@ static struct mvebu_mpp_mode mv98dx3236_mpp_modes[] = {
MPP_VAR_FUNCTION(0x1, "i2c0", "sck", V_98DX3236_PLUS)),
MPP_MODE(15,
MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_98DX3236_PLUS),
- MPP_VAR_FUNCTION(0x4, "i2c0", "sda", V_98DX3236_PLUS)),
+ MPP_VAR_FUNCTION(0x1, "i2c0", "sda", V_98DX3236_PLUS)),
MPP_MODE(16,
MPP_VAR_FUNCTION(0x0, "gpo", NULL, V_98DX3236_PLUS),
MPP_VAR_FUNCTION(0x4, "dev", "oe", V_98DX3236_PLUS)),
diff --git a/drivers/pinctrl/qcom/pinctrl-sm8250.c b/drivers/pinctrl/qcom/pinctrl-sm8250.c
index a660f1274b66..826df0d637ea 100644
--- a/drivers/pinctrl/qcom/pinctrl-sm8250.c
+++ b/drivers/pinctrl/qcom/pinctrl-sm8250.c
@@ -1308,7 +1308,7 @@ static const struct msm_pingroup sm8250_groups[] = {
[178] = PINGROUP(178, WEST, _, _, _, _, _, _, _, _, _),
[179] = PINGROUP(179, WEST, _, _, _, _, _, _, _, _, _),
[180] = UFS_RESET(ufs_reset, 0xb8000),
- [181] = SDC_PINGROUP(sdc2_clk, 0x7000, 14, 6),
+ [181] = SDC_PINGROUP(sdc2_clk, 0xb7000, 14, 6),
[182] = SDC_PINGROUP(sdc2_cmd, 0xb7000, 11, 3),
[183] = SDC_PINGROUP(sdc2_data, 0xb7000, 9, 0),
};
diff --git a/drivers/scsi/iscsi_tcp.c b/drivers/scsi/iscsi_tcp.c
index b5dd1caae5e9..d10efb66cf19 100644
--- a/drivers/scsi/iscsi_tcp.c
+++ b/drivers/scsi/iscsi_tcp.c
@@ -736,6 +736,7 @@ static int iscsi_sw_tcp_conn_get_param(struct iscsi_cls_conn *cls_conn,
struct iscsi_tcp_conn *tcp_conn = conn->dd_data;
struct iscsi_sw_tcp_conn *tcp_sw_conn = tcp_conn->dd_data;
struct sockaddr_in6 addr;
+ struct socket *sock;
int rc;

switch(param) {
@@ -747,13 +748,17 @@ static int iscsi_sw_tcp_conn_get_param(struct iscsi_cls_conn *cls_conn,
spin_unlock_bh(&conn->session->frwd_lock);
return -ENOTCONN;
}
+ sock = tcp_sw_conn->sock;
+ sock_hold(sock->sk);
+ spin_unlock_bh(&conn->session->frwd_lock);
+
if (param == ISCSI_PARAM_LOCAL_PORT)
- rc = kernel_getsockname(tcp_sw_conn->sock,
+ rc = kernel_getsockname(sock,
(struct sockaddr *)&addr);
else
- rc = kernel_getpeername(tcp_sw_conn->sock,
+ rc = kernel_getpeername(sock,
(struct sockaddr *)&addr);
- spin_unlock_bh(&conn->session->frwd_lock);
+ sock_put(sock->sk);
if (rc < 0)
return rc;

@@ -775,6 +780,7 @@ static int iscsi_sw_tcp_host_get_param(struct Scsi_Host *shost,
struct iscsi_tcp_conn *tcp_conn;
struct iscsi_sw_tcp_conn *tcp_sw_conn;
struct sockaddr_in6 addr;
+ struct socket *sock;
int rc;

switch (param) {
@@ -789,16 +795,18 @@ static int iscsi_sw_tcp_host_get_param(struct Scsi_Host *shost,
return -ENOTCONN;
}
tcp_conn = conn->dd_data;
-
tcp_sw_conn = tcp_conn->dd_data;
- if (!tcp_sw_conn->sock) {
+ sock = tcp_sw_conn->sock;
+ if (!sock) {
spin_unlock_bh(&session->frwd_lock);
return -ENOTCONN;
}
+ sock_hold(sock->sk);
+ spin_unlock_bh(&session->frwd_lock);

- rc = kernel_getsockname(tcp_sw_conn->sock,
+ rc = kernel_getsockname(sock,
(struct sockaddr *)&addr);
- spin_unlock_bh(&session->frwd_lock);
+ sock_put(sock->sk);
if (rc < 0)
return rc;

diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index d90fefffe31b..4b2117cb8483 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -2966,26 +2966,32 @@ static void sd_read_block_characteristics(struct scsi_disk *sdkp)

if (sdkp->device->type == TYPE_ZBC) {
/* Host-managed */
- q->limits.zoned = BLK_ZONED_HM;
+ blk_queue_set_zoned(sdkp->disk, BLK_ZONED_HM);
} else {
sdkp->zoned = (buffer[8] >> 4) & 3;
- if (sdkp->zoned == 1 && !disk_has_partitions(sdkp->disk)) {
+ if (sdkp->zoned == 1) {
/* Host-aware */
- q->limits.zoned = BLK_ZONED_HA;
+ blk_queue_set_zoned(sdkp->disk, BLK_ZONED_HA);
} else {
- /*
- * Treat drive-managed devices and host-aware devices
- * with partitions as regular block devices.
- */
- q->limits.zoned = BLK_ZONED_NONE;
- if (sdkp->zoned == 2 && sdkp->first_scan)
- sd_printk(KERN_NOTICE, sdkp,
- "Drive-managed SMR disk\n");
+ /* Regular disk or drive managed disk */
+ blk_queue_set_zoned(sdkp->disk, BLK_ZONED_NONE);
}
}
- if (blk_queue_is_zoned(q) && sdkp->first_scan)
+
+ if (!sdkp->first_scan)
+ goto out;
+
+ if (blk_queue_is_zoned(q)) {
sd_printk(KERN_NOTICE, sdkp, "Host-%s zoned block device\n",
q->limits.zoned == BLK_ZONED_HM ? "managed" : "aware");
+ } else {
+ if (sdkp->zoned == 1)
+ sd_printk(KERN_NOTICE, sdkp,
+ "Host-aware SMR disk used as regular disk\n");
+ else if (sdkp->zoned == 2)
+ sd_printk(KERN_NOTICE, sdkp,
+ "Drive-managed SMR disk\n");
+ }

out:
kfree(buffer);
@@ -3398,10 +3404,6 @@ static int sd_probe(struct device *dev)
sdkp->first_scan = 1;
sdkp->max_medium_access_timeouts = SD_MAX_MEDIUM_TIMEOUTS;

- error = sd_zbc_init_disk(sdkp);
- if (error)
- goto out_free_index;
-
sd_revalidate_disk(gd);

gd->flags = GENHD_FL_EXT_DEVT;
diff --git a/drivers/scsi/sd.h b/drivers/scsi/sd.h
index 3a74f4b45134..9c24de305c6b 100644
--- a/drivers/scsi/sd.h
+++ b/drivers/scsi/sd.h
@@ -213,7 +213,6 @@ static inline int sd_is_zoned(struct scsi_disk *sdkp)

#ifdef CONFIG_BLK_DEV_ZONED

-int sd_zbc_init_disk(struct scsi_disk *sdkp);
void sd_zbc_release_disk(struct scsi_disk *sdkp);
extern int sd_zbc_read_zones(struct scsi_disk *sdkp, unsigned char *buffer);
extern void sd_zbc_print_zones(struct scsi_disk *sdkp);
@@ -229,17 +228,6 @@ blk_status_t sd_zbc_prepare_zone_append(struct scsi_cmnd *cmd, sector_t *lba,

#else /* CONFIG_BLK_DEV_ZONED */

-static inline int sd_zbc_init(void)
-{
- return 0;
-}
-
-static inline int sd_zbc_init_disk(struct scsi_disk *sdkp)
-{
- return 0;
-}
-
-static inline void sd_zbc_exit(void) {}
static inline void sd_zbc_release_disk(struct scsi_disk *sdkp) {}

static inline int sd_zbc_read_zones(struct scsi_disk *sdkp,
@@ -260,7 +248,7 @@ static inline blk_status_t sd_zbc_setup_zone_mgmt_cmnd(struct scsi_cmnd *cmd,
static inline unsigned int sd_zbc_complete(struct scsi_cmnd *cmd,
unsigned int good_bytes, struct scsi_sense_hdr *sshdr)
{
- return 0;
+ return good_bytes;
}

static inline blk_status_t sd_zbc_prepare_zone_append(struct scsi_cmnd *cmd,
diff --git a/drivers/scsi/sd_zbc.c b/drivers/scsi/sd_zbc.c
index 6f7eba66687e..8384b5dcfa02 100644
--- a/drivers/scsi/sd_zbc.c
+++ b/drivers/scsi/sd_zbc.c
@@ -633,6 +633,45 @@ static int sd_zbc_check_capacity(struct scsi_disk *sdkp, unsigned char *buf,
return 0;
}

+void sd_zbc_print_zones(struct scsi_disk *sdkp)
+{
+ if (!sd_is_zoned(sdkp) || !sdkp->capacity)
+ return;
+
+ if (sdkp->capacity & (sdkp->zone_blocks - 1))
+ sd_printk(KERN_NOTICE, sdkp,
+ "%u zones of %u logical blocks + 1 runt zone\n",
+ sdkp->nr_zones - 1,
+ sdkp->zone_blocks);
+ else
+ sd_printk(KERN_NOTICE, sdkp,
+ "%u zones of %u logical blocks\n",
+ sdkp->nr_zones,
+ sdkp->zone_blocks);
+}
+
+static int sd_zbc_init_disk(struct scsi_disk *sdkp)
+{
+ sdkp->zones_wp_offset = NULL;
+ spin_lock_init(&sdkp->zones_wp_offset_lock);
+ sdkp->rev_wp_offset = NULL;
+ mutex_init(&sdkp->rev_mutex);
+ INIT_WORK(&sdkp->zone_wp_offset_work, sd_zbc_update_wp_offset_workfn);
+ sdkp->zone_wp_update_buf = kzalloc(SD_BUF_SIZE, GFP_KERNEL);
+ if (!sdkp->zone_wp_update_buf)
+ return -ENOMEM;
+
+ return 0;
+}
+
+void sd_zbc_release_disk(struct scsi_disk *sdkp)
+{
+ kvfree(sdkp->zones_wp_offset);
+ sdkp->zones_wp_offset = NULL;
+ kfree(sdkp->zone_wp_update_buf);
+ sdkp->zone_wp_update_buf = NULL;
+}
+
static void sd_zbc_revalidate_zones_cb(struct gendisk *disk)
{
struct scsi_disk *sdkp = scsi_disk(disk);
@@ -645,8 +684,30 @@ static int sd_zbc_revalidate_zones(struct scsi_disk *sdkp,
unsigned int nr_zones)
{
struct gendisk *disk = sdkp->disk;
+ struct request_queue *q = disk->queue;
+ u32 max_append;
int ret = 0;

+ /*
+ * For all zoned disks, initialize zone append emulation data if not
+ * already done. This is necessary also for host-aware disks used as
+ * regular disks due to the presence of partitions as these partitions
+ * may be deleted and the disk zoned model changed back from
+ * BLK_ZONED_NONE to BLK_ZONED_HA.
+ */
+ if (sd_is_zoned(sdkp) && !sdkp->zone_wp_update_buf) {
+ ret = sd_zbc_init_disk(sdkp);
+ if (ret)
+ return ret;
+ }
+
+ /*
+ * There is nothing to do for regular disks, including host-aware disks
+ * that have partitions.
+ */
+ if (!blk_queue_is_zoned(q))
+ return 0;
+
/*
* Make sure revalidate zones are serialized to ensure exclusive
* updates of the scsi disk data.
@@ -681,6 +742,19 @@ static int sd_zbc_revalidate_zones(struct scsi_disk *sdkp,
kvfree(sdkp->rev_wp_offset);
sdkp->rev_wp_offset = NULL;

+ if (ret) {
+ sdkp->zone_blocks = 0;
+ sdkp->nr_zones = 0;
+ sdkp->capacity = 0;
+ goto unlock;
+ }
+
+ max_append = min_t(u32, logical_to_sectors(sdkp->device, zone_blocks),
+ q->limits.max_segments << (PAGE_SHIFT - 9));
+ max_append = min_t(u32, max_append, queue_max_hw_sectors(q));
+
+ blk_queue_max_zone_append_sectors(q, max_append);
+
unlock:
mutex_unlock(&sdkp->rev_mutex);

@@ -693,7 +767,6 @@ int sd_zbc_read_zones(struct scsi_disk *sdkp, unsigned char *buf)
struct request_queue *q = disk->queue;
unsigned int nr_zones;
u32 zone_blocks = 0;
- u32 max_append;
int ret;

if (!sd_is_zoned(sdkp))
@@ -726,20 +799,6 @@ int sd_zbc_read_zones(struct scsi_disk *sdkp, unsigned char *buf)
if (ret)
goto err;

- /*
- * On the first scan 'chunk_sectors' isn't setup yet, so calling
- * blk_queue_max_zone_append_sectors() will result in a WARN(). Defer
- * this setting to the second scan.
- */
- if (sdkp->first_scan)
- return 0;
-
- max_append = min_t(u32, logical_to_sectors(sdkp->device, zone_blocks),
- q->limits.max_segments << (PAGE_SHIFT - 9));
- max_append = min_t(u32, max_append, queue_max_hw_sectors(q));
-
- blk_queue_max_zone_append_sectors(q, max_append);
-
return 0;

err:
@@ -747,45 +806,3 @@ int sd_zbc_read_zones(struct scsi_disk *sdkp, unsigned char *buf)

return ret;
}
-
-void sd_zbc_print_zones(struct scsi_disk *sdkp)
-{
- if (!sd_is_zoned(sdkp) || !sdkp->capacity)
- return;
-
- if (sdkp->capacity & (sdkp->zone_blocks - 1))
- sd_printk(KERN_NOTICE, sdkp,
- "%u zones of %u logical blocks + 1 runt zone\n",
- sdkp->nr_zones - 1,
- sdkp->zone_blocks);
- else
- sd_printk(KERN_NOTICE, sdkp,
- "%u zones of %u logical blocks\n",
- sdkp->nr_zones,
- sdkp->zone_blocks);
-}
-
-int sd_zbc_init_disk(struct scsi_disk *sdkp)
-{
- if (!sd_is_zoned(sdkp))
- return 0;
-
- sdkp->zones_wp_offset = NULL;
- spin_lock_init(&sdkp->zones_wp_offset_lock);
- sdkp->rev_wp_offset = NULL;
- mutex_init(&sdkp->rev_mutex);
- INIT_WORK(&sdkp->zone_wp_offset_work, sd_zbc_update_wp_offset_workfn);
- sdkp->zone_wp_update_buf = kzalloc(SD_BUF_SIZE, GFP_KERNEL);
- if (!sdkp->zone_wp_update_buf)
- return -ENOMEM;
-
- return 0;
-}
-
-void sd_zbc_release_disk(struct scsi_disk *sdkp)
-{
- kvfree(sdkp->zones_wp_offset);
- sdkp->zones_wp_offset = NULL;
- kfree(sdkp->zone_wp_update_buf);
- sdkp->zone_wp_update_buf = NULL;
-}
diff --git a/drivers/spi/spi-fsl-espi.c b/drivers/spi/spi-fsl-espi.c
index e60581283a24..6d148ab70b93 100644
--- a/drivers/spi/spi-fsl-espi.c
+++ b/drivers/spi/spi-fsl-espi.c
@@ -564,13 +564,14 @@ static void fsl_espi_cpu_irq(struct fsl_espi *espi, u32 events)
static irqreturn_t fsl_espi_irq(s32 irq, void *context_data)
{
struct fsl_espi *espi = context_data;
- u32 events;
+ u32 events, mask;

spin_lock(&espi->lock);

/* Get interrupt events(tx/rx) */
events = fsl_espi_read_reg(espi, ESPI_SPIE);
- if (!events) {
+ mask = fsl_espi_read_reg(espi, ESPI_SPIM);
+ if (!(events & mask)) {
spin_unlock(&espi->lock);
return IRQ_NONE;
}
diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index e6e1fa68de54..94f4f05b5002 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -1840,7 +1840,8 @@ int target_submit_tmr(struct se_cmd *se_cmd, struct se_session *se_sess,
* out unpacked_lun for the original se_cmd.
*/
if (tm_type == TMR_ABORT_TASK && (flags & TARGET_SCF_LOOKUP_LUN_FROM_TAG)) {
- if (!target_lookup_lun_from_tag(se_sess, tag, &unpacked_lun))
+ if (!target_lookup_lun_from_tag(se_sess, tag,
+ &se_cmd->orig_fe_lun))
goto failure;
}

diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c
index 7e73e989645b..b351962279e4 100644
--- a/drivers/usb/core/driver.c
+++ b/drivers/usb/core/driver.c
@@ -269,8 +269,30 @@ static int usb_probe_device(struct device *dev)
if (error)
return error;

+ /* Probe the USB device with the driver in hand, but only
+ * defer to a generic driver in case the current USB
+ * device driver has an id_table or a match function; i.e.,
+ * when the device driver was explicitly matched against
+ * a device.
+ *
+ * If the device driver does not have either of these,
+ * then we assume that it can bind to any device and is
+ * not truly a more specialized/non-generic driver, so a
+ * return value of -ENODEV should not force the device
+ * to be handled by the generic USB driver, as there
+ * can still be another, more specialized, device driver.
+ *
+ * This accommodates the usbip driver.
+ *
+ * TODO: What if, in the future, there are multiple
+ * specialized USB device drivers for a particular device?
+ * In such cases, there is a need to try all matching
+ * specialised device drivers prior to setting the
+ * use_generic_driver bit.
+ */
error = udriver->probe(udev);
- if (error == -ENODEV && udriver != &usb_generic_driver) {
+ if (error == -ENODEV && udriver != &usb_generic_driver &&
+ (udriver->id_table || udriver->match)) {
udev->use_generic_driver = 1;
return -EPROBE_DEFER;
}
@@ -831,14 +853,17 @@ static int usb_device_match(struct device *dev, struct device_driver *drv)
udev = to_usb_device(dev);
udrv = to_usb_device_driver(drv);

- if (udrv->id_table &&
- usb_device_match_id(udev, udrv->id_table) != NULL) {
- return 1;
- }
+ if (udrv->id_table)
+ return usb_device_match_id(udev, udrv->id_table) != NULL;

if (udrv->match)
return udrv->match(udev);
- return 0;
+
+ /* If the device driver under consideration does not have a
+ * id_table or a match function, then let the driver's probe
+ * function decide.
+ */
+ return 1;

} else if (is_usb_interface(dev)) {
struct usb_interface *intf;
@@ -905,26 +930,19 @@ static int usb_uevent(struct device *dev, struct kobj_uevent_env *env)
return 0;
}

-static bool is_dev_usb_generic_driver(struct device *dev)
-{
- struct usb_device_driver *udd = dev->driver ?
- to_usb_device_driver(dev->driver) : NULL;
-
- return udd == &usb_generic_driver;
-}
-
static int __usb_bus_reprobe_drivers(struct device *dev, void *data)
{
struct usb_device_driver *new_udriver = data;
struct usb_device *udev;
int ret;

- if (!is_dev_usb_generic_driver(dev))
+ /* Don't reprobe if current driver isn't usb_generic_driver */
+ if (dev->driver != &usb_generic_driver.drvwrap.driver)
return 0;

udev = to_usb_device(dev);
if (usb_device_match_id(udev, new_udriver->id_table) == NULL &&
- (!new_udriver->match || new_udriver->match(udev) != 0))
+ (!new_udriver->match || new_udriver->match(udev) == 0))
return 0;

ret = device_reprobe(dev);
diff --git a/drivers/usb/gadget/function/f_ncm.c b/drivers/usb/gadget/function/f_ncm.c
index b4206b0dede5..1f638759a953 100644
--- a/drivers/usb/gadget/function/f_ncm.c
+++ b/drivers/usb/gadget/function/f_ncm.c
@@ -1189,7 +1189,6 @@ static int ncm_unwrap_ntb(struct gether *port,
const struct ndp_parser_opts *opts = ncm->parser_opts;
unsigned crc_len = ncm->is_crc ? sizeof(uint32_t) : 0;
int dgram_counter;
- bool ndp_after_header;

/* dwSignature */
if (get_unaligned_le32(tmp) != opts->nth_sign) {
@@ -1216,7 +1215,6 @@ static int ncm_unwrap_ntb(struct gether *port,
}

ndp_index = get_ncm(&tmp, opts->ndp_index);
- ndp_after_header = false;

/* Run through all the NDP's in the NTB */
do {
@@ -1232,8 +1230,6 @@ static int ncm_unwrap_ntb(struct gether *port,
ndp_index);
goto err;
}
- if (ndp_index == opts->nth_size)
- ndp_after_header = true;

/*
* walk through NDP
@@ -1312,37 +1308,13 @@ static int ncm_unwrap_ntb(struct gether *port,
index2 = get_ncm(&tmp, opts->dgram_item_len);
dg_len2 = get_ncm(&tmp, opts->dgram_item_len);

- if (index2 == 0 || dg_len2 == 0)
- break;
-
/* wDatagramIndex[1] */
- if (ndp_after_header) {
- if (index2 < opts->nth_size + opts->ndp_size) {
- INFO(port->func.config->cdev,
- "Bad index: %#X\n", index2);
- goto err;
- }
- } else {
- if (index2 < opts->nth_size + opts->dpe_size) {
- INFO(port->func.config->cdev,
- "Bad index: %#X\n", index2);
- goto err;
- }
- }
if (index2 > block_len - opts->dpe_size) {
INFO(port->func.config->cdev,
"Bad index: %#X\n", index2);
goto err;
}

- /* wDatagramLength[1] */
- if ((dg_len2 < 14 + crc_len) ||
- (dg_len2 > frame_max)) {
- INFO(port->func.config->cdev,
- "Bad dgram length: %#X\n", dg_len);
- goto err;
- }
-
/*
* Copy the data into a new skb.
* This ensures the truesize is correct
@@ -1359,6 +1331,8 @@ static int ncm_unwrap_ntb(struct gether *port,
ndp_len -= 2 * (opts->dgram_item_len * 2);

dgram_counter++;
+ if (index2 == 0 || dg_len2 == 0)
+ break;
} while (ndp_len > 2 * (opts->dgram_item_len * 2));
} while (ndp_index);

diff --git a/drivers/usb/usbip/stub_dev.c b/drivers/usb/usbip/stub_dev.c
index 9d7d642022d1..2305d425e6c9 100644
--- a/drivers/usb/usbip/stub_dev.c
+++ b/drivers/usb/usbip/stub_dev.c
@@ -461,11 +461,6 @@ static void stub_disconnect(struct usb_device *udev)
return;
}

-static bool usbip_match(struct usb_device *udev)
-{
- return true;
-}
-
#ifdef CONFIG_PM

/* These functions need usb_port_suspend and usb_port_resume,
@@ -491,7 +486,6 @@ struct usb_device_driver stub_driver = {
.name = "usbip-host",
.probe = stub_probe,
.disconnect = stub_disconnect,
- .match = usbip_match,
#ifdef CONFIG_PM
.suspend = stub_suspend,
.resume = stub_resume,
diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c
index 90b8f56fbadb..6f02c18fa65c 100644
--- a/drivers/xen/events/events_base.c
+++ b/drivers/xen/events/events_base.c
@@ -92,6 +92,8 @@ static bool (*pirq_needs_eoi)(unsigned irq);
/* Xen will never allocate port zero for any purpose. */
#define VALID_EVTCHN(chn) ((chn) != 0)

+static struct irq_info *legacy_info_ptrs[NR_IRQS_LEGACY];
+
static struct irq_chip xen_dynamic_chip;
static struct irq_chip xen_percpu_chip;
static struct irq_chip xen_pirq_chip;
@@ -156,7 +158,18 @@ int get_evtchn_to_irq(evtchn_port_t evtchn)
/* Get info for IRQ */
struct irq_info *info_for_irq(unsigned irq)
{
- return irq_get_chip_data(irq);
+ if (irq < nr_legacy_irqs())
+ return legacy_info_ptrs[irq];
+ else
+ return irq_get_chip_data(irq);
+}
+
+static void set_info_for_irq(unsigned int irq, struct irq_info *info)
+{
+ if (irq < nr_legacy_irqs())
+ legacy_info_ptrs[irq] = info;
+ else
+ irq_set_chip_data(irq, info);
}

/* Constructors for packed IRQ information. */
@@ -377,7 +390,7 @@ static void xen_irq_init(unsigned irq)
info->type = IRQT_UNBOUND;
info->refcnt = -1;

- irq_set_chip_data(irq, info);
+ set_info_for_irq(irq, info);

list_add_tail(&info->list, &xen_irq_list_head);
}
@@ -426,14 +439,14 @@ static int __must_check xen_allocate_irq_gsi(unsigned gsi)

static void xen_free_irq(unsigned irq)
{
- struct irq_info *info = irq_get_chip_data(irq);
+ struct irq_info *info = info_for_irq(irq);

if (WARN_ON(!info))
return;

list_del(&info->list);

- irq_set_chip_data(irq, NULL);
+ set_info_for_irq(irq, NULL);

WARN_ON(info->refcnt > 0);

@@ -603,7 +616,7 @@ EXPORT_SYMBOL_GPL(xen_irq_from_gsi);
static void __unbind_from_irq(unsigned int irq)
{
evtchn_port_t evtchn = evtchn_from_irq(irq);
- struct irq_info *info = irq_get_chip_data(irq);
+ struct irq_info *info = info_for_irq(irq);

if (info->refcnt > 0) {
info->refcnt--;
@@ -1108,7 +1121,7 @@ int bind_ipi_to_irqhandler(enum ipi_vector ipi,

void unbind_from_irqhandler(unsigned int irq, void *dev_id)
{
- struct irq_info *info = irq_get_chip_data(irq);
+ struct irq_info *info = info_for_irq(irq);

if (WARN_ON(!info))
return;
@@ -1142,7 +1155,7 @@ int evtchn_make_refcounted(evtchn_port_t evtchn)
if (irq == -1)
return -ENOENT;

- info = irq_get_chip_data(irq);
+ info = info_for_irq(irq);

if (!info)
return -ENOENT;
@@ -1170,7 +1183,7 @@ int evtchn_get(evtchn_port_t evtchn)
if (irq == -1)
goto done;

- info = irq_get_chip_data(irq);
+ info = info_for_irq(irq);

if (!info)
goto done;
diff --git a/fs/autofs/waitq.c b/fs/autofs/waitq.c
index 74c886f7c51c..5ced859dac53 100644
--- a/fs/autofs/waitq.c
+++ b/fs/autofs/waitq.c
@@ -53,7 +53,7 @@ static int autofs_write(struct autofs_sb_info *sbi,

mutex_lock(&sbi->pipe_mutex);
while (bytes) {
- wr = kernel_write(file, data, bytes, &file->f_pos);
+ wr = __kernel_write(file, data, bytes, NULL);
if (wr <= 0)
break;
data += wr;
diff --git a/fs/btrfs/dev-replace.c b/fs/btrfs/dev-replace.c
index db93909b25e0..eb86e4b88c73 100644
--- a/fs/btrfs/dev-replace.c
+++ b/fs/btrfs/dev-replace.c
@@ -599,6 +599,37 @@ static void btrfs_rm_dev_replace_unblocked(struct btrfs_fs_info *fs_info)
wake_up(&fs_info->dev_replace.replace_wait);
}

+/*
+ * When finishing the device replace, before swapping the source device with the
+ * target device we must update the chunk allocation state in the target device,
+ * as it is empty because replace works by directly copying the chunks and not
+ * through the normal chunk allocation path.
+ */
+static int btrfs_set_target_alloc_state(struct btrfs_device *srcdev,
+ struct btrfs_device *tgtdev)
+{
+ struct extent_state *cached_state = NULL;
+ u64 start = 0;
+ u64 found_start;
+ u64 found_end;
+ int ret = 0;
+
+ lockdep_assert_held(&srcdev->fs_info->chunk_mutex);
+
+ while (!find_first_extent_bit(&srcdev->alloc_state, start,
+ &found_start, &found_end,
+ CHUNK_ALLOCATED, &cached_state)) {
+ ret = set_extent_bits(&tgtdev->alloc_state, found_start,
+ found_end, CHUNK_ALLOCATED);
+ if (ret)
+ break;
+ start = found_end + 1;
+ }
+
+ free_extent_state(cached_state);
+ return ret;
+}
+
static int btrfs_dev_replace_finishing(struct btrfs_fs_info *fs_info,
int scrub_ret)
{
@@ -673,8 +704,14 @@ static int btrfs_dev_replace_finishing(struct btrfs_fs_info *fs_info,
dev_replace->time_stopped = ktime_get_real_seconds();
dev_replace->item_needs_writeback = 1;

- /* replace old device with new one in mapping tree */
+ /*
+ * Update allocation state in the new device and replace the old device
+ * with the new one in the mapping tree.
+ */
if (!scrub_ret) {
+ scrub_ret = btrfs_set_target_alloc_state(src_device, tgt_device);
+ if (scrub_ret)
+ goto error;
btrfs_dev_replace_update_device_in_mapping_tree(fs_info,
src_device,
tgt_device);
@@ -685,6 +722,7 @@ static int btrfs_dev_replace_finishing(struct btrfs_fs_info *fs_info,
btrfs_dev_name(src_device),
src_device->devid,
rcu_str_deref(tgt_device->name), scrub_ret);
+error:
up_write(&dev_replace->rwsem);
mutex_unlock(&fs_info->chunk_mutex);
mutex_unlock(&fs_info->fs_devices->device_list_mutex);
diff --git a/fs/eventpoll.c b/fs/eventpoll.c
index 8107e06d7f6f..4df61129566d 100644
--- a/fs/eventpoll.c
+++ b/fs/eventpoll.c
@@ -218,8 +218,7 @@ struct eventpoll {
struct file *file;

/* used to optimize loop detection check */
- struct list_head visited_list_link;
- int visited;
+ u64 gen;

#ifdef CONFIG_NET_RX_BUSY_POLL
/* used to track busy poll napi_id */
@@ -274,6 +273,8 @@ static long max_user_watches __read_mostly;
*/
static DEFINE_MUTEX(epmutex);

+static u64 loop_check_gen = 0;
+
/* Used to check for epoll file descriptor inclusion loops */
static struct nested_calls poll_loop_ncalls;

@@ -283,9 +284,6 @@ static struct kmem_cache *epi_cache __read_mostly;
/* Slab cache used to allocate "struct eppoll_entry" */
static struct kmem_cache *pwq_cache __read_mostly;

-/* Visited nodes during ep_loop_check(), so we can unset them when we finish */
-static LIST_HEAD(visited_list);
-
/*
* List of files with newly added links, where we may need to limit the number
* of emanating paths. Protected by the epmutex.
@@ -1450,7 +1448,7 @@ static int reverse_path_check(void)

static int ep_create_wakeup_source(struct epitem *epi)
{
- const char *name;
+ struct name_snapshot n;
struct wakeup_source *ws;

if (!epi->ep->ws) {
@@ -1459,8 +1457,9 @@ static int ep_create_wakeup_source(struct epitem *epi)
return -ENOMEM;
}

- name = epi->ffd.file->f_path.dentry->d_name.name;
- ws = wakeup_source_register(NULL, name);
+ take_dentry_name_snapshot(&n, epi->ffd.file->f_path.dentry);
+ ws = wakeup_source_register(NULL, n.name.name);
+ release_dentry_name_snapshot(&n);

if (!ws)
return -ENOMEM;
@@ -1522,6 +1521,22 @@ static int ep_insert(struct eventpoll *ep, const struct epoll_event *event,
RCU_INIT_POINTER(epi->ws, NULL);
}

+ /* Add the current item to the list of active epoll hook for this file */
+ spin_lock(&tfile->f_lock);
+ list_add_tail_rcu(&epi->fllink, &tfile->f_ep_links);
+ spin_unlock(&tfile->f_lock);
+
+ /*
+ * Add the current item to the RB tree. All RB tree operations are
+ * protected by "mtx", and ep_insert() is called with "mtx" held.
+ */
+ ep_rbtree_insert(ep, epi);
+
+ /* now check if we've created too many backpaths */
+ error = -EINVAL;
+ if (full_check && reverse_path_check())
+ goto error_remove_epi;
+
/* Initialize the poll table using the queue callback */
epq.epi = epi;
init_poll_funcptr(&epq.pt, ep_ptable_queue_proc);
@@ -1544,22 +1559,6 @@ static int ep_insert(struct eventpoll *ep, const struct epoll_event *event,
if (epi->nwait < 0)
goto error_unregister;

- /* Add the current item to the list of active epoll hook for this file */
- spin_lock(&tfile->f_lock);
- list_add_tail_rcu(&epi->fllink, &tfile->f_ep_links);
- spin_unlock(&tfile->f_lock);
-
- /*
- * Add the current item to the RB tree. All RB tree operations are
- * protected by "mtx", and ep_insert() is called with "mtx" held.
- */
- ep_rbtree_insert(ep, epi);
-
- /* now check if we've created too many backpaths */
- error = -EINVAL;
- if (full_check && reverse_path_check())
- goto error_remove_epi;
-
/* We have to drop the new item inside our item list to keep track of it */
write_lock_irq(&ep->lock);

@@ -1588,6 +1587,8 @@ static int ep_insert(struct eventpoll *ep, const struct epoll_event *event,

return 0;

+error_unregister:
+ ep_unregister_pollwait(ep, epi);
error_remove_epi:
spin_lock(&tfile->f_lock);
list_del_rcu(&epi->fllink);
@@ -1595,9 +1596,6 @@ static int ep_insert(struct eventpoll *ep, const struct epoll_event *event,

rb_erase_cached(&epi->rbn, &ep->rbr);

-error_unregister:
- ep_unregister_pollwait(ep, epi);
-
/*
* We need to do this because an event could have been arrived on some
* allocated wait queue. Note that we don't care about the ep->ovflist
@@ -1972,13 +1970,12 @@ static int ep_loop_check_proc(void *priv, void *cookie, int call_nests)
struct epitem *epi;

mutex_lock_nested(&ep->mtx, call_nests + 1);
- ep->visited = 1;
- list_add(&ep->visited_list_link, &visited_list);
+ ep->gen = loop_check_gen;
for (rbp = rb_first_cached(&ep->rbr); rbp; rbp = rb_next(rbp)) {
epi = rb_entry(rbp, struct epitem, rbn);
if (unlikely(is_file_epoll(epi->ffd.file))) {
ep_tovisit = epi->ffd.file->private_data;
- if (ep_tovisit->visited)
+ if (ep_tovisit->gen == loop_check_gen)
continue;
error = ep_call_nested(&poll_loop_ncalls,
ep_loop_check_proc, epi->ffd.file,
@@ -2019,18 +2016,8 @@ static int ep_loop_check_proc(void *priv, void *cookie, int call_nests)
*/
static int ep_loop_check(struct eventpoll *ep, struct file *file)
{
- int ret;
- struct eventpoll *ep_cur, *ep_next;
-
- ret = ep_call_nested(&poll_loop_ncalls,
+ return ep_call_nested(&poll_loop_ncalls,
ep_loop_check_proc, file, ep, current);
- /* clear visited list */
- list_for_each_entry_safe(ep_cur, ep_next, &visited_list,
- visited_list_link) {
- ep_cur->visited = 0;
- list_del(&ep_cur->visited_list_link);
- }
- return ret;
}

static void clear_tfile_check_list(void)
@@ -2195,11 +2182,13 @@ int do_epoll_ctl(int epfd, int op, int fd, struct epoll_event *epds,
goto error_tgt_fput;
if (op == EPOLL_CTL_ADD) {
if (!list_empty(&f.file->f_ep_links) ||
+ ep->gen == loop_check_gen ||
is_file_epoll(tf.file)) {
mutex_unlock(&ep->mtx);
error = epoll_mutex_lock(&epmutex, 0, nonblock);
if (error)
goto error_tgt_fput;
+ loop_check_gen++;
full_check = 1;
if (is_file_epoll(tf.file)) {
error = -ELOOP;
@@ -2263,6 +2252,7 @@ int do_epoll_ctl(int epfd, int op, int fd, struct epoll_event *epds,
error_tgt_fput:
if (full_check) {
clear_tfile_check_list();
+ loop_check_gen++;
mutex_unlock(&epmutex);
}

diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index 83d917f7e542..98e170cc0b93 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -3091,11 +3091,10 @@ fuse_direct_IO(struct kiocb *iocb, struct iov_iter *iter)
ssize_t ret = 0;
struct file *file = iocb->ki_filp;
struct fuse_file *ff = file->private_data;
- bool async_dio = ff->fc->async_dio;
loff_t pos = 0;
struct inode *inode;
loff_t i_size;
- size_t count = iov_iter_count(iter);
+ size_t count = iov_iter_count(iter), shortened = 0;
loff_t offset = iocb->ki_pos;
struct fuse_io_priv *io;

@@ -3103,17 +3102,9 @@ fuse_direct_IO(struct kiocb *iocb, struct iov_iter *iter)
inode = file->f_mapping->host;
i_size = i_size_read(inode);

- if ((iov_iter_rw(iter) == READ) && (offset > i_size))
+ if ((iov_iter_rw(iter) == READ) && (offset >= i_size))
return 0;

- /* optimization for short read */
- if (async_dio && iov_iter_rw(iter) != WRITE && offset + count > i_size) {
- if (offset >= i_size)
- return 0;
- iov_iter_truncate(iter, fuse_round_up(ff->fc, i_size - offset));
- count = iov_iter_count(iter);
- }
-
io = kmalloc(sizeof(struct fuse_io_priv), GFP_KERNEL);
if (!io)
return -ENOMEM;
@@ -3129,15 +3120,22 @@ fuse_direct_IO(struct kiocb *iocb, struct iov_iter *iter)
* By default, we want to optimize all I/Os with async request
* submission to the client filesystem if supported.
*/
- io->async = async_dio;
+ io->async = ff->fc->async_dio;
io->iocb = iocb;
io->blocking = is_sync_kiocb(iocb);

+ /* optimization for short read */
+ if (io->async && !io->write && offset + count > i_size) {
+ iov_iter_truncate(iter, fuse_round_up(ff->fc, i_size - offset));
+ shortened = count - iov_iter_count(iter);
+ count -= shortened;
+ }
+
/*
* We cannot asynchronously extend the size of a file.
* In such case the aio will behave exactly like sync io.
*/
- if ((offset + count > i_size) && iov_iter_rw(iter) == WRITE)
+ if ((offset + count > i_size) && io->write)
io->blocking = true;

if (io->async && io->blocking) {
@@ -3155,6 +3153,7 @@ fuse_direct_IO(struct kiocb *iocb, struct iov_iter *iter)
} else {
ret = __fuse_direct_read(io, iter, &pos);
}
+ iov_iter_reexpand(iter, iov_iter_count(iter) + shortened);

if (io->async) {
bool blocking = io->blocking;
diff --git a/fs/io_uring.c b/fs/io_uring.c
index 1d5640cc2a48..ebc3586b1879 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -3318,7 +3318,7 @@ static int io_epoll_ctl_prep(struct io_kiocb *req,
#if defined(CONFIG_EPOLL)
if (sqe->ioprio || sqe->buf_index)
return -EINVAL;
- if (unlikely(req->ctx->flags & IORING_SETUP_IOPOLL))
+ if (unlikely(req->ctx->flags & (IORING_SETUP_IOPOLL | IORING_SETUP_SQPOLL)))
return -EINVAL;

req->epoll.epfd = READ_ONCE(sqe->fd);
@@ -3435,7 +3435,7 @@ static int io_fadvise(struct io_kiocb *req, bool force_nonblock)

static int io_statx_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe)
{
- if (unlikely(req->ctx->flags & IORING_SETUP_IOPOLL))
+ if (unlikely(req->ctx->flags & (IORING_SETUP_IOPOLL | IORING_SETUP_SQPOLL)))
return -EINVAL;
if (sqe->ioprio || sqe->buf_index)
return -EINVAL;
@@ -4310,6 +4310,8 @@ static int io_poll_double_wake(struct wait_queue_entry *wait, unsigned mode,
if (mask && !(mask & poll->events))
return 0;

+ list_del_init(&wait->entry);
+
if (poll && poll->head) {
bool done;

@@ -5040,6 +5042,8 @@ static int io_async_cancel(struct io_kiocb *req)
static int io_files_update_prep(struct io_kiocb *req,
const struct io_uring_sqe *sqe)
{
+ if (unlikely(req->ctx->flags & IORING_SETUP_SQPOLL))
+ return -EINVAL;
if (unlikely(req->flags & (REQ_F_FIXED_FILE | REQ_F_BUFFER_SELECT)))
return -EINVAL;
if (sqe->ioprio || sqe->rw_flags)
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index 5a331da5f55a..785f46217f11 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -579,6 +579,9 @@ int nfs_readdir_page_filler(nfs_readdir_descriptor_t *desc, struct nfs_entry *en
xdr_set_scratch_buffer(&stream, page_address(scratch), PAGE_SIZE);

do {
+ if (entry->label)
+ entry->label->len = NFS4_MAXLABELLEN;
+
status = xdr_decode(desc, entry, &stream);
if (status != 0) {
if (status == -EAGAIN)
diff --git a/fs/nfs/flexfilelayout/flexfilelayout.c b/fs/nfs/flexfilelayout/flexfilelayout.c
index 048272d60a16..f9348ed1bcda 100644
--- a/fs/nfs/flexfilelayout/flexfilelayout.c
+++ b/fs/nfs/flexfilelayout/flexfilelayout.c
@@ -838,6 +838,7 @@ ff_layout_pg_init_read(struct nfs_pageio_descriptor *pgio,
struct nfs4_ff_layout_mirror *mirror;
struct nfs4_pnfs_ds *ds;
int ds_idx;
+ u32 i;

retry:
ff_layout_pg_check_layout(pgio, req);
@@ -864,14 +865,14 @@ ff_layout_pg_init_read(struct nfs_pageio_descriptor *pgio,
goto retry;
}

- mirror = FF_LAYOUT_COMP(pgio->pg_lseg, ds_idx);
+ for (i = 0; i < pgio->pg_mirror_count; i++) {
+ mirror = FF_LAYOUT_COMP(pgio->pg_lseg, i);
+ pgm = &pgio->pg_mirrors[i];
+ pgm->pg_bsize = mirror->mirror_ds->ds_versions[0].rsize;
+ }

pgio->pg_mirror_idx = ds_idx;

- /* read always uses only one mirror - idx 0 for pgio layer */
- pgm = &pgio->pg_mirrors[0];
- pgm->pg_bsize = mirror->mirror_ds->ds_versions[0].rsize;
-
if (NFS_SERVER(pgio->pg_inode)->flags &
(NFS_MOUNT_SOFT|NFS_MOUNT_SOFTERR))
pgio->pg_maxretrans = io_maxretrans;
diff --git a/fs/nfs/nfs42proc.c b/fs/nfs/nfs42proc.c
index e2ae54b35dfe..395a468e349b 100644
--- a/fs/nfs/nfs42proc.c
+++ b/fs/nfs/nfs42proc.c
@@ -355,7 +355,15 @@ static ssize_t _nfs42_proc_copy(struct file *src,

truncate_pagecache_range(dst_inode, pos_dst,
pos_dst + res->write_res.count);
-
+ spin_lock(&dst_inode->i_lock);
+ NFS_I(dst_inode)->cache_validity |= (NFS_INO_REVAL_PAGECACHE |
+ NFS_INO_REVAL_FORCED | NFS_INO_INVALID_SIZE |
+ NFS_INO_INVALID_ATTR | NFS_INO_INVALID_DATA);
+ spin_unlock(&dst_inode->i_lock);
+ spin_lock(&src_inode->i_lock);
+ NFS_I(src_inode)->cache_validity |= (NFS_INO_REVAL_PAGECACHE |
+ NFS_INO_REVAL_FORCED | NFS_INO_INVALID_ATIME);
+ spin_unlock(&src_inode->i_lock);
status = res->write_res.count;
out:
if (args->sync)
diff --git a/fs/pipe.c b/fs/pipe.c
index 60dbee457143..117db82b10af 100644
--- a/fs/pipe.c
+++ b/fs/pipe.c
@@ -106,25 +106,6 @@ void pipe_double_lock(struct pipe_inode_info *pipe1,
}
}

-/* Drop the inode semaphore and wait for a pipe event, atomically */
-void pipe_wait(struct pipe_inode_info *pipe)
-{
- DEFINE_WAIT(rdwait);
- DEFINE_WAIT(wrwait);
-
- /*
- * Pipes are system-local resources, so sleeping on them
- * is considered a noninteractive wait:
- */
- prepare_to_wait(&pipe->rd_wait, &rdwait, TASK_INTERRUPTIBLE);
- prepare_to_wait(&pipe->wr_wait, &wrwait, TASK_INTERRUPTIBLE);
- pipe_unlock(pipe);
- schedule();
- finish_wait(&pipe->rd_wait, &rdwait);
- finish_wait(&pipe->wr_wait, &wrwait);
- pipe_lock(pipe);
-}
-
static void anon_pipe_buf_release(struct pipe_inode_info *pipe,
struct pipe_buffer *buf)
{
@@ -1035,12 +1016,52 @@ SYSCALL_DEFINE1(pipe, int __user *, fildes)
return do_pipe2(fildes, 0);
}

+/*
+ * This is the stupid "wait for pipe to be readable or writable"
+ * model.
+ *
+ * See pipe_read/write() for the proper kind of exclusive wait,
+ * but that requires that we wake up any other readers/writers
+ * if we then do not end up reading everything (ie the whole
+ * "wake_next_reader/writer" logic in pipe_read/write()).
+ */
+void pipe_wait_readable(struct pipe_inode_info *pipe)
+{
+ pipe_unlock(pipe);
+ wait_event_interruptible(pipe->rd_wait, pipe_readable(pipe));
+ pipe_lock(pipe);
+}
+
+void pipe_wait_writable(struct pipe_inode_info *pipe)
+{
+ pipe_unlock(pipe);
+ wait_event_interruptible(pipe->wr_wait, pipe_writable(pipe));
+ pipe_lock(pipe);
+}
+
+/*
+ * This depends on both the wait (here) and the wakeup (wake_up_partner)
+ * holding the pipe lock, so "*cnt" is stable and we know a wakeup cannot
+ * race with the count check and waitqueue prep.
+ *
+ * Normally in order to avoid races, you'd do the prepare_to_wait() first,
+ * then check the condition you're waiting for, and only then sleep. But
+ * because of the pipe lock, we can check the condition before being on
+ * the wait queue.
+ *
+ * We use the 'rd_wait' waitqueue for pipe partner waiting.
+ */
static int wait_for_partner(struct pipe_inode_info *pipe, unsigned int *cnt)
{
+ DEFINE_WAIT(rdwait);
int cur = *cnt;

while (cur == *cnt) {
- pipe_wait(pipe);
+ prepare_to_wait(&pipe->rd_wait, &rdwait, TASK_INTERRUPTIBLE);
+ pipe_unlock(pipe);
+ schedule();
+ finish_wait(&pipe->rd_wait, &rdwait);
+ pipe_lock(pipe);
if (signal_pending(current))
break;
}
@@ -1050,7 +1071,6 @@ static int wait_for_partner(struct pipe_inode_info *pipe, unsigned int *cnt)
static void wake_up_partner(struct pipe_inode_info *pipe)
{
wake_up_interruptible_all(&pipe->rd_wait);
- wake_up_interruptible_all(&pipe->wr_wait);
}

static int fifo_open(struct inode *inode, struct file *filp)
diff --git a/fs/read_write.c b/fs/read_write.c
index 4fb797822567..9a5cb9c2f0d4 100644
--- a/fs/read_write.c
+++ b/fs/read_write.c
@@ -538,6 +538,14 @@ ssize_t __kernel_write(struct file *file, const void *buf, size_t count, loff_t
inc_syscw(current);
return ret;
}
+/*
+ * This "EXPORT_SYMBOL_GPL()" is more of a "EXPORT_SYMBOL_DONTUSE()",
+ * but autofs is one of the few internal kernel users that actually
+ * wants this _and_ can be built as a module. So we need to export
+ * this symbol for autofs, even though it really isn't appropriate
+ * for any other kernel modules.
+ */
+EXPORT_SYMBOL_GPL(__kernel_write);

ssize_t kernel_write(struct file *file, const void *buf, size_t count,
loff_t *pos)
diff --git a/fs/splice.c b/fs/splice.c
index d7c8a7c4db07..c3d00dfc7344 100644
--- a/fs/splice.c
+++ b/fs/splice.c
@@ -563,7 +563,7 @@ static int splice_from_pipe_next(struct pipe_inode_info *pipe, struct splice_des
sd->need_wakeup = false;
}

- pipe_wait(pipe);
+ pipe_wait_readable(pipe);
}

return 1;
@@ -1077,7 +1077,7 @@ static int wait_for_space(struct pipe_inode_info *pipe, unsigned flags)
return -EAGAIN;
if (signal_pending(current))
return -ERESTARTSYS;
- pipe_wait(pipe);
+ pipe_wait_writable(pipe);
}
}

@@ -1454,7 +1454,7 @@ static int ipipe_prep(struct pipe_inode_info *pipe, unsigned int flags)
ret = -EAGAIN;
break;
}
- pipe_wait(pipe);
+ pipe_wait_readable(pipe);
}

pipe_unlock(pipe);
@@ -1493,7 +1493,7 @@ static int opipe_prep(struct pipe_inode_info *pipe, unsigned int flags)
ret = -ERESTARTSYS;
break;
}
- pipe_wait(pipe);
+ pipe_wait_writable(pipe);
}

pipe_unlock(pipe);
diff --git a/fs/vboxsf/super.c b/fs/vboxsf/super.c
index 8fe03b4a0d2b..25aade344192 100644
--- a/fs/vboxsf/super.c
+++ b/fs/vboxsf/super.c
@@ -384,7 +384,7 @@ static int vboxsf_setup(void)

static int vboxsf_parse_monolithic(struct fs_context *fc, void *data)
{
- char *options = data;
+ unsigned char *options = data;

if (options && options[0] == VBSF_MOUNT_SIGNATURE_BYTE_0 &&
options[1] == VBSF_MOUNT_SIGNATURE_BYTE_1 &&
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 57241417ff2f..1af8c9ac50a4 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -354,6 +354,8 @@ struct queue_limits {
typedef int (*report_zones_cb)(struct blk_zone *zone, unsigned int idx,
void *data);

+void blk_queue_set_zoned(struct gendisk *disk, enum blk_zoned_model model);
+
#ifdef CONFIG_BLK_DEV_ZONED

#define BLK_ALL_ZONES ((unsigned int)-1)
diff --git a/include/linux/memstick.h b/include/linux/memstick.h
index da4c65f9435f..ebf73d4ee969 100644
--- a/include/linux/memstick.h
+++ b/include/linux/memstick.h
@@ -281,6 +281,7 @@ struct memstick_host {

struct memstick_dev *card;
unsigned int retries;
+ bool removing;

/* Notify the host that some requests are pending. */
void (*request)(struct memstick_host *host);
diff --git a/include/linux/pipe_fs_i.h b/include/linux/pipe_fs_i.h
index 50afd0d0084c..5d2705f1d01c 100644
--- a/include/linux/pipe_fs_i.h
+++ b/include/linux/pipe_fs_i.h
@@ -240,8 +240,9 @@ extern unsigned int pipe_max_size;
extern unsigned long pipe_user_pages_hard;
extern unsigned long pipe_user_pages_soft;

-/* Drop the inode semaphore and wait for a pipe event, atomically */
-void pipe_wait(struct pipe_inode_info *pipe);
+/* Wait for a pipe to be readable/writable while dropping the pipe lock */
+void pipe_wait_readable(struct pipe_inode_info *);
+void pipe_wait_writable(struct pipe_inode_info *);

struct pipe_inode_info *alloc_pipe_info(void);
void free_pipe_info(struct pipe_inode_info *);
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index b5cb5be3ca6f..b3d0d266fb73 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -6877,16 +6877,14 @@ static void ftrace_ops_assist_func(unsigned long ip, unsigned long parent_ip,
{
int bit;

- if ((op->flags & FTRACE_OPS_FL_RCU) && !rcu_is_watching())
- return;
-
bit = trace_test_and_set_recursion(TRACE_LIST_START, TRACE_LIST_MAX);
if (bit < 0)
return;

preempt_disable_notrace();

- op->func(ip, parent_ip, op, regs);
+ if (!(op->flags & FTRACE_OPS_FL_RCU) || rcu_is_watching())
+ op->func(ip, parent_ip, op, regs);

preempt_enable_notrace();
trace_clear_recursion(bit);
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 6fc6da55b94e..68c0ff4bd02f 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -3507,13 +3507,15 @@ struct trace_entry *trace_find_next_entry(struct trace_iterator *iter,
if (iter->ent && iter->ent != iter->temp) {
if ((!iter->temp || iter->temp_size < iter->ent_size) &&
!WARN_ON_ONCE(iter->temp == static_temp_buf)) {
- kfree(iter->temp);
- iter->temp = kmalloc(iter->ent_size, GFP_KERNEL);
- if (!iter->temp)
+ void *temp;
+ temp = kmalloc(iter->ent_size, GFP_KERNEL);
+ if (!temp)
return NULL;
+ kfree(iter->temp);
+ iter->temp = temp;
+ iter->temp_size = iter->ent_size;
}
memcpy(iter->temp, iter->ent, iter->ent_size);
- iter->temp_size = iter->ent_size;
iter->ent = iter->temp;
}
entry = __find_next_entry(iter, ent_cpu, NULL, ent_ts);
@@ -3743,14 +3745,14 @@ unsigned long trace_total_entries(struct trace_array *tr)

static void print_lat_help_header(struct seq_file *m)
{
- seq_puts(m, "# _------=> CPU# \n"
- "# / _-----=> irqs-off \n"
- "# | / _----=> need-resched \n"
- "# || / _---=> hardirq/softirq \n"
- "# ||| / _--=> preempt-depth \n"
- "# |||| / delay \n"
- "# cmd pid ||||| time | caller \n"
- "# \\ / ||||| \\ | / \n");
+ seq_puts(m, "# _------=> CPU# \n"
+ "# / _-----=> irqs-off \n"
+ "# | / _----=> need-resched \n"
+ "# || / _---=> hardirq/softirq \n"
+ "# ||| / _--=> preempt-depth \n"
+ "# |||| / delay \n"
+ "# cmd pid ||||| time | caller \n"
+ "# \\ / ||||| \\ | / \n");
}

static void print_event_info(struct array_buffer *buf, struct seq_file *m)
@@ -3771,26 +3773,26 @@ static void print_func_help_header(struct array_buffer *buf, struct seq_file *m,

print_event_info(buf, m);

- seq_printf(m, "# TASK-PID %s CPU# TIMESTAMP FUNCTION\n", tgid ? "TGID " : "");
- seq_printf(m, "# | | %s | | |\n", tgid ? " | " : "");
+ seq_printf(m, "# TASK-PID %s CPU# TIMESTAMP FUNCTION\n", tgid ? " TGID " : "");
+ seq_printf(m, "# | | %s | | |\n", tgid ? " | " : "");
}

static void print_func_help_header_irq(struct array_buffer *buf, struct seq_file *m,
unsigned int flags)
{
bool tgid = flags & TRACE_ITER_RECORD_TGID;
- const char *space = " ";
- int prec = tgid ? 10 : 2;
+ const char *space = " ";
+ int prec = tgid ? 12 : 2;

print_event_info(buf, m);

- seq_printf(m, "# %.*s _-----=> irqs-off\n", prec, space);
- seq_printf(m, "# %.*s / _----=> need-resched\n", prec, space);
- seq_printf(m, "# %.*s| / _---=> hardirq/softirq\n", prec, space);
- seq_printf(m, "# %.*s|| / _--=> preempt-depth\n", prec, space);
- seq_printf(m, "# %.*s||| / delay\n", prec, space);
- seq_printf(m, "# TASK-PID %.*sCPU# |||| TIMESTAMP FUNCTION\n", prec, " TGID ");
- seq_printf(m, "# | | %.*s | |||| | |\n", prec, " | ");
+ seq_printf(m, "# %.*s _-----=> irqs-off\n", prec, space);
+ seq_printf(m, "# %.*s / _----=> need-resched\n", prec, space);
+ seq_printf(m, "# %.*s| / _---=> hardirq/softirq\n", prec, space);
+ seq_printf(m, "# %.*s|| / _--=> preempt-depth\n", prec, space);
+ seq_printf(m, "# %.*s||| / delay\n", prec, space);
+ seq_printf(m, "# TASK-PID %.*s CPU# |||| TIMESTAMP FUNCTION\n", prec, " TGID ");
+ seq_printf(m, "# | | %.*s | |||| | |\n", prec, " | ");
}

void
diff --git a/kernel/trace/trace_output.c b/kernel/trace/trace_output.c
index 73976de7f8cc..a8d719263e1b 100644
--- a/kernel/trace/trace_output.c
+++ b/kernel/trace/trace_output.c
@@ -497,7 +497,7 @@ lat_print_generic(struct trace_seq *s, struct trace_entry *entry, int cpu)

trace_find_cmdline(entry->pid, comm);

- trace_seq_printf(s, "%8.8s-%-5d %3d",
+ trace_seq_printf(s, "%8.8s-%-7d %3d",
comm, entry->pid, cpu);

return trace_print_lat_fmt(s, entry);
@@ -588,15 +588,15 @@ int trace_print_context(struct trace_iterator *iter)

trace_find_cmdline(entry->pid, comm);

- trace_seq_printf(s, "%16s-%-5d ", comm, entry->pid);
+ trace_seq_printf(s, "%16s-%-7d ", comm, entry->pid);

if (tr->trace_flags & TRACE_ITER_RECORD_TGID) {
unsigned int tgid = trace_find_tgid(entry->pid);

if (!tgid)
- trace_seq_printf(s, "(-----) ");
+ trace_seq_printf(s, "(-------) ");
else
- trace_seq_printf(s, "(%5d) ", tgid);
+ trace_seq_printf(s, "(%7d) ", tgid);
}

trace_seq_printf(s, "[%03d] ", iter->cpu);
@@ -636,7 +636,7 @@ int trace_print_lat_context(struct trace_iterator *iter)
trace_find_cmdline(entry->pid, comm);

trace_seq_printf(
- s, "%16s %5d %3d %d %08x %08lx ",
+ s, "%16s %7d %3d %d %08x %08lx ",
comm, entry->pid, iter->cpu, entry->flags,
entry->preempt_count, iter->idx);
} else {
@@ -917,7 +917,7 @@ static enum print_line_t trace_ctxwake_print(struct trace_iterator *iter,
S = task_index_to_char(field->prev_state);
trace_find_cmdline(field->next_pid, comm);
trace_seq_printf(&iter->seq,
- " %5d:%3d:%c %s [%03d] %5d:%3d:%c %s\n",
+ " %7d:%3d:%c %s [%03d] %7d:%3d:%c %s\n",
field->prev_pid,
field->prev_prio,
S, delim,
diff --git a/lib/random32.c b/lib/random32.c
index 3d749abb9e80..1786f78bf4c5 100644
--- a/lib/random32.c
+++ b/lib/random32.c
@@ -48,7 +48,7 @@ static inline void prandom_state_selftest(void)
}
#endif

-DEFINE_PER_CPU(struct rnd_state, net_rand_state);
+DEFINE_PER_CPU(struct rnd_state, net_rand_state) __latent_entropy;

/**
* prandom_u32_state - seeded pseudo-random number generator.
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 5c5af4b5fc08..f2c3ac648fc0 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -451,7 +451,8 @@ ieee80211_add_rx_radiotap_header(struct ieee80211_local *local,
else if (status->bw == RATE_INFO_BW_5)
channel_flags |= IEEE80211_CHAN_QUARTER;

- if (status->band == NL80211_BAND_5GHZ)
+ if (status->band == NL80211_BAND_5GHZ ||
+ status->band == NL80211_BAND_6GHZ)
channel_flags |= IEEE80211_CHAN_OFDM | IEEE80211_CHAN_5GHZ;
else if (status->encoding != RX_ENC_LEGACY)
channel_flags |= IEEE80211_CHAN_DYN | IEEE80211_CHAN_2GHZ;
diff --git a/net/mac80211/vht.c b/net/mac80211/vht.c
index 9c6045f9c24d..d1b64d0751f2 100644
--- a/net/mac80211/vht.c
+++ b/net/mac80211/vht.c
@@ -168,10 +168,7 @@ ieee80211_vht_cap_ie_to_sta_vht_cap(struct ieee80211_sub_if_data *sdata,
/* take some capabilities as-is */
cap_info = le32_to_cpu(vht_cap_ie->vht_cap_info);
vht_cap->cap = cap_info;
- vht_cap->cap &= IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895 |
- IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 |
- IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 |
- IEEE80211_VHT_CAP_RXLDPC |
+ vht_cap->cap &= IEEE80211_VHT_CAP_RXLDPC |
IEEE80211_VHT_CAP_VHT_TXOP_PS |
IEEE80211_VHT_CAP_HTC_VHT |
IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK |
@@ -180,6 +177,9 @@ ieee80211_vht_cap_ie_to_sta_vht_cap(struct ieee80211_sub_if_data *sdata,
IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN |
IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN;

+ vht_cap->cap |= min_t(u32, cap_info & IEEE80211_VHT_CAP_MAX_MPDU_MASK,
+ own_cap.cap & IEEE80211_VHT_CAP_MAX_MPDU_MASK);
+
/* and some based on our own capabilities */
switch (own_cap.cap & IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK) {
case IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ:
diff --git a/scripts/dtc/Makefile b/scripts/dtc/Makefile
index 0b44917f981c..d4129e0275e4 100644
--- a/scripts/dtc/Makefile
+++ b/scripts/dtc/Makefile
@@ -10,7 +10,7 @@ dtc-objs := dtc.o flattree.o fstree.o data.o livetree.o treesource.o \
dtc-objs += dtc-lexer.lex.o dtc-parser.tab.o

# Source files need to get at the userspace version of libfdt_env.h to compile
-HOST_EXTRACFLAGS := -I $(srctree)/$(src)/libfdt
+HOST_EXTRACFLAGS += -I $(srctree)/$(src)/libfdt

ifeq ($(shell pkg-config --exists yaml-0.1 2>/dev/null && echo yes),)
ifneq ($(CHECK_DT_BINDING)$(CHECK_DTBS),)
diff --git a/scripts/kallsyms.c b/scripts/kallsyms.c
index 6dc3078649fa..e8b26050f545 100644
--- a/scripts/kallsyms.c
+++ b/scripts/kallsyms.c
@@ -82,6 +82,7 @@ static char *sym_name(const struct sym_entry *s)

static bool is_ignored_symbol(const char *name, char type)
{
+ /* Symbol names that exactly match to the following are ignored.*/
static const char * const ignored_symbols[] = {
/*
* Symbols which vary between passes. Passes 1 and 2 must have
@@ -104,6 +105,7 @@ static bool is_ignored_symbol(const char *name, char type)
NULL
};

+ /* Symbol names that begin with the following are ignored.*/
static const char * const ignored_prefixes[] = {
"$", /* local symbols for ARM, MIPS, etc. */
".LASANPC", /* s390 kasan local symbols */
@@ -112,6 +114,7 @@ static bool is_ignored_symbol(const char *name, char type)
NULL
};

+ /* Symbol names that end with the following are ignored.*/
static const char * const ignored_suffixes[] = {
"_from_arm", /* arm */
"_from_thumb", /* arm */
@@ -119,9 +122,15 @@ static bool is_ignored_symbol(const char *name, char type)
NULL
};

+ /* Symbol names that contain the following are ignored.*/
+ static const char * const ignored_matches[] = {
+ ".long_branch.", /* ppc stub */
+ ".plt_branch.", /* ppc stub */
+ NULL
+ };
+
const char * const *p;

- /* Exclude symbols which vary between passes. */
for (p = ignored_symbols; *p; p++)
if (!strcmp(name, *p))
return true;
@@ -137,6 +146,11 @@ static bool is_ignored_symbol(const char *name, char type)
return true;
}

+ for (p = ignored_matches; *p; p++) {
+ if (strstr(name, *p))
+ return true;
+ }
+
if (type == 'U' || type == 'u')
return true;
/* exclude debugging symbols */
diff --git a/tools/io_uring/io_uring-bench.c b/tools/io_uring/io_uring-bench.c
index 0f257139b003..7703f0118385 100644
--- a/tools/io_uring/io_uring-bench.c
+++ b/tools/io_uring/io_uring-bench.c
@@ -130,7 +130,7 @@ static int io_uring_register_files(struct submitter *s)
s->nr_files);
}

-static int gettid(void)
+static int lk_gettid(void)
{
return syscall(__NR_gettid);
}
@@ -281,7 +281,7 @@ static void *submitter_fn(void *data)
struct io_sq_ring *ring = &s->sq_ring;
int ret, prepped;

- printf("submitter=%d\n", gettid());
+ printf("submitter=%d\n", lk_gettid());

srand48_r(pthread_self(), &s->rand);

diff --git a/tools/lib/bpf/Makefile b/tools/lib/bpf/Makefile
index c820b0be9d63..9ae8f4ef0aac 100644
--- a/tools/lib/bpf/Makefile
+++ b/tools/lib/bpf/Makefile
@@ -59,7 +59,7 @@ FEATURE_USER = .libbpf
FEATURE_TESTS = libelf libelf-mmap zlib bpf reallocarray
FEATURE_DISPLAY = libelf zlib bpf

-INCLUDES = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(ARCH)/include/uapi -I$(srctree)/tools/include/uapi
+INCLUDES = -I. -I$(srctree)/tools/include -I$(srctree)/tools/include/uapi
FEATURE_CHECK_CFLAGS-bpf = $(INCLUDES)

check_feat := 1

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