[PATCH] perf/x86/intel/uncore: Fix coding style

From: Julian Brost
Date: Tue Dec 16 2014 - 12:38:42 EST

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Removed use of the deprecated DEFINE_PCI_DEVICE_TABLE macro, replaced a call to
kzalloc with kcalloc, fixed whitespace alignment in macros and some other minor
checkpatch warnings.

Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: "H. Peter Anvin" <hpa@xxxxxxxxx>
Cc: x86@xxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
Signed-off-by: Julian Brost <linux-kernel@xxxxxxxxxx>
Signed-off-by: Fabian Hofmann <fabian.hofmann@xxxxxx>
---
arch/x86/kernel/cpu/perf_event_intel_uncore.c | 6 +++-
.../x86/kernel/cpu/perf_event_intel_uncore_nhmex.c | 1 +
.../x86/kernel/cpu/perf_event_intel_uncore_snbep.c | 39 +++++++++++++---------
3 files changed, 30 insertions(+), 16 deletions(-)

diff --git a/arch/x86/kernel/cpu/perf_event_intel_uncore.c b/arch/x86/kernel/cpu/perf_event_intel_uncore.c
index 9762dbd..32f67c7 100644
--- a/arch/x86/kernel/cpu/perf_event_intel_uncore.c
+++ b/arch/x86/kernel/cpu/perf_event_intel_uncore.c
@@ -529,6 +529,7 @@ static void uncore_pmu_event_del(struct perf_event *event, int flags)
void uncore_pmu_event_read(struct perf_event *event)
{
struct intel_uncore_box *box = uncore_event_to_box(event);
+
uncore_perf_event_update(box, event);
}

@@ -714,6 +715,7 @@ static void __init uncore_type_exit(struct intel_uncore_type *type)
static void __init uncore_types_exit(struct intel_uncore_type **types)
{
int i;
+
for (i = 0; types[i]; i++)
uncore_type_exit(types[i]);
}
@@ -725,7 +727,7 @@ static int __init uncore_type_init(struct intel_uncore_type *type)
struct attribute **attrs;
int i, j;

- pmus = kzalloc(sizeof(*pmus) * type->num_boxes, GFP_KERNEL);
+ pmus = kcalloc(type->num_boxes, sizeof(*pmus), GFP_KERNEL);
if (!pmus)
return -ENOMEM;

@@ -805,6 +807,7 @@ static int uncore_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id

if (UNCORE_PCI_DEV_TYPE(id->driver_data) == UNCORE_EXTRA_PCI_DEV) {
int idx = UNCORE_PCI_DEV_IDX(id->driver_data);
+
uncore_extra_pci_dev[phys_id][idx] = pdev;
pci_set_drvdata(pdev, NULL);
return 0;
@@ -1002,6 +1005,7 @@ static int uncore_cpu_starting(int cpu)
if (exist && exist->phys_id == phys_id) {
atomic_inc(&exist->refcnt);
*per_cpu_ptr(pmu->box, cpu) = exist;
+
if (box) {
list_add(&box->list,
&boxes_to_free);
diff --git a/arch/x86/kernel/cpu/perf_event_intel_uncore_nhmex.c b/arch/x86/kernel/cpu/perf_event_intel_uncore_nhmex.c
index 2749965..d51e06c 100644
--- a/arch/x86/kernel/cpu/perf_event_intel_uncore_nhmex.c
+++ b/arch/x86/kernel/cpu/perf_event_intel_uncore_nhmex.c
@@ -1005,6 +1005,7 @@ again:
* the 0~7 bits and the 8~15 bits respectively.
*/
u64 mask = 0xff << ((idx - 2) * 8);
+
if (!__BITS_VALUE(atomic_read(&er->ref), idx - 2, 8) ||
!((er->config ^ config1) & mask)) {
atomic_add(1 << ((idx - 2) * 8), &er->ref);
diff --git a/arch/x86/kernel/cpu/perf_event_intel_uncore_snbep.c b/arch/x86/kernel/cpu/perf_event_intel_uncore_snbep.c
index f9ed429..8fb035c 100644
--- a/arch/x86/kernel/cpu/perf_event_intel_uncore_snbep.c
+++ b/arch/x86/kernel/cpu/perf_event_intel_uncore_snbep.c
@@ -114,7 +114,7 @@
/* IVBEP event control */
#define IVBEP_PMON_BOX_CTL_INT (SNBEP_PMON_BOX_CTL_RST_CTRL | \
SNBEP_PMON_BOX_CTL_RST_CTRS)
-#define IVBEP_PMON_RAW_EVENT_MASK (SNBEP_PMON_CTL_EV_SEL_MASK | \
+#define IVBEP_PMON_RAW_EVENT_MASK (SNBEP_PMON_CTL_EV_SEL_MASK | \
SNBEP_PMON_CTL_UMASK_MASK | \
SNBEP_PMON_CTL_EDGE_DET | \
SNBEP_PMON_CTL_TRESH_MASK)
@@ -129,16 +129,16 @@
SNBEP_PMON_CTL_EDGE_DET | \
SNBEP_U_MSR_PMON_CTL_TRESH_MASK)
/* IVBEP Cbo */
-#define IVBEP_CBO_MSR_PMON_RAW_EVENT_MASK (IVBEP_PMON_RAW_EVENT_MASK | \
+#define IVBEP_CBO_MSR_PMON_RAW_EVENT_MASK (IVBEP_PMON_RAW_EVENT_MASK | \
SNBEP_CBO_PMON_CTL_TID_EN)

-#define IVBEP_CB0_MSR_PMON_BOX_FILTER_TID (0x1fULL << 0)
+#define IVBEP_CB0_MSR_PMON_BOX_FILTER_TID (0x1fULL << 0)
#define IVBEP_CB0_MSR_PMON_BOX_FILTER_LINK (0xfULL << 5)
#define IVBEP_CB0_MSR_PMON_BOX_FILTER_STATE (0x3fULL << 17)
-#define IVBEP_CB0_MSR_PMON_BOX_FILTER_NID (0xffffULL << 32)
-#define IVBEP_CB0_MSR_PMON_BOX_FILTER_OPC (0x1ffULL << 52)
-#define IVBEP_CB0_MSR_PMON_BOX_FILTER_C6 (0x1ULL << 61)
-#define IVBEP_CB0_MSR_PMON_BOX_FILTER_NC (0x1ULL << 62)
+#define IVBEP_CB0_MSR_PMON_BOX_FILTER_NID (0xffffULL << 32)
+#define IVBEP_CB0_MSR_PMON_BOX_FILTER_OPC (0x1ffULL << 52)
+#define IVBEP_CB0_MSR_PMON_BOX_FILTER_C6 (0x1ULL << 61)
+#define IVBEP_CB0_MSR_PMON_BOX_FILTER_NC (0x1ULL << 62)
#define IVBEP_CB0_MSR_PMON_BOX_FILTER_ISOC (0x1ULL << 63)

/* IVBEP home agent */
@@ -185,20 +185,20 @@
#define HSWEP_CBO_MSR_OFFSET 0x10

-#define HSWEP_CB0_MSR_PMON_BOX_FILTER_TID (0x3fULL << 0)
+#define HSWEP_CB0_MSR_PMON_BOX_FILTER_TID (0x3fULL << 0)
#define HSWEP_CB0_MSR_PMON_BOX_FILTER_LINK (0xfULL << 6)
#define HSWEP_CB0_MSR_PMON_BOX_FILTER_STATE (0x7fULL << 17)
-#define HSWEP_CB0_MSR_PMON_BOX_FILTER_NID (0xffffULL << 32)
-#define HSWEP_CB0_MSR_PMON_BOX_FILTER_OPC (0x1ffULL << 52)
-#define HSWEP_CB0_MSR_PMON_BOX_FILTER_C6 (0x1ULL << 61)
-#define HSWEP_CB0_MSR_PMON_BOX_FILTER_NC (0x1ULL << 62)
+#define HSWEP_CB0_MSR_PMON_BOX_FILTER_NID (0xffffULL << 32)
+#define HSWEP_CB0_MSR_PMON_BOX_FILTER_OPC (0x1ffULL << 52)
+#define HSWEP_CB0_MSR_PMON_BOX_FILTER_C6 (0x1ULL << 61)
+#define HSWEP_CB0_MSR_PMON_BOX_FILTER_NC (0x1ULL << 62)
#define HSWEP_CB0_MSR_PMON_BOX_FILTER_ISOC (0x1ULL << 63)

/* Haswell-EP Sbox */
#define HSWEP_S0_MSR_PMON_CTR0 0x726
#define HSWEP_S0_MSR_PMON_CTL0 0x721
-#define HSWEP_S0_MSR_PMON_BOX_CTL 0x720
+#define HSWEP_S0_MSR_PMON_BOX_CTL 0x720
#define HSWEP_SBOX_MSR_OFFSET 0xa
#define HSWEP_S_MSR_PMON_RAW_EVENT_MASK (SNBEP_PMON_RAW_EVENT_MASK | \
SNBEP_CBO_PMON_CTL_TID_EN)
@@ -510,7 +510,7 @@ static struct intel_uncore_ops snbep_uncore_msr_ops = {

static struct intel_uncore_ops snbep_uncore_pci_ops = {
SNBEP_UNCORE_PCI_OPS_COMMON_INIT(),
- .enable_event = snbep_uncore_pci_enable_event, \
+ .enable_event = snbep_uncore_pci_enable_event,
};

static struct event_constraint snbep_uncore_cbox_constraints[] = {
@@ -915,6 +915,7 @@ static void snbep_qpi_enable_event(struct intel_uncore_box *box, struct perf_eve
if (reg1->idx != EXTRA_REG_NONE) {
int idx = box->pmu->pmu_idx + SNBEP_PCI_QPI_PORT0_FILTER;
struct pci_dev *filter_pdev = uncore_extra_pci_dev[box->phys_id][idx];
+
if (filter_pdev) {
pci_write_config_dword(filter_pdev, reg1->reg,
(u32)reg1->config);
@@ -1136,6 +1137,7 @@ static int snbep_pci2phy_map_init(int devid)
int snbep_uncore_pci_init(void)
{
int ret = snbep_pci2phy_map_init(0x3ce0);
+
if (ret)
return ret;
uncore_pci_uncores = snbep_pci_uncores;
@@ -1148,6 +1150,7 @@ int snbep_uncore_pci_init(void)
static void ivbep_uncore_msr_init_box(struct intel_uncore_box *box)
{
unsigned msr = uncore_msr_box_ctl(box);
+
if (msr)
wrmsrl(msr, IVBEP_PMON_BOX_CTL_INT);
}
@@ -1400,6 +1403,7 @@ static void ivbep_cbox_enable_event(struct intel_uncore_box *box, struct perf_ev

if (reg1->idx != EXTRA_REG_NONE) {
u64 filter = uncore_shared_reg_config(box, 0);
+
wrmsrl(reg1->reg, filter & 0xffffffff);
wrmsrl(reg1->reg + 6, filter >> 32);
}
@@ -1700,6 +1704,7 @@ static struct pci_driver ivbep_uncore_pci_driver = {
int ivbep_uncore_pci_init(void)
{
int ret = snbep_pci2phy_map_init(0x0e1e);
+
if (ret)
return ret;
uncore_pci_uncores = ivbep_pci_uncores;
@@ -1728,6 +1733,7 @@ static struct attribute_group hswep_uncore_ubox_format_group = {
static int hswep_ubox_hw_config(struct intel_uncore_box *box, struct perf_event *event)
{
struct hw_perf_event_extra *reg1 = &event->hw.extra_reg;
+
reg1->reg = HSWEP_U_MSR_PMON_FILTER;
reg1->config = event->attr.config1 & HSWEP_U_MSR_PMON_BOX_FILTER_MASK;
reg1->idx = 0;
@@ -1835,6 +1841,7 @@ static struct extra_reg hswep_uncore_cbox_extra_regs[] = {
static u64 hswep_cbox_filter_mask(int fields)
{
u64 mask = 0;
+
if (fields & 0x1)
mask |= HSWEP_CB0_MSR_PMON_BOX_FILTER_TID;
if (fields & 0x2)
@@ -1887,6 +1894,7 @@ static void hswep_cbox_enable_event(struct intel_uncore_box *box,

if (reg1->idx != EXTRA_REG_NONE) {
u64 filter = uncore_shared_reg_config(box, 0);
+
wrmsrl(reg1->reg, filter & 0xffffffff);
wrmsrl(reg1->reg + 1, filter >> 32);
}
@@ -2196,7 +2204,7 @@ static struct intel_uncore_type *hswep_pci_uncores[] = {
NULL,
};

-static DEFINE_PCI_DEVICE_TABLE(hswep_uncore_pci_ids) = {
+static const struct pci_device_id swep_uncore_pci_ids[] = {
{ /* Home Agent 0 */
PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x2f30),
.driver_data = UNCORE_PCI_DEV_DATA(HSWEP_PCI_UNCORE_HA, 0),
@@ -2290,6 +2298,7 @@ static struct pci_driver hswep_uncore_pci_driver = {
int hswep_uncore_pci_init(void)
{
int ret = snbep_pci2phy_map_init(0x2f1e);
+
if (ret)
return ret;
uncore_pci_uncores = hswep_pci_uncores;
--
1.9.1

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Next message: Daniel Vetter: "Re: [PATCH v4 3/3] vt: fix console lock vs. kernfs s_active lock order"
Previous message: Mohammad Jamal: "[PATCH 2/2] misc: ad52x_dpot: fix break is not useful after a goto or return coding style issue in ad525x_dpot.c"
Next in thread: Julian Brost: "Re: [PATCH] perf/x86/intel/uncore: Fix coding style"
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]