Re: Linux 5.10.128

From: Greg Kroah-Hartman
Date: Sat Jul 02 2022 - 10:58:03 EST

diff --git a/MAINTAINERS b/MAINTAINERS
index 7c118b507912..4d10e79030a9 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -19246,7 +19246,8 @@ F: arch/x86/xen/*swiotlb*
F: drivers/xen/*swiotlb*

XFS FILESYSTEM
-M: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
+M: Amir Goldstein <amir73il@xxxxxxxxx>
+M: Darrick J. Wong <djwong@xxxxxxxxxx>
M: linux-xfs@xxxxxxxxxxxxxxx
L: linux-xfs@xxxxxxxxxxxxxxx
S: Supported
diff --git a/Makefile b/Makefile
index e3eb9ba19f86..b89ad8a987db 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 5
PATCHLEVEL = 10
-SUBLEVEL = 127
+SUBLEVEL = 128
EXTRAVERSION =
NAME = Dare mighty things

diff --git a/arch/powerpc/include/asm/ftrace.h b/arch/powerpc/include/asm/ftrace.h
index bc76970b6ee5..e647dfcb3191 100644
--- a/arch/powerpc/include/asm/ftrace.h
+++ b/arch/powerpc/include/asm/ftrace.h
@@ -96,7 +96,7 @@ static inline bool arch_syscall_match_sym_name(const char *sym, const char *name
#endif /* PPC64_ELF_ABI_v1 */
#endif /* CONFIG_FTRACE_SYSCALLS */

-#ifdef CONFIG_PPC64
+#if defined(CONFIG_PPC64) && defined(CONFIG_FUNCTION_TRACER)
#include <asm/paca.h>

static inline void this_cpu_disable_ftrace(void)
@@ -120,11 +120,13 @@ static inline u8 this_cpu_get_ftrace_enabled(void)
return get_paca()->ftrace_enabled;
}

+void ftrace_free_init_tramp(void);
#else /* CONFIG_PPC64 */
static inline void this_cpu_disable_ftrace(void) { }
static inline void this_cpu_enable_ftrace(void) { }
static inline void this_cpu_set_ftrace_enabled(u8 ftrace_enabled) { }
static inline u8 this_cpu_get_ftrace_enabled(void) { return 1; }
+static inline void ftrace_free_init_tramp(void) { }
#endif /* CONFIG_PPC64 */
#endif /* !__ASSEMBLY__ */

diff --git a/arch/powerpc/kernel/trace/ftrace.c b/arch/powerpc/kernel/trace/ftrace.c
index 42761ebec9f7..d24aea4fed7a 100644
--- a/arch/powerpc/kernel/trace/ftrace.c
+++ b/arch/powerpc/kernel/trace/ftrace.c
@@ -336,9 +336,7 @@ static int setup_mcount_compiler_tramp(unsigned long tramp)

/* Is this a known long jump tramp? */
for (i = 0; i < NUM_FTRACE_TRAMPS; i++)
- if (!ftrace_tramps[i])
- break;
- else if (ftrace_tramps[i] == tramp)
+ if (ftrace_tramps[i] == tramp)
return 0;

/* Is this a known plt tramp? */
@@ -882,6 +880,17 @@ void arch_ftrace_update_code(int command)

extern unsigned int ftrace_tramp_text[], ftrace_tramp_init[];

+void ftrace_free_init_tramp(void)
+{
+ int i;
+
+ for (i = 0; i < NUM_FTRACE_TRAMPS && ftrace_tramps[i]; i++)
+ if (ftrace_tramps[i] == (unsigned long)ftrace_tramp_init) {
+ ftrace_tramps[i] = 0;
+ return;
+ }
+}
+
int __init ftrace_dyn_arch_init(void)
{
int i;
diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c
index 22eb1c718e62..1ed276d2305f 100644
--- a/arch/powerpc/mm/mem.c
+++ b/arch/powerpc/mm/mem.c
@@ -51,6 +51,7 @@
#include <asm/kasan.h>
#include <asm/svm.h>
#include <asm/mmzone.h>
+#include <asm/ftrace.h>

#include <mm/mmu_decl.h>

@@ -347,6 +348,7 @@ void free_initmem(void)
mark_initmem_nx();
init_mem_is_free = true;
free_initmem_default(POISON_FREE_INITMEM);
+ ftrace_free_init_tramp();
}

/**
diff --git a/drivers/gpu/drm/drm_crtc_helper_internal.h b/drivers/gpu/drm/drm_crtc_helper_internal.h
index 25ce42e79995..61e09f8a8d0f 100644
--- a/drivers/gpu/drm/drm_crtc_helper_internal.h
+++ b/drivers/gpu/drm/drm_crtc_helper_internal.h
@@ -32,16 +32,6 @@
#include <drm/drm_encoder.h>
#include <drm/drm_modes.h>

-/* drm_fb_helper.c */
-#ifdef CONFIG_DRM_FBDEV_EMULATION
-int drm_fb_helper_modinit(void);
-#else
-static inline int drm_fb_helper_modinit(void)
-{
- return 0;
-}
-#endif
-
/* drm_dp_aux_dev.c */
#ifdef CONFIG_DRM_DP_AUX_CHARDEV
int drm_dp_aux_dev_init(void);
diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
index 8033467db4be..ac5d61e65124 100644
--- a/drivers/gpu/drm/drm_fb_helper.c
+++ b/drivers/gpu/drm/drm_fb_helper.c
@@ -2271,24 +2271,3 @@ void drm_fbdev_generic_setup(struct drm_device *dev,
drm_client_register(&fb_helper->client);
}
EXPORT_SYMBOL(drm_fbdev_generic_setup);
-
-/* The Kconfig DRM_KMS_HELPER selects FRAMEBUFFER_CONSOLE (if !EXPERT)
- * but the module doesn't depend on any fb console symbols. At least
- * attempt to load fbcon to avoid leaving the system without a usable console.
- */
-int __init drm_fb_helper_modinit(void)
-{
-#if defined(CONFIG_FRAMEBUFFER_CONSOLE_MODULE) && !defined(CONFIG_EXPERT)
- const char name[] = "fbcon";
- struct module *fbcon;
-
- mutex_lock(&module_mutex);
- fbcon = find_module(name);
- mutex_unlock(&module_mutex);
-
- if (!fbcon)
- request_module_nowait(name);
-#endif
- return 0;
-}
-EXPORT_SYMBOL(drm_fb_helper_modinit);
diff --git a/drivers/gpu/drm/drm_kms_helper_common.c b/drivers/gpu/drm/drm_kms_helper_common.c
index 221a8528c993..f933da1656eb 100644
--- a/drivers/gpu/drm/drm_kms_helper_common.c
+++ b/drivers/gpu/drm/drm_kms_helper_common.c
@@ -64,19 +64,18 @@ MODULE_PARM_DESC(edid_firmware,

static int __init drm_kms_helper_init(void)
{
- int ret;
-
- /* Call init functions from specific kms helpers here */
- ret = drm_fb_helper_modinit();
- if (ret < 0)
- goto out;
-
- ret = drm_dp_aux_dev_init();
- if (ret < 0)
- goto out;
-
-out:
- return ret;
+ /*
+ * The Kconfig DRM_KMS_HELPER selects FRAMEBUFFER_CONSOLE (if !EXPERT)
+ * but the module doesn't depend on any fb console symbols. At least
+ * attempt to load fbcon to avoid leaving the system without a usable
+ * console.
+ */
+ if (IS_ENABLED(CONFIG_DRM_FBDEV_EMULATION) &&
+ IS_MODULE(CONFIG_FRAMEBUFFER_CONSOLE) &&
+ !IS_ENABLED(CONFIG_EXPERT))
+ request_module_nowait("fbcon");
+
+ return drm_dp_aux_dev_init();
}

static void __exit drm_kms_helper_exit(void)
diff --git a/drivers/md/bcache/btree.c b/drivers/md/bcache/btree.c
index f64834785c8b..b47c00dea0f2 100644
--- a/drivers/md/bcache/btree.c
+++ b/drivers/md/bcache/btree.c
@@ -2017,6 +2017,7 @@ int bch_btree_check(struct cache_set *c)
if (c->root->level == 0)
return 0;

+ memset(&check_state, 0, sizeof(struct btree_check_state));
check_state.c = c;
check_state.total_threads = bch_btree_chkthread_nr();
check_state.key_idx = 0;
diff --git a/drivers/md/bcache/writeback.c b/drivers/md/bcache/writeback.c
index 0145046a45f4..a878b959fbcd 100644
--- a/drivers/md/bcache/writeback.c
+++ b/drivers/md/bcache/writeback.c
@@ -901,6 +901,7 @@ void bch_sectors_dirty_init(struct bcache_device *d)
return;
}

+ memset(&state, 0, sizeof(struct bch_dirty_init_state));
state.c = c;
state.d = d;
state.total_threads = bch_btre_dirty_init_thread_nr();
diff --git a/drivers/net/ethernet/mscc/ocelot.c b/drivers/net/ethernet/mscc/ocelot.c
index a06466ecca12..a55861ea4206 100644
--- a/drivers/net/ethernet/mscc/ocelot.c
+++ b/drivers/net/ethernet/mscc/ocelot.c
@@ -1593,8 +1593,12 @@ int ocelot_init(struct ocelot *ocelot)
ocelot_write_rix(ocelot,
ANA_PGID_PGID_PGID(GENMASK(ocelot->num_phys_ports, 0)),
ANA_PGID_PGID, PGID_MC);
- ocelot_write_rix(ocelot, 0, ANA_PGID_PGID, PGID_MCIPV4);
- ocelot_write_rix(ocelot, 0, ANA_PGID_PGID, PGID_MCIPV6);
+ ocelot_write_rix(ocelot,
+ ANA_PGID_PGID_PGID(GENMASK(ocelot->num_phys_ports, 0)),
+ ANA_PGID_PGID, PGID_MCIPV4);
+ ocelot_write_rix(ocelot,
+ ANA_PGID_PGID_PGID(GENMASK(ocelot->num_phys_ports, 0)),
+ ANA_PGID_PGID, PGID_MCIPV6);

/* Allow manual injection via DEVCPU_QS registers, and byte swap these
* registers endianness.
diff --git a/fs/xfs/libxfs/xfs_attr.c b/fs/xfs/libxfs/xfs_attr.c
index 96ac7e562b87..fcca36bbd997 100644
--- a/fs/xfs/libxfs/xfs_attr.c
+++ b/fs/xfs/libxfs/xfs_attr.c
@@ -876,21 +876,18 @@ xfs_attr_node_hasname(

state = xfs_da_state_alloc(args);
if (statep != NULL)
- *statep = NULL;
+ *statep = state;

/*
* Search to see if name exists, and get back a pointer to it.
*/
error = xfs_da3_node_lookup_int(state, &retval);
- if (error) {
- xfs_da_state_free(state);
- return error;
- }
+ if (error)
+ retval = error;

- if (statep != NULL)
- *statep = state;
- else
+ if (!statep)
xfs_da_state_free(state);
+
return retval;
}

diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c
index 4304c6416fbb..4b76a32d2f16 100644
--- a/fs/xfs/xfs_aops.c
+++ b/fs/xfs/xfs_aops.c
@@ -145,6 +145,7 @@ xfs_end_ioend(
struct iomap_ioend *ioend)
{
struct xfs_inode *ip = XFS_I(ioend->io_inode);
+ struct xfs_mount *mp = ip->i_mount;
xfs_off_t offset = ioend->io_offset;
size_t size = ioend->io_size;
unsigned int nofs_flag;
@@ -160,18 +161,26 @@ xfs_end_ioend(
/*
* Just clean up the in-memory strutures if the fs has been shut down.
*/
- if (XFS_FORCED_SHUTDOWN(ip->i_mount)) {
+ if (XFS_FORCED_SHUTDOWN(mp)) {
error = -EIO;
goto done;
}

/*
- * Clean up any COW blocks on an I/O error.
+ * Clean up all COW blocks and underlying data fork delalloc blocks on
+ * I/O error. The delalloc punch is required because this ioend was
+ * mapped to blocks in the COW fork and the associated pages are no
+ * longer dirty. If we don't remove delalloc blocks here, they become
+ * stale and can corrupt free space accounting on unmount.
*/
error = blk_status_to_errno(ioend->io_bio->bi_status);
if (unlikely(error)) {
- if (ioend->io_flags & IOMAP_F_SHARED)
+ if (ioend->io_flags & IOMAP_F_SHARED) {
xfs_reflink_cancel_cow_range(ip, offset, size, true);
+ xfs_bmap_punch_delalloc_range(ip,
+ XFS_B_TO_FSBT(mp, offset),
+ XFS_B_TO_FSB(mp, size));
+ }
goto done;
}

diff --git a/fs/xfs/xfs_buf_item_recover.c b/fs/xfs/xfs_buf_item_recover.c
index d44e8b4a3391..1d649462d731 100644
--- a/fs/xfs/xfs_buf_item_recover.c
+++ b/fs/xfs/xfs_buf_item_recover.c
@@ -805,7 +805,7 @@ xlog_recover_get_buf_lsn(
}

if (lsn != (xfs_lsn_t)-1) {
- if (!uuid_equal(&mp->m_sb.sb_uuid, uuid))
+ if (!uuid_equal(&mp->m_sb.sb_meta_uuid, uuid))
goto recover_immediately;
return lsn;
}
diff --git a/fs/xfs/xfs_extfree_item.c b/fs/xfs/xfs_extfree_item.c
index 5c0395256bd1..11474770d630 100644
--- a/fs/xfs/xfs_extfree_item.c
+++ b/fs/xfs/xfs_extfree_item.c
@@ -482,7 +482,7 @@ xfs_extent_free_finish_item(
free->xefi_startblock,
free->xefi_blockcount,
&free->xefi_oinfo, free->xefi_skip_discard);
- kmem_free(free);
+ kmem_cache_free(xfs_bmap_free_item_zone, free);
return error;
}

@@ -502,7 +502,7 @@ xfs_extent_free_cancel_item(
struct xfs_extent_free_item *free;

free = container_of(item, struct xfs_extent_free_item, xefi_list);
- kmem_free(free);
+ kmem_cache_free(xfs_bmap_free_item_zone, free);
}

const struct xfs_defer_op_type xfs_extent_free_defer_type = {
@@ -564,7 +564,7 @@ xfs_agfl_free_finish_item(
extp->ext_len = free->xefi_blockcount;
efdp->efd_next_extent++;

- kmem_free(free);
+ kmem_cache_free(xfs_bmap_free_item_zone, free);
return error;
}

diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c
index 5ebd6cdc44a7..05cea7788d49 100644
--- a/fs/xfs/xfs_super.c
+++ b/fs/xfs/xfs_super.c
@@ -1695,7 +1695,10 @@ static int
xfs_remount_ro(
struct xfs_mount *mp)
{
- int error;
+ struct xfs_eofblocks eofb = {
+ .eof_flags = XFS_EOF_FLAGS_SYNC,
+ };
+ int error;

/*
* Cancel background eofb scanning so it cannot race with the final
@@ -1703,8 +1706,13 @@ xfs_remount_ro(
*/
xfs_stop_block_reaping(mp);

- /* Get rid of any leftover CoW reservations... */
- error = xfs_icache_free_cowblocks(mp, NULL);
+ /*
+ * Clear out all remaining COW staging extents and speculative post-EOF
+ * preallocations so that we don't leave inodes requiring inactivation
+ * cleanups during reclaim on a read-only mount. We must process every
+ * cached inode, so this requires a synchronous cache scan.
+ */
+ error = xfs_icache_free_cowblocks(mp, &eofb);
if (error) {
xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE);
return error;
diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c
index 9c352357fc8b..92fb738813f3 100644
--- a/kernel/time/tick-sched.c
+++ b/kernel/time/tick-sched.c
@@ -425,7 +425,6 @@ void __init tick_nohz_full_setup(cpumask_var_t cpumask)
cpumask_copy(tick_nohz_full_mask, cpumask);
tick_nohz_full_running = true;
}
-EXPORT_SYMBOL_GPL(tick_nohz_full_setup);

static int tick_nohz_cpu_down(unsigned int cpu)
{