The patch titled
Subject: dump_stack-avoid-the-livelock-of-the-dump_lock-fix
has been added to the -mm tree. Its filename is
dump_stack-avoid-the-livelock-of-the-dump_lock-fix.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/dump_stack-avoid-the-livelock-of-the-dump_lock-fix.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/dump_stack-avoid-the-livelock-of-the-dump_lock-fix.patch
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*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***
The -mm tree is included into linux-next and is updated
there every 3-4 working days
------------------------------------------------------
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Subject: dump_stack-avoid-the-livelock-of-the-dump_lock-fix
fix comment
Cc: Kevin Hao <haokexin@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
lib/dump_stack.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
--- a/lib/dump_stack.c~dump_stack-avoid-the-livelock-of-the-dump_lock-fix
+++ a/lib/dump_stack.c
@@ -107,8 +107,9 @@ retry:
} else {
local_irq_restore(flags);
/*
- * Wait the lock to release before jumping to atomic_cmpxchg()
- * in order to mitigate the thundering herd problem.
+ * Wait for the lock to release before jumping to
+ * atomic_cmpxchg() in order to mitigate the thundering herd
+ * problem.
*/
do { cpu_relax(); } while (atomic_read(&dump_lock) != -1);
goto retry;
_
Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are
ocfs2-protect-extent-tree-in-the-ocfs2_prepare_inode_for_write-checkpatch-fixes.patch
mm-vmstat-reduce-zone-lock-holding-time-by-proc-pagetypeinfo-fix.patch
dump_stack-avoid-the-livelock-of-the-dump_lock-fix.patch
mm.patch
mm-swap-disallow-swapon-on-zoned-block-devices-fix.patch
mm-pgmap-use-correct-alignment-when-looking-at-first-pfn-from-a-region-checkpatch-fixes.patch
mm-oom-avoid-printk-iteration-under-rcu-fix.patch
hugetlb-remove-duplicated-code-checkpatch-fixes.patch
hugetlb-remove-unused-hstate-in-hugetlb_fault_mutex_hash-fix.patch
mm-annotate-refault-stalls-from-swap_readpage-fix.patch
usb-kcov-collect-coverage-from-hub_event-fix.patch
linux-next-git-rejects.patch
diff-sucks.patch
drivers-block-null_blk_mainc-fix-layout.patch
drivers-block-null_blk_mainc-fix-uninitialized-var-warnings.patch
bitops-introduce-the-for_each_set_clump8-macro-fix-fix.patch
drivers-tty-serial-sh-scic-suppress-warning.patch
kernel-forkc-export-kernel_thread-to-modules.patch
