The patch titled
Subject: kernel/smp.c:on_each_cpu_cond(): fix warning in fallback path
has been added to the -mm tree. Its filename is
kernel-smpc-on_each_cpu_cond-fix-warning-in-fallback-path.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/kernel-smpc-on_each_cpu_cond-fix-warning-in-fallback-path.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/kernel-smpc-on_each_cpu_cond-fix-warning-in-fallback-path.patch
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------------------------------------------------------
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Subject: kernel/smp.c:on_each_cpu_cond(): fix warning in fallback path
The rarely-executed memry-allocation-failed callback path generates a
WARN_ON_ONCE() when smp_call_function_single() succeeds. Presumably it's
supposed to warn on failures.
Reported-by: Sasha Levin <sasha.levin@xxxxxxxxxx>
Cc: Christoph Lameter <cl@xxxxxxxxxx>
Cc: Gilad Ben-Yossef <gilad@xxxxxxxxxxxxx>
Cc: David Rientjes <rientjes@xxxxxxxxxx>
Cc: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>
Cc: Tejun Heo <htejun@xxxxxxxxx>
Cc: <stable@xxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/smp.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN kernel/smp.c~a kernel/smp.c
--- a/kernel/smp.c~a
+++ a/kernel/smp.c
@@ -661,7 +661,7 @@ void on_each_cpu_cond(bool (*cond_func)(
if (cond_func(cpu, info)) {
ret = smp_call_function_single(cpu, func,
info, wait);
- WARN_ON_ONCE(!ret);
+ WARN_ON_ONCE(ret);
}
preempt_enable();
}
_
Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are
i-need-old-gcc.patch
arch-alpha-kernel-systblss-remove-debug-check.patch
maintainers-akpm-maintenance.patch
input-route-kbd-leds-through-the-generic-leds-layer.patch
kbuild-explain-stack-protector-strong-config-logic.patch
ocfs2-free-inode-when-i_count-becomes-zero-checkpatch-fixes.patch
mm.patch
slub-use-new-node-functions-checkpatch-fixes.patch
slab-use-get_node-and-kmem_cache_node-functions-fix-2.patch
slab-use-get_node-and-kmem_cache_node-functions-fix-2-fix.patch
slab-change-int-to-size_t-for-representing-allocation-size.patch
mm-page_allocc-unexport-alloc_pages_exact_nid.patch
dma-cma-support-arbitrary-bitmap-granularity-fix.patch
mm-vmallocc-add-a-schedule-point-to-vmalloc-fix.patch
include-linux-mmdebugh-add-vm_warn_once.patch
mm-catch-memory-commitment-underflow-fix.patch
mm-hugetlb-generalize-writes-to-nr_hugepages-fix.patch
mm-oom-ensure-memoryless-node-zonelist-always-includes-zones-fix.patch
kernel-smpc-on_each_cpu_cond-fix-warning-in-fallback-path.patch
mm-introduce-do_shared_fault-and-drop-do_fault-fix-fix.patch
mm-compactionc-isolate_freepages_block-small-tuneup.patch
do_shared_fault-check-that-mmap_sem-is-held.patch
list-fix-order-of-arguments-for-hlist_add_after_rcu-checkpatch-fixes.patch
add-lib-globc-fix.patch
lib-list_sortc-convert-to-pr_foo.patch
lib-list_sortc-convert-to-pr_foo-fix.patch
checkpatch-add-test-for-commit-id-formatting-style-in-commit-log.patch
binfmt_elfc-use-get_random_int-to-fix-entropy-depleting-fix.patch
rtc-add-pcf85063-support-fix.patch
fs-isofs-logging-clean-up-fix.patch
proc-remove-proc_tty_ldisc-variable-fix.patch
mmap_vmcore-skip-non-ram-pages-reported-by-hypervisors-v4-fix-fix.patch
panic-add-taint_softlockup-fix.patch
linux-next.patch
linux-next-rejects.patch
linux-next-git-rejects.patch
drivers-gpio-gpio-zevioc-fix-build.patch
kernel-posix-timersc-code-clean-up-checkpatch-fixes.patch
kexec-implementation-of-new-syscall-kexec_file_load-checkpatch-fixes.patch
kexec-support-kexec-kdump-on-efi-systems-fix.patch
ksm-provide-support-to-use-deferrable-timers-for-scanner-thread-fix.patch
ksm-provide-support-to-use-deferrable-timers-for-scanner-thread-fix-fix-2.patch
mm-replace-remap_file_pages-syscall-with-emulation-fix.patch
debugging-keep-track-of-page-owners.patch
journal_add_journal_head-debug.patch
journal_add_journal_head-debug-fix.patch
kernel-forkc-export-kernel_thread-to-modules.patch
mutex-subsystem-synchro-test-module.patch
slab-leaks3-default-y.patch
put_bh-debug.patch
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