The patch titled
fix bogus hotplug cpu warning
has been added to the -mm tree. Its filename is
fix-bogus-hotplug-cpu-warning.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: fix bogus hotplug cpu warning
From: Hugh Dickins <hugh@xxxxxxxxxxx>
Fix bogus DEBUG_PREEMPT warning on x86_64, when cpu brought online after
bootup: current_is_keventd is right to note its use of smp_processor_id is
preempt-safe, but should use raw_smp_processor_id to avoid the warning.
Signed-off-by: Hugh Dickins <hugh@xxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/workqueue.c | 2 +-
1 files changed, 1 insertion(+), 1 deletion(-)
diff -puN kernel/workqueue.c~fix-bogus-hotplug-cpu-warning kernel/workqueue.c
--- a/kernel/workqueue.c~fix-bogus-hotplug-cpu-warning
+++ a/kernel/workqueue.c
@@ -635,7 +635,7 @@ int keventd_up(void)
int current_is_keventd(void)
{
struct cpu_workqueue_struct *cwq;
- int cpu = smp_processor_id(); /* preempt-safe: keventd is per-cpu */
+ int cpu = raw_smp_processor_id(); /* preempt-safe: keventd is per-cpu */
int ret = 0;
BUG_ON(!keventd_wq);
_
Patches currently in -mm which might be from hugh@xxxxxxxxxxx are
fix-bogus-hotplug-cpu-warning.patch
check-for-pageslab-in-arch-flush_dcache_page-to-avoid-triggering-vm_bug_on.patch
pa-risc-use-page-allocator-instead-of-slab-allocator.patch
mm-clarify-__add_to_swap_cache-locking.patch
mm-clarify-__add_to_swap_cache-locking-fix.patch
radix-tree-use-indirect-bit.patch
introduce-write_begin-write_end-aops-important-fix.patch
reiserfs-convert-to-new-aops-fix.patch
hostfs-convert-to-new-aops-fix.patch
affs-convert-to-new-aops-fix.patch
flush-cache-before-installing-new-page-at-migraton.patch
flush-icache-before-set_pte-on-ia64-flush-icache-at-set_pte.patch
flush-icache-before-set_pte-on-ia64-flush-icache-at-set_pte-fix.patch
flush-icache-before-set_pte-on-ia64-flush-icache-at-set_pte-fix-update.patch
mm-shmemc-make-3-functions-static.patch
ext2-reservations.patch
fix-for-ext2-reservation.patch
ext2-balloc-use-io_error-label.patch
add-__gfp_movable-for-callers-to-flag-allocations-from-high-memory-that-may-be-migrated-swap-prefetch.patch
prio_tree-debugging-patch.patch
-
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