The patch titled
Subject: nmi-watchdog-fix-for-lockup-detector-breakage-on-resume-fix
has been removed from the -mm tree. Its filename was
nmi-watchdog-fix-for-lockup-detector-breakage-on-resume-fix.patch
This patch was dropped because it was folded into nmi-watchdog-fix-for-lockup-detector-breakage-on-resume.patch
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Subject: nmi-watchdog-fix-for-lockup-detector-breakage-on-resume-fix
fiddle with code comment
Cc: "Rafael J. Wysocki" <rjw@xxxxxxx>
Cc: Don Zickus <dzickus@xxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxx>
Cc: Mandeep Singh Baines <msb@xxxxxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Cc: Sameer Nanda <snanda@xxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/watchdog.c | 13 +++++--------
1 file changed, 5 insertions(+), 8 deletions(-)
diff -puN kernel/watchdog.c~nmi-watchdog-fix-for-lockup-detector-breakage-on-resume-fix kernel/watchdog.c
--- a/kernel/watchdog.c~nmi-watchdog-fix-for-lockup-detector-breakage-on-resume-fix
+++ a/kernel/watchdog.c
@@ -597,20 +597,17 @@ static struct notifier_block __cpuinitda
.notifier_call = cpu_callback
};
+/*
+ * On entry to suspend we force an offline->online transition on the boot CPU so
+ * that PMU state is available to that CPU when it comes back online after
+ * resume. This information is required for restarting the NMI watchdog.
+ */
void lockup_detector_bootcpu_resume(void)
{
void *cpu = (void *)(long)smp_processor_id();
- /*
- * On the suspend/resume path the boot CPU does not go though the
- * offline->online transition. This breaks the NMI detector post
- * resume. Force an offline->online transition for the boot CPU on
- * resume.
- */
cpu_callback(&cpu_nfb, CPU_DEAD, cpu);
cpu_callback(&cpu_nfb, CPU_ONLINE, cpu);
-
- return;
}
void __init lockup_detector_init(void)
_
Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are
origin.patch
linux-next.patch
linux-next-git-rejects.patch
i-need-old-gcc.patch
arch-alpha-kernel-systblss-remove-debug-check.patch
drivers-block-nvmec-stop-breaking-my-i386-build.patch
drivers-staging-zsmalloc-zsmalloc-mainc-unbork.patch
mm-fix-slab-page-_count-corruption-when-using-slub-fix.patch
tmpfs-implement-numa-node-interleaving-fix.patch
arch-x86-platform-iris-irisc-register-a-platform-device-and-a-platform-driver.patch
fs-symlink-restrictions-on-sticky-directories.patch
fs-hardlink-creation-restrictions.patch
mm.patch
mm-make-vb_alloc-more-foolproof-fix.patch
mm-compaction-handle-incorrect-migrate_unmovable-type-pageblocks-fix.patch
hugetlb-use-mmu_gather-instead-of-a-temporary-linked-list-for-accumulating-pages-fix.patch
hugetlb-use-mmu_gather-instead-of-a-temporary-linked-list-for-accumulating-pages-fix-fix.patch
memcg-add-hugetlb-extension-fix-fix.patch
hugetlbfs-add-memcg-control-files-for-hugetlbfs-use-scnprintf-instead-of-sprintf-fix.patch
memcg-move-hugetlb-resource-count-to-parent-cgroup-on-memcg-removal-fix.patch
memcg-move-hugetlb-resource-count-to-parent-cgroup-on-memcg-removal-fix-fix.patch
hugetlb-migrate-memcg-info-from-oldpage-to-new-page-during-migration-fix.patch
memcg-fix-error-code-in-hugetlb_force_memcg_empty-v2-checkpatch-fixes.patch
nmi-watchdog-quiet-down-the-boot-messages-checkpatch-fixes.patch
nmi-watchdog-fix-for-lockup-detector-breakage-on-resume.patch
nmi-watchdog-fix-for-lockup-detector-breakage-on-resume-fix-fix.patch
nmi-watchdog-fix-for-lockup-detector-breakage-on-resume-v2-fix.patch
kmsg-dev-kmsg-properly-return-possible-copy_from_user-failure.patch
btrfs-use-printk_get_level-and-printk_skip_level-add-__printf-fix-fallout-fix.patch
btrfs-use-printk_get_level-and-printk_skip_level-add-__printf-fix-fallout-checkpatch-fixes.patch
kmod-avoid-deadlock-from-recursive-kmod-call.patch
notify_change-check-that-i_mutex-is-held.patch
journal_add_journal_head-debug.patch
mutex-subsystem-synchro-test-module-fix.patch
slab-leaks3-default-y.patch
put_bh-debug.patch
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