The patch titled
x86_64: speedup touch_nmi_watchdog
has been removed from the -mm tree. Its filename was
x86_64-speedup-touch_nmi_watchdog.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
Subject: x86_64: speedup touch_nmi_watchdog
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Avoid dirtying remote cpu's memory if it already has the correct value.
Cc: Andi Kleen <ak@xxxxxxx>
Cc: Konrad Rzeszutek <konrad@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/x86_64/kernel/nmi.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff -puN arch/x86_64/kernel/nmi.c~x86_64-speedup-touch_nmi_watchdog arch/x86_64/kernel/nmi.c
--- a/arch/x86_64/kernel/nmi.c~x86_64-speedup-touch_nmi_watchdog
+++ a/arch/x86_64/kernel/nmi.c
@@ -296,7 +296,7 @@ static DEFINE_PER_CPU(unsigned, last_irq
static DEFINE_PER_CPU(local_t, alert_counter);
static DEFINE_PER_CPU(int, nmi_touch);
-void touch_nmi_watchdog (void)
+void touch_nmi_watchdog(void)
{
if (nmi_watchdog > 0) {
unsigned cpu;
@@ -306,8 +306,10 @@ void touch_nmi_watchdog (void)
* do it ourselves because the alert count increase is not
* atomic.
*/
- for_each_present_cpu (cpu)
- per_cpu(nmi_touch, cpu) = 1;
+ for_each_present_cpu(cpu) {
+ if (per_cpu(nmi_touch, cpu) != 1)
+ per_cpu(nmi_touch, cpu) = 1;
+ }
}
touch_softlockup_watchdog();
_
Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are
origin.patch
git-acpi.patch
git-acpi-fix-git-rejects.patch
acpi-add-reboot-mechanism-fix.patch
git-alsa.patch
working-3d-dri-intel-agpko-resume-for-i815-chip.patch
git-cifs.patch
revert-gregkh-driver-block-device.patch
driver-core-check-return-code-of-sysfs_create_link.patch
revert-saa7134-fix-thread-shutdown-handling.patch
git-dvb.patch
git-dvb-saa7134-tvaudio-fix.patch
git-kbuild.patch
git-kvm.patch
git-leds.patch
libata-add-irq_flags-to-struct-pata_platform_info-fix.patch
git-mips-fixup.patch
git-mtd.patch
git-ubi.patch
e1000new-build-fix.patch
e1000new-build-fix-2.patch
revert-gregkh-pci-pci_bridge-device.patch
aacraid-rename-check_reset.patch
git-unionfs.patch
git-block-vs-git-unionfs.patch
git-watchdog.patch
x86_64-mm-xen-attempt-to-patch-inline-versions-of-common-operations.patch
fix-x86_64-numa-fake-apicid_to_node-mapping-for-fake-numa-2.patch
fix-x86_64-mm-sched-clock-share.patch
fix-x86_64-mm-add-common-orderly_poweroff.patch
i386-add-support-for-picopower-irq-router.patch
x86_64-extract-helper-function-from-e820_register_active_regions.patch
mmconfig-x86_64-i386-insert-unclaimed-mmconfig-resources.patch
x86_64-fix-smp_call_function_single-return-value.patch
i386-flush_tlb_kernel_range-add-reference-to-the-arguments.patch
mmconfig-validate-against-acpi-motherboard-resources.patch
x86_64-irq-check-remote-irr-bit-before-migrating-level-triggered-irq-v3.patch
x86-64-calgary-introduce-chipset-specific-ops.patch
x86-64-calgary-add-chip_ops-and-a-quirk-function-for-calioc2.patch
x86-64-calgary-reserve-tces-with-the-same-address-as-mem-regions.patch
x86-64-calgary-fix-few-style-problems-pointed-out-by-checkpatchpl.patch
i386-do-not-restore-reserved-memory-after-hibernation.patch
paravirt-helper-to-disable-all-io-space-fix.patch
i386-show-unhandled-signals.patch
x86_84-move-iommu-declaration-from-proto-to-iommuh.patch
i386-add-cpu_relax-to-cmos_lock.patch
x86_64-flush_tlb_kernel_range-warning-fix.patch
x86_64-add-ioapic-nmi-support.patch
ntp-move-the-cmos-update-code-into-ntpc.patch
x86_64-dynticks-disable-hpet_id_legsup-hpets.patch
x86_64-get-mp_bus_to_node-as-early.patch
ich-force-hpet-ich7-or-later-quirk-to-force-detect-enable.patch
ich-force-hpet-ich5-quirk-to-force-detect-enable.patch
git-xfs.patch
git-kgdb-fixup.patch
vmscan-give-referenced-active-and-unmapped-pages-a-second-trip-around-the-lru.patch
mm-merge-populate-and-nopage-into-fault-fixes-nonlinear.patch
fs-introduce-write_begin-write_end-and-perform_write-aops.patch
bias-the-location-of-pages-freed-for-min_free_kbytes-in-the-same-max_order_nr_pages-blocks.patch
maps2-move-the-page-walker-code-to-lib.patch
maps2-add-proc-pid-pagemap-interface.patch
slub-slab-validation-move-tracking-information-alloc-outside-of-melstuff.patch
file-capabilities-clear-caps-cleanup-fix.patch
freezer-run-show_state-when-freezing-times-out.patch
pm-introduce-hibernation-and-suspend-notifiers.patch
pm-disable-usermode-helper-before-hibernation-and-suspend.patch
cache-pipe-buf-page-address-for-non-highmem-arch.patch
writeback-fix-time-ordering-of-the-per-superblock-dirty-inode-lists.patch
writeback-fix-time-ordering-of-the-per-superblock-dirty-inode-lists-2.patch
writeback-fix-time-ordering-of-the-per-superblock-dirty-inode-lists-3.patch
writeback-fix-time-ordering-of-the-per-superblock-dirty-inode-lists-4.patch
writeback-fix-comment-use-helper-function.patch
writeback-fix-time-ordering-of-the-per-superblock-dirty-inode-lists-5.patch
writeback-fix-time-ordering-of-the-per-superblock-dirty-inode-lists-6.patch
writeback-fix-time-ordering-of-the-per-superblock-dirty-inode-lists-7.patch
lguest-the-host-code.patch
lguest-the-net-driver.patch
intel-iommu-pci-generic-helper-function.patch
intel-iommu-iova-allocation-and-management-routines.patch
intel-iommu-intel-iommu-driver.patch
intel-iommu-iommu-floppy-workaround.patch
revoke-wire-up-i386-system-calls.patch
revoke-vs-git-block.patch
kernel-doc-fix-leading-dot-in-man-mode-output.patch
coredump-masking-reimplementation-of-dumpable-using-two-flags.patch
drivers-edac-new-i82443bxgz-mc-driver-broken.patch
drivers-edac-fix-e752x-reversed-csrows-fix.patch
drivers-edac-new-pasemi-driver-fix.patch
containersv10-basic-container-framework-fix.patch
containersv10-basic-container-framework-fix-2.patch
containersv10-example-cpu-accounting-subsystem-fix.patch
containersv10-add-tasks-file-interface-fix.patch
containersv10-add-fork-exit-hooks-fix.patch
containersv10-add-container_clone-interface-fix.patch
containersv10-add-procfs-interface-fix.patch
containersv10-share-css_group-arrays-between-tasks-with-same-container-memberships-fix.patch
containersv10-simple-debug-info-subsystem-fix.patch
containersv10-simple-debug-info-subsystem-fix-2.patch
add-containerstats-v3-fix.patch
lockstat-core-infrastructure.patch
lockdep-various-fixes.patch
lockstat-measure-lock-bouncing.patch
some-kmalloc-memset-kzalloc-tree-wide.patch
reiser4.patch
git-block-vs-reiser4.patch
page-owner-tracking-leak-detector.patch
check_dirty_inode_list.patch
alloc_pages-debug.patch
w1-build-fix.patch
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