The patch titled cpuidle-a-new-variant-of-the-menu-governor-to-boost-io-performance percpu workaround has been added to the -mm tree. Its filename is cpuidle-a-new-variant-of-the-menu-governor-to-boost-io-performance-percpu-workaround.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/SubmitChecklist when testing your code *** See http://userweb.kernel.org/~akpm/stuff/added-to-mm.txt to find out what to do about this The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/ ------------------------------------------------------ Subject: cpuidle-a-new-variant-of-the-menu-governor-to-boost-io-performance percpu workaround From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Cc: Arjan van de Ven <arjan@xxxxxxxxxxxxx> Cc: Ingo Molnar <mingo@xxxxxxx> Cc: Tejun Heo <tj@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- drivers/cpuidle/governors/menu-tng.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff -puN drivers/cpuidle/governors/menu-tng.c~cpuidle-a-new-variant-of-the-menu-governor-to-boost-io-performance-percpu-workaround drivers/cpuidle/governors/menu-tng.c --- a/drivers/cpuidle/governors/menu-tng.c~cpuidle-a-new-variant-of-the-menu-governor-to-boost-io-performance-percpu-workaround +++ a/drivers/cpuidle/governors/menu-tng.c @@ -167,7 +167,7 @@ static inline int performance_multiplier return mult; } -static DEFINE_PER_CPU(struct menu_device, menu_devices); +static DEFINE_PER_CPU(struct menu_device, menu_devices_tj_broke_it); /** * menu_select - selects the next idle state to enter @@ -175,7 +175,7 @@ static DEFINE_PER_CPU(struct menu_device */ static int menu_select(struct cpuidle_device *dev) { - struct menu_device *data = &__get_cpu_var(menu_devices); + struct menu_device *data = &__get_cpu_var(menu_devices_tj_broke_it); int latency_req = pm_qos_requirement(PM_QOS_CPU_DMA_LATENCY); int i, multiplier; @@ -241,7 +241,7 @@ static int menu_select(struct cpuidle_de */ static void menu_reflect(struct cpuidle_device *dev) { - struct menu_device *data = &__get_cpu_var(menu_devices); + struct menu_device *data = &__get_cpu_var(menu_devices_tj_broke_it); int last_idx = data->last_state_idx; unsigned int last_idle_us = cpuidle_get_last_residency(dev); struct cpuidle_state *target = &dev->states[last_idx]; @@ -297,7 +297,7 @@ static void menu_reflect(struct cpuidle_ */ static int menu_enable_device(struct cpuidle_device *dev) { - struct menu_device *data = &per_cpu(menu_devices, dev->cpu); + struct menu_device *data = &per_cpu(menu_devices_tj_broke_it, dev->cpu); memset(data, 0, sizeof(struct menu_device)); _ Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are fs-make-sure-data-stored-into-inode-is-properly-seen-before-unlocking-new-inode-fix.patch linux-next.patch next-remove-localversion.patch i-need-old-gcc.patch arch-x86-kernel-cpu-cpufreq-acpi-cpufreqc-avoid-cross-cpu-interrupts-by-using-smp_call_function_any.patch hwmon-driver-for-acpi-40-power-meters-fix.patch hwmon-driver-for-acpi-40-power-meters-fix-2.patch cpuidle-a-new-variant-of-the-menu-governor-to-boost-io-performance-fix.patch cpuidle-a-new-variant-of-the-menu-governor-to-boost-io-performance-percpu-workaround.patch video-initial-support-for-adv7180-update-fix.patch timer-stats-fix-del_timer_sync-and-try_to_del_timer_sync.patch input-drivers-input-xpadc-improve-xbox-360-wireless-support-and-add-sysfs-interface.patch input-documentation-input-xpadtxt-update-for-new-driver-functionality.patch checkincludespl-add-option-to-remove-duplicates-in-place.patch zorro8390-fix-read-buffer-overflow-in-zorro8390_init_one-checkpatch-fixes.patch 3x59x-fix-pci-resource-management.patch bluetooth-fix-for-acer-bluetooth-optical-rechargeable-mouse.patch serial167-fix-read-buffer-overflow.patch waitqueues-give-waitqueue-spinlocks-their-own-lockdep-classes-checkpatch-fixes.patch st-fix-test-of-value-range-in-st_set_options-fix.patch raw-fix-rawctl-compat-ioctls-breakage-on-amd64-and-itanic.patch libfs-make-simple_read_from_buffer-conventional.patch fs-fix-overflow-in-sys_mount-for-in-kernel-calls.patch vfs-optimize-touch_time-too.patch fs-improve-remountro-vs-buffercache-coherency-fix.patch percpu-avoid-calling-__pcpu_ptr_to_addrnull.patch mm-make-swap-token-dummies-static-inlines-fix.patch readahead-add-blk_run_backing_dev-fix.patch readahead-add-blk_run_backing_dev-fix-fix-2.patch memory-hotplug-update-zone-pcp-at-memory-online-fix.patch revert-hugetlb-restore-interleaving-of-bootmem-huge-pages-2631.patch vmscan-dont-attempt-to-reclaim-anon-page-in-lumpy-reclaim-when-no-swap-space-is-avilable.patch revert-proc-kcore-work-around-a-bug.patch arches-drop-superfluous-casts-in-nr_free_pages-callers-checkpatch-fixes.patch tracing-page-allocator-add-trace-event-for-page-traffic-related-to-the-buddy-lists-fix.patch page-allocator-maintain-rolling-count-of-pages-to-free-from-the-pcp-checkpatch-fixes.patch dev-mem-cleanup-unxlate_dev_mem_ptr-calls-fix.patch frv-duplicate-output_buffer-of-e03-checkpatch-fixes.patch printk-boot_delay-rename-printk_delay_msec-to-loops_per_msec-fix.patch printk-add-printk_delay-to-make-messages-readable-for-some-scenarios-fix.patch printk-add-printk_delay-to-make-messages-readable-for-some-scenarios-cleanup.patch generic-ipi-make-struct-call_function_data-lockless-cleanup.patch proc-connector-add-event-for-process-becoming-session-leader.patch kernel-smpc-relocate-some-code.patch mmc-register-mmci-omap-hs-using-platform_driver_probe.patch sdio-add-cd-disable-support-cleanup.patch sdio-add-mmc_quirk_lenient_fn0-fix.patch at91-atmel-mci-platform-configuration-to-the-the-atmel-mci-driver-checkpatch-fixes.patch procfs-provide-stack-information-for-threads-v011-fix.patch kcore-register-vmemmap-range-fix.patch rtc-add-driver-for-mxcs-internal-rtc-module-fix.patch rtc-add-driver-for-mxcs-internal-rtc-module-fix-fix.patch gpiolib-add-names-file-in-gpio-chip-sysfs-checkpatch-fixes.patch gpiolib-add-names-file-in-gpio-chip-sysfs-checkpatch-fixes-fix.patch davinci-fb-frame-buffer-driver-for-ti-da8xx-omap-l1xx.patch davinci-fb-frame-buffer-driver-for-ti-da8xx-omap-l1xx-v4-cleanup.patch drivers-video-add-kmalloc-null-tests-fix.patch v3-minixfs-add-missing-directory-type-checking-checkpatch-fixes.patch page-types-add-feature-for-walking-process-address-space-checkpatch-fixes.patch cgroups-add-functionality-to-read-write-lock-clone_thread-forking-per-threadgroup-fix.patch memcg-remove-the-overhead-associated-with-the-root-cgroup-fix.patch memcg-add-comments-explaining-memory-barriers-checkpatch-fixes.patch memory-controller-soft-limit-reclaim-on-contention-v9-fix.patch memcg-improve-resource-counter-scalability-checkpatch-fixes.patch exec-make-do_coredump-more-resilient-to-recursive-crashes-v9-checkpatch-fixes.patch exec-let-do_coredump-limit-the-number-of-concurrent-dumps-to-pipes-v9-checkpatch-fixes.patch elf-clean-up-fill_note_info-fix.patch net-netfilter-ipvs-ip_vs_wrrc-use-lib-gcdc-fix.patch reiser4-export-remove_from_page_cache-fix.patch reiser4.patch reiser4-remove-simple_prepare_write-usage-checkpatch-fixes.patch fs-reiser4-contextc-current_is_pdflush-got-removed.patch reiser4-fix.patch reiser4-disable.patch slab-leaks3-default-y.patch put_bh-debug.patch getblk-handle-2tb-devices.patch getblk-handle-2tb-devices-fix.patch undeprecate-pci_find_device.patch notify_change-callers-must-hold-i_mutex.patch -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html