The patch titled sched: add debug checks to idle functions has been added to the -mm tree. Its filename is sched-add-debug-checks-to-idle-functions.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://www.zip.com.au/~akpm/linux/patches/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: sched: add debug checks to idle functions From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> cpuidle might be calling these with local interrupts enabled. Cc: Venkatesh Pallipadi <venkatesh.pallipadi@xxxxxxxxx> Cc: Ingo Molnar <mingo@xxxxxxx> Cc: "Justin Mattock" <justinmattock@xxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- kernel/sched.c | 2 ++ 1 file changed, 2 insertions(+) diff -puN kernel/sched.c~sched-add-debug-checks-to-idle-functions kernel/sched.c --- a/kernel/sched.c~sched-add-debug-checks-to-idle-functions +++ a/kernel/sched.c @@ -1150,6 +1150,7 @@ void sched_clock_idle_sleep_event(void) { struct rq *rq = cpu_rq(smp_processor_id()); + WARN_ON(!irqs_disabled()); spin_lock(&rq->lock); __update_rq_clock(rq); spin_unlock(&rq->lock); @@ -1165,6 +1166,7 @@ void sched_clock_idle_wakeup_event(u64 d struct rq *rq = cpu_rq(smp_processor_id()); u64 now = sched_clock(); + WARN_ON(!irqs_disabled()); rq->idle_clock += delta_ns; /* * Override the previous timestamp and ignore all _ Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are origin.patch hotplug-memory-make-online_page-common-fix.patch disable-the-memory-controller-by-default-v3-fix.patch git-acpi.patch acpi-enable-c3-power-state-on-dell-inspiron-8200.patch git-x86-fix-warning-in-arch-x86-kernel-vsmp_64c.patch x86-ptrace-pebs-support-warning-fix.patch git-agpgart.patch cifs-suppress-warning.patch sysfs-provide-a-clue-about-the-effects-of-config_usb_device_class=y.patch i2c-renesas-highlander-fpga-smbus-support.patch git-hwmon.patch git-hrt.patch touch-screen-driver-for-the-superh-migor-board.patch git-kvm.patch pata_atiixp-simplex-clear.patch git-m32r.patch git-mips.patch git-mips-git-rejects.patch git-mmc.patch sundance-set-carrier-status-on-link-change-events.patch update-smc91x-driver-with-arm-versatile-board-info.patch git-nfsd.patch fs-nfs-callback_xdrc-suppress-uninitialiized-variable-warnings.patch arch-parisc-kernel-unalignedc-use-time_-macros.patch drivers-pcmcia-soc_commonc-convert-soc_pcmcia_sockets_lock-into-a-mutex-and-make-it-static.patch pci-hotplug-introduce-pci_slot.patch pci-hotplug-acpi-pci-slot-detection-driver.patch git-sched.patch sched-add-debug-checks-to-idle-functions.patch add-rcu_assign_index-if-ever-needed.patch scsi-fix-platform-driver-hotplug-coldplug.patch scsi-fix-section-mismatch-in-aic94xx.patch drivers-scsi-mvsasc-fix-build-warnings.patch aic79xx_core-remove-ascii-art.patch sparc32-export-empty_zero_page.patch git-unionfs.patch fix-gregkh-usb-usb-ohci-port-reset-paranoia-timeout.patch git-v9fs.patch git-vfs-vs-git-kvm.patch git-watchdog.patch git-watchdog-git-rejects.patch xfs-suppress-uninitialized-var-warnings.patch git-xtensa.patch revert-rusty-misc-timer-typesafe.patch make-module_sect_attrs-private-to-kernel-modulec-checkpatch-fixes.patch ext4-is-busted-on-m68k.patch remove-sparse-warning-for-mmzoneh-checkpatch-fixes.patch fix-invalidate_inode_pages2_range-to-not-clear-ret-checkpatch-fixes.patch mm-make-reserve_bootmem-can-crossed-the-nodes-checkpatch-fixes.patch mm-make-early_pfn_to_nid-a-c-function.patch vmalloc-show-vmalloced-areas-via-proc-vmallocinfo-checkpatch-fixes.patch vmalloc-show-vmalloced-areas-via-proc-vmallocinfo-fix-2.patch vmallocinfo-add-caller-information-checkpatch-fixes.patch page_mapping-add-ifdef-around-reference-to-swapper_space.patch smaps-account-swap-entries-sneak-in-a-coding-style-fix.patch mm-introduce-pte_special-pte-bit-fix.patch hugetlb-vmstat-events-for-huge-page-allocations-cleanup.patch mempolicy-use-struct-mempolicy-pointer-in-shmem_sb_info-fix.patch mempolicy-use-struct-mempolicy-pointer-in-shmem_sb_info-fix-fix.patch mempolicy-use-struct-mempolicy-pointer-in-shmem_sb_info-fix-fix-fix.patch vmscan-give-referenced-active-and-unmapped-pages-a-second-trip-around-the-lru.patch vm-dont-run-touch_buffer-during-buffercache-lookups.patch capabilities-implement-per-process-securebits-warning-fix.patch lsm-introduce-inode_getsecid-and-ipc_getsecid-hooks-checkpatch-fixes.patch lsm-audit-introduce-generic-audit-lsm-hooks-checkpatch-fixes.patch selinux-use-new-audit-hooks-remove-redundant-exports-checkpatch-fixes.patch audit-final-renamings-and-cleanup-checkpatch-fixes.patch arch-alpha-kernel-trapsc-use-time_-macros-fix.patch alpha-teach-the-compiler-that-bug-doesnt-return.patch make-dev-kmem-a-config-option-fix.patch misc-phantom-add-compat-ioctl-checkpatch-fixes.patch sysrq-add-show-backtrace-on-all-cpus-function-checkpatch-fixes.patch sysrq-add-show-backtrace-on-all-cpus-function-checkpatch-fixes-cleanup.patch codafs-fix-build-warning.patch lists-add-const-qualifier-to-first-arg-of-list_splice-operations-checkpatch-fixes.patch utimensat-non-conformances-and-fixes-checkpatch-fixes.patch lib-swiotlbc-cleanups.patch fs-inodec-use-hlist_for_each_entry-checkpatch-fixes.patch add-warn_on_secs-macro-simplification-fix.patch add-warn_on_secs-macro-simplification-fix-fix.patch uart_get_baud_rate-stop-mangling-termios-fix.patch drivers-acpi-thermalc-fix-build-with-config_dmi=n.patch oprofile-change-cpu_buffer-from-array-to-per_cpu-variable-checkpatch-fixes.patch vt-notifier-extension-for-accessibility-checkpatch-fixes.patch kprobes-prevent-probing-of-preempt_schedule-fix.patch kprobes-prevent-probing-of-preempt_schedule-checkpatch-fixes.patch quota-various-style-cleanups-checkpatch-fixes.patch quota-quota-core-changes-for-quotaon-on-remount-quota-ext3-make-ext3-handle-quotaon-on-remount-checkpatch-fixes.patch quota-quota-core-changes-for-quotaon-on-remount-quota-ext4-make-ext4-handle-quotaon-on-remount-checkpatch-fixes.patch quota-convert-stub-functions-from-macros-into-inlines.patch ecryptfs-make-key-module-subsystem-respect-namespaces-fix-refs-to-pid-and-user_ns-fix.patch rtc-isl1208-new-style-conversion-and-minor-bug-fixes-checkpatch-fixes.patch rtc-pcf8563-new-style-conversion-checkpatch-fixes.patch rtc-pcf8563-new-style-conversion-checkpatch-fixes-fix.patch rtc-x1205-new-style-conversion-checkpatch-fixes.patch gpiochip_reserve-fix.patch fb-add-support-for-foreign-endianness-force-it-on.patch fbcon-replace-mono_col-macro-with-static-inline-fix.patch pm-gxfb-add-hook-to-pm-console-layer-that-allows-disabling-of-suspend-vt-switch-fix.patch lxfb-add-power-management-functionality-fix.patch drivers-video-uvesafbc-fix-error-path-memory-leak.patch fb-convert-proc-fb-to-seq_file-interface-checkpatch-fixes.patch drivers-video-w100fbc-avoid-a-couple-of-error-path-null-derefs.patch x86-olpc-add-one-laptop-per-child-architecture-support-fix.patch x86-olpc-add-one-laptop-per-child-architecture-support-fix-2.patch drivers-md-use-time_before-time_before_eq-etc-checkpatch-fixes.patch pnp-use-dev_printk-for-quirk-messages-fix.patch ext2-retry-block-allocation-if-new-blocks-are-allocated-from-system-zone-comment-typo.patch ext3-retry-block-allocation-if-new-blocks-are-allocated-from-system-zone-comment-typo.patch fat_valid_media-remove-pointless-test.patch documentation-build-source-files-in-documentation-sub-dir-disable.patch revert-part-of-sched-cpuset-customize-sched-domains-core.patch reapply-sched-cpuset-customize-sched-domains-core-bits.patch cgroup-api-files-update-cpusets-to-use-cgroup-structured-file-api-fix.patch cgroups-implement-device-whitelist-v6-checkpatch-fixes.patch cgroups-implement-device-whitelist-v6-cleanups.patch cgroups-implement-device-whitelist-v6-fix.patch add-a-document-describing-the-resource-counter-abstraction-v2-fix.patch memcgroup-implement-failcounter-reset-checkpatch-fixes.patch use-vmalloc-for-mem_cgroup-allocation-v3-simplification.patch workqueues-shrink-cpu_populated_map-when-cpu-dies-fix.patch ipc-use-ipc_buildid-directly-from-ipc_addid-cleanup.patch ipc-add-definitions-of-ushort_max-and-others-checkpatch-fixes.patch ipc-sysvsem-refuse-cloneclone_sysvsemclone_newipc-cleanup.patch ipmi-run-to-completion-fixes-checkpatch-fixes.patch ipmi-style-fixes-in-the-system-interface-code-checkpatch-fixes.patch sxc-fix-printk-warnings-on-sparc32.patch elf-fix-shadowed-variables-in-fs-binfmt_elfc.patch sgi-altix-mmtimer-allow-larger-number-of-timers-per-node-fix.patch sgi-altix-mmtimer-allow-larger-number-of-timers-per-node-fix-2.patch epcac-static-functions-and-integer-as-null-pointer-fixes-checkpatch-fixes.patch isicom-bring-into-coding-style-fix.patch tty-the-big-operations-rework-fix-2.patch tty-the-big-operations-rework-isicom-fix.patch tty-the-big-operations-rework-simserial-fix.patch tty-the-big-operations-rework-vs-git-kgdb-light.patch tty-the-big-operations-rework-vs-kgdb-2.patch devpts-factor-out-pty-index-allocation-fix.patch keys-add-keyctl-function-to-get-a-security-label-fix.patch procfs-task-exe-symlink-fix.patch proc-switch-to-proc_create.patch edd-add-default-mode-config_edd_off=n-override-with-edd=onoff-fix.patch mm-bdi-export-bdi-attributes-in-sysfs-ia64-fix.patch basic-braille-screen-reader-support-ppc-fix.patch hfs-fix-warning-with-64k-page_size.patch hfsplus-fix-warning-with-64k-page_size.patch alloc_uid-cleanup.patch add-macros-similar-to-min-max-min_t-max_t.patch rename-div64_64-to-div64_u64-fix.patch idr-create-idr_layer_cache-at-boot-time-fix.patch idr-create-idr_layer_cache-at-boot-time-fix-fix.patch edac-add-e752x-parameter-for-sysbus_parity-selection-checkpatch-fixes.patch ncpfs-use-get-put_unaligned_-helpers-checkpatch-fixes.patch relayfs-support-larger-relay-buffer-take-3-cleanup.patch reiser4.patch jens-broke-reiser4patch-added-to-mm-tree.patch page-owner-tracking-leak-detector.patch nr_blockdev_pages-in_interrupt-warning.patch slab-leaks3-default-y.patch put_bh-debug.patch shrink_slab-handle-bad-shrinkers.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 profile-likely-unlikely-macros.patch profile-likely-unlikely-macros-fix.patch drivers-net-bonding-bond_sysfsc-suppress-uninitialized-var-warning.patch w1-build-fix.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