The patch titled
arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c: don't open-code smp_call_function_many()
has been added to the -mm tree. Its filename is
arch-x86-kernel-cpu-cpufreq-acpi-cpufreqc-dont-open-code-smp_call_function_many.patch
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------------------------------------------------------
Subject: arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c: don't open-code smp_call_function_many()
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Cc: Rusty Russell <rusty@xxxxxxxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxx>
Cc: Venkatesh Pallipadi <venkatesh.pallipadi@xxxxxxxxx>
Cc: Len Brown <len.brown@xxxxxxxxx>
Cc: Zhao Yakui <yakui.zhao@xxxxxxxxx>
Cc: Dave Jones <davej@xxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Mike Galbraith <efault@xxxxxx>
Cc: "Zhang, Yanmin" <yanmin_zhang@xxxxxxxxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c | 9 +++------
1 file changed, 3 insertions(+), 6 deletions(-)
diff -puN arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c~arch-x86-kernel-cpu-cpufreq-acpi-cpufreqc-dont-open-code-smp_call_function_many arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
--- a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c~arch-x86-kernel-cpu-cpufreq-acpi-cpufreqc-dont-open-code-smp_call_function_many
+++ a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
@@ -153,7 +153,7 @@ struct drv_cmd {
u32 val;
};
-/* Called via smp_call_function_single(), on the target CPU */
+/* Called via smp_call_function(), on the target CPU */
static void do_drv_read(void *_cmd)
{
struct drv_cmd *cmd = _cmd;
@@ -173,7 +173,7 @@ static void do_drv_read(void *_cmd)
}
}
-/* Called via smp_call_function_single(), on the target CPU */
+/* Called via smp_call_function(), on the target CPU */
static void do_drv_write(void *_cmd)
{
struct drv_cmd *cmd = _cmd;
@@ -217,10 +217,7 @@ static void drv_read(struct drv_cmd *cmd
static void drv_write(struct drv_cmd *cmd)
{
- unsigned int cpu;
-
- for_each_cpu(cpu, cmd->mask)
- smp_call_function_single(cpu, do_drv_write, cmd, 1);
+ smp_call_function_many(cmd->mask, do_drv_write, cmd, 1);
}
static u32 get_cur_val(const struct cpumask *mask)
_
Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are
origin.patch
i2c-too-much-compiler-noise.patch
linux-next.patch
linux-next-git-rejects.patch
next-remove-localversion.patch
i-need-old-gcc.patch
toshiba_acpi-add-full-hotkey-support.patch
arch-x86-kernel-cpu-cpufreq-acpi-cpufreqc-avoid-using-work_on_cpu.patch
arch-x86-kernel-cpu-cpufreq-acpi-cpufreqc-avoid-cross-cpu-interrupts.patch
arch-x86-kernel-cpu-cpufreq-acpi-cpufreqc-avoid-cross-cpu-interrupts-fix.patch
arch-x86-kernel-acpi-cstatec-avoid-using-work_on_cpu.patch
arch-x86-kernel-cpu-cpufreq-acpi-cpufreqc-dont-open-code-smp_call_function_many.patch
early-platform-driver-v3.patch
clocksource-pass-clocksource-to-read-callback.patch
input-bcm5974-declare-alignment-usage.patch
input-keyboard-introduce-lm8323-driver.patch
drivers-input-xpadc-improve-xbox-360-wireless-support-and-add-sysfs-interface-checkpatch-fixes.patch
input-documentation-input-xpadtxt-update-for-new-driver-functionality-checkpatch-fixes.patch
mips-cacheflush-system-call-not-returning-einval-checkpatch-fixes.patch
mtd-flex-onenand-support.patch
misdn-l1oip-reduce-stack-memory-footprint.patch
drivers-net-82596c-suppress-warnings.patch
pci-quirks-unhide-overflow-device-on-i828675p-pe-chipsets-v2.patch
raw-fix-rawctl-compat-ioctls-breakage-on-amd64-and-itanic.patch
libfs-make-simple_read_from_buffer-conventional.patch
vfs-kill-vfs_stat_fd-vfs_lstat_fd-fix.patch
xtensa-add-flat-support-checkpatch-fixes.patch
hfs-fix-memory-leak-when-unmounting-fix.patch
memcg-remove-warning-when-config_debug_vm=n-fix.patch
shmem-respect-max_lfs_filesize-fix.patch
shmem-respect-max_lfs_filesize-fix-fix.patch
shmem-respect-max_lfs_filesize-fix-2.patch
scsi-dpt_i2o-is-bust-on-ia64.patch
input-add-a-dmi-table-for-the-i8042reset-option-make-msi-wind-u-100-work.patch
mm-consolidate-init_mm-definition-fix.patch
readahead-record-mmap-read-around-states-in-file_ra_state-checkpatch-fixes.patch
readahead-introduce-context-readahead-algorithm-fix.patch
frv-duplicate-output_buffer-of-e03-checkpatch-fixes.patch
m68k-count-can-reach-51-not-50.patch
flat-fix-data-sections-alignment.patch
gru-support-for-asynchronous-gru-instructions-fix.patch
reiser4-export-remove_from_page_cache-fix.patch
reiser4.patch
reiser4-remove-simple_prepare_write-usage-checkpatch-fixes.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
drivers-net-bonding-bond_sysfsc-suppress-uninitialized-var-warning.patch
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