The patch titled
time: simplify smp_call_function_single() call sequence
has been added to the -mm tree. Its filename is
time-simplify-smp_call_function_single-call-sequence.patch
*** 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
------------------------------------------------------
Subject: time: simplify smp_call_function_single() call sequence
From: Avi Kivity <avi@xxxxxxxxxxxx>
smp_call_function_single() now knows how to call the function on the
current cpu.
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxx>
Signed-off-by: Avi Kivity <avi@xxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/time/tick-broadcast.c | 17 ++++-------------
1 files changed, 4 insertions(+), 13 deletions(-)
diff -puN kernel/time/tick-broadcast.c~time-simplify-smp_call_function_single-call-sequence kernel/time/tick-broadcast.c
--- a/kernel/time/tick-broadcast.c~time-simplify-smp_call_function_single-call-sequence
+++ a/kernel/time/tick-broadcast.c
@@ -258,21 +258,12 @@ out:
*/
void tick_broadcast_on_off(unsigned long reason, int *oncpu)
{
- int cpu = get_cpu();
-
- if (!cpu_isset(*oncpu, cpu_online_map)) {
+ if (!cpu_isset(*oncpu, cpu_online_map))
printk(KERN_ERR "tick-braodcast: ignoring broadcast for "
"offline CPU #%d\n", *oncpu);
- } else {
-
- if (cpu == *oncpu)
- tick_do_broadcast_on_off(&reason);
- else
- smp_call_function_single(*oncpu,
- tick_do_broadcast_on_off,
- &reason, 1, 1);
- }
- put_cpu();
+ else
+ smp_call_function_single(*oncpu, tick_do_broadcast_on_off,
+ &reason, 1, 1);
}
/*
_
Patches currently in -mm which might be from avi@xxxxxxxxxxxx are
ia64-allow-smp_call_function_single-to-current-cpu.patch
git-kvm.patch
cpuid-driver-simplify-smp_call_function_single-call-sequence.patch
msr-driver-simplify-smp_call_function_single-call-sequence.patch
time-simplify-smp_call_function_single-call-sequence.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
