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authorIngo Molnar <mingo@kernel.org>2012-10-30 08:33:01 +0100
committerIngo Molnar <mingo@kernel.org>2012-10-30 08:33:01 +0100
commit38ca9c927c7d3db61f57e3d3a9334958c3af6e9a (patch)
tree58be18cf3dce7a407c84ab2532e92bdb8b7ee067 /arch/s390/kernel/vtime.c
parente9c84cb8d5f1b1ea6fcbe6190d51dc84b6975938 (diff)
parent3e1df4f506836e6bea1ab61cf88c75c8b1840643 (diff)
downloadlinux-38ca9c927c7d3db61f57e3d3a9334958c3af6e9a.tar.gz
Merge tag 'cputime-cleanups-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks into sched/core
Pull cputime cleanups and optimizations from Frederic Weisbecker:

 * Gather vtime headers that were a bit scattered around

 * Separate irqtime and vtime namespaces that were
   colliding, resulting in useless calls to irqtime accounting.

 * Slightly optimize irq and guest vtime accounting.

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/s390/kernel/vtime.c')
-rw-r--r--arch/s390/kernel/vtime.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/s390/kernel/vtime.c b/arch/s390/kernel/vtime.c
index 790334427895..783e988c4e1e 100644
--- a/arch/s390/kernel/vtime.c
+++ b/arch/s390/kernel/vtime.c
@@ -140,6 +140,10 @@ void vtime_account(struct task_struct *tsk)
 }
 EXPORT_SYMBOL_GPL(vtime_account);
 
+void __vtime_account_system(struct task_struct *tsk)
+__attribute__((alias("vtime_account")));
+EXPORT_SYMBOL_GPL(__vtime_account_system);
+
 void __kprobes vtime_stop_cpu(void)
 {
 	struct s390_idle_data *idle = &__get_cpu_var(s390_idle);