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[PATCH] s390: cputime misaccounting

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finish_arch_switch needs to update the user cpu time as well, not just the
system cpu time.  Otherwise the partial user cpu time of a process that is
stored in the lowcore will be (mis-)accounted to the next process.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Martin Schwidefsky 2006-01-14 13:21:03 -08:00 • committed by Linus Torvalds
commit 1f1c12afe5
4 changed files with 30 additions and 8 deletions
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4
include/linux/hardirq.h
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@ -93,10 +93,6 @@ extern void synchronize_irq(unsigned int irq);
struct task_struct;
#ifndef CONFIG_VIRT_CPU_ACCOUNTING
static inline void account_user_vtime(struct task_struct *tsk)
{
}
static inline void account_system_vtime(struct task_struct *tsk)
{
}