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authorMartin Schwidefsky <schwidefsky@de.ibm.com>2006-01-14 13:21:03 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-01-14 18:27:09 -0800
commit1f1c12afe5c3e0ef901eec12dee09df4947462ee (patch)
tree157f01441ef5ddc0810d0bfebca4667c21254529 /include/asm-s390
parentbcc132651d384ad115a275868effb49c64b348ce (diff)
[PATCH] s390: cputime misaccounting
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>
Diffstat (limited to 'include/asm-s390')
-rw-r--r--include/asm-s390/system.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/include/asm-s390/system.h b/include/asm-s390/system.h
index c7c3a9ad593..b2e65e8bf81 100644
--- a/include/asm-s390/system.h
+++ b/include/asm-s390/system.h
@@ -115,13 +115,14 @@ static inline void sched_cacheflush(void)
}
#ifdef CONFIG_VIRT_CPU_ACCOUNTING
-extern void account_user_vtime(struct task_struct *);
+extern void account_vtime(struct task_struct *);
+extern void account_tick_vtime(struct task_struct *);
extern void account_system_vtime(struct task_struct *);
#endif
#define finish_arch_switch(prev) do { \
set_fs(current->thread.mm_segment); \
- account_system_vtime(prev); \
+ account_vtime(prev); \
} while (0)
#define nop() __asm__ __volatile__ ("nop")