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[S390] switch_to: get rid of prev == next check

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schedule() makes sure that prev != next before calling switch_to().
Therefore remove the redundant check.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Heiko Carstens 2010-10-25 16:10:19 +02:00 committed by Martin Schwidefsky
parent fdb6d070ef
commit 189b93d00f
1 changed files with 0 additions and 2 deletions
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2
arch/s390/include/asm/system.h
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@ -86,8 +86,6 @@ static inline void restore_access_regs(unsigned int *acrs)
}
#define switch_to(prev,next,last) do { \
if (prev == next) \
break; \
if (prev->mm) { \
save_fp_regs(&prev->thread.fp_regs); \
save_access_regs(&prev->thread.acrs[0]); \