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authorHeiko Carstens <heiko.carstens@de.ibm.com>2010-10-25 16:10:19 +0200
committerMartin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com>2010-10-25 16:10:16 +0200
commit189b93d00fd6f71b013ad472fd72c0f043b160a9 (patch)
tree3379307a3f932579613f197ef189bbd78ab85bec /arch/s390
parent[S390] switch_to: dont restore/save access & fpu regs for kernel threads (diff)
downloadlinux-189b93d00fd6f71b013ad472fd72c0f043b160a9.tar.xz
linux-189b93d00fd6f71b013ad472fd72c0f043b160a9.zip
[S390] switch_to: get rid of prev == next check
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>
Diffstat (limited to 'arch/s390')
-rw-r--r--arch/s390/include/asm/system.h2
1 files changed, 0 insertions, 2 deletions
diff --git a/arch/s390/include/asm/system.h b/arch/s390/include/asm/system.h
index c35d0a383f00..3c079dd5ee79 100644
--- a/arch/s390/include/asm/system.h
+++ b/arch/s390/include/asm/system.h
@@ -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]); \