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[S390] nohz: optimize arch_needs_cpu()
authorHeiko Carstens <heiko.carstens@de.ibm.com>
Wed, 5 Jan 2011 11:47:55 +0000 (12:47 +0100)
committerMartin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com>
Wed, 5 Jan 2011 11:47:28 +0000 (12:47 +0100)
commit37e8952174c6c239d1c86125e032fd6ad107a3e6
tree0352a8b0401b02aa448629a4d7059fedf6203868tree | snapshot
parent90adac58d1a4daf3560739ff5b76497d5ece16c4commit | diff
[S390] nohz: optimize arch_needs_cpu()

arch_needs_cpu() gets always executed on the current cpu. Therefore
the cpu parameter can be ignored it is possible to use __get_cpu_var()
instead of per_cpu() to access the per_cpu variable, which will
generate better code.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
arch/s390/include/asm/cputime.h diff | blob | history
Domain: System / Kernel;