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authorHeiko Carstens <heiko.carstens@de.ibm.com>2013-09-28 11:23:59 +0200
committerHeiko Carstens <heiko.carstens@de.ibm.com>2013-09-28 12:46:21 +0200
commit083986e8248d978b6c961d3da6beb0c921c68220 (patch)
tree1a760afa3f006b21d2464a226c2792dc59ab845d /lib/lockref.c
parent6cac446bd37d9381815fe4c2b0e7b1fd1085000c (diff)
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mutex: replace CONFIG_HAVE_ARCH_MUTEX_CPU_RELAX with simple ifdef
Linus suggested to replace #ifndef CONFIG_HAVE_ARCH_MUTEX_CPU_RELAX #define arch_mutex_cpu_relax() cpu_relax() #endif with just a simple #ifndef arch_mutex_cpu_relax # define arch_mutex_cpu_relax() cpu_relax() #endif to get rid of CONFIG_HAVE_CPU_RELAX_SIMPLE. So architectures can simply define arch_mutex_cpu_relax if they want an architecture specific function instead of having to add a select statement in their Kconfig in addition. Suggested-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
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