Messages in this thread Patch in this message | | | Date | Thu, 25 Aug 2016 20:37:37 +0200 | From | Peter Zijlstra <> | Subject | [RFC][PATCH -v2 3/4] locking/mutex: Allow MUTEX_SPIN_ON_OWNER when DEBUG_MUTEXES |
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Now that mutex::count and mutex::owner are the same field, we can allow SPIN_ON_OWNER while DEBUG_MUTEX.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> --- kernel/Kconfig.locks | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/kernel/Kconfig.locks +++ b/kernel/Kconfig.locks @@ -225,7 +225,7 @@ config ARCH_SUPPORTS_ATOMIC_RMW config MUTEX_SPIN_ON_OWNER def_bool y - depends on SMP && !DEBUG_MUTEXES && ARCH_SUPPORTS_ATOMIC_RMW + depends on SMP && ARCH_SUPPORTS_ATOMIC_RMW config RWSEM_SPIN_ON_OWNER def_bool y
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