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| author | Peter Zijlstra <peterz@infradead.org> | 2016-08-23 13:45:15 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-10-25 11:31:51 +0200 |
| commit | a3ea3d9b865c2a8f7fe455c7fa26db4b6fd066e3 (patch) | |
| tree | 8da272debf67e0a9e562d8520187345c37eeca9f | |
| parent | locking/mutex: Kill arch specific code (diff) | |
| download | linux-a3ea3d9b865c2a8f7fe455c7fa26db4b6fd066e3.tar.xz linux-a3ea3d9b865c2a8f7fe455c7fa26db4b6fd066e3.zip | |
locking/mutex: Allow MUTEX_SPIN_ON_OWNER when DEBUG_MUTEXES
Now that mutex::count and mutex::owner are the same field, we can
allow SPIN_ON_OWNER while DEBUG_MUTEX.
Tested-by: Jason Low <jason.low2@hpe.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
| -rw-r--r-- | kernel/Kconfig.locks | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/Kconfig.locks b/kernel/Kconfig.locks index ebdb0043203a..84d882f3e299 100644 --- 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 |