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| author | Peter Zijlstra <peterz@infradead.org> | 2016-05-18 20:43:02 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-09-30 10:56:00 +0200 |
| commit | cfd8983f03c7b2f977faab8dfc4ec5f6dbf9c1f3 (patch) | |
| tree | f0343a19a513bfd5727c8133e62dc4d3e42bc5eb /arch/x86/Kconfig | |
| parent | Merge branch 'linus' into locking/core, to pick up fixes (diff) | |
| download | linux-cfd8983f03c7b2f977faab8dfc4ec5f6dbf9c1f3.tar.xz linux-cfd8983f03c7b2f977faab8dfc4ec5f6dbf9c1f3.zip | |
x86, locking/spinlocks: Remove ticket (spin)lock implementation
We've unconditionally used the queued spinlock for many releases now.
Its time to remove the old ticket lock code.
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: Waiman Long <waiman.long@hpe.com>
Cc: Waiman.Long@hpe.com
Cc: david.vrabel@citrix.com
Cc: dhowells@redhat.com
Cc: pbonzini@redhat.com
Cc: xen-devel@lists.xenproject.org
Link: http://lkml.kernel.org/r/20160518184302.GO3193@twins.programming.kicks-ass.net
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/Kconfig')
| -rw-r--r-- | arch/x86/Kconfig | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 2a1f0ce7c59a..0cc8811af4e0 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -705,7 +705,6 @@ config PARAVIRT_DEBUG config PARAVIRT_SPINLOCKS bool "Paravirtualization layer for spinlocks" depends on PARAVIRT && SMP - select UNINLINE_SPIN_UNLOCK if !QUEUED_SPINLOCKS ---help--- Paravirtualized spinlocks allow a pvops backend to replace the spinlock implementation with something virtualization-friendly @@ -718,7 +717,7 @@ config PARAVIRT_SPINLOCKS config QUEUED_LOCK_STAT bool "Paravirt queued spinlock statistics" - depends on PARAVIRT_SPINLOCKS && DEBUG_FS && QUEUED_SPINLOCKS + depends on PARAVIRT_SPINLOCKS && DEBUG_FS ---help--- Enable the collection of statistical data on the slowpath behavior of paravirtualized queued spinlocks and report |