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| author |   Peter Zijlstra <peterz@infradead.org> | 2015-09-05 16:55:05 +0200 |
|---|---|---|
| committer |   Ingo Molnar <mingo@kernel.org> | 2015-09-11 07:50:12 +0200 |
| commit | a6b277857fd2c990bc208ca1958d3f34d26052f7 (patch) | |
| tree | 6d0095d2e38945130bb730b70ca1f98b17759238 /Documentation | |
| parent | locking/qspinlock/x86: Fix performance regression under unaccelerated VMs (diff) | |
| download | linux-dev-a6b277857fd2c990bc208ca1958d3f34d26052f7.tar.xz linux-dev-a6b277857fd2c990bc208ca1958d3f34d26052f7.zip | |
locking/qspinlock/x86: Only emit the test-and-set fallback when building guest support
Only emit the test-and-set fallback for Hypervisors lacking
PARAVIRT_SPINLOCKS support when building for guests.
Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Cc: stable@vger.kernel.org # 4.2
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'Documentation')
0 files changed, 0 insertions, 0 deletions