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| author | Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com> | 2013-08-09 19:51:50 +0530 |
|---|---|---|
| committer | H. Peter Anvin <hpa@linux.intel.com> | 2013-08-09 07:53:10 -0700 |
| commit | 8db732668a48e93d00d881517a08136e8fa71000 (patch) | |
| tree | 3ccc165a5fac51ffc31389c95d0170f478effee9 /arch/x86/Kconfig | |
| parent | 545ac13892ab391049a92108cf59a0d05de7e28c (diff) | |
| download | blackbird-op-linux-8db732668a48e93d00d881517a08136e8fa71000.tar.gz blackbird-op-linux-8db732668a48e93d00d881517a08136e8fa71000.zip | |
x86, ticketlock: Don't inline _spin_unlock when using paravirt spinlocks
The code size expands somewhat, and its better to just call
a function rather than inline it.
Thanks Jeremy for original version of ARCH_NOINLINE_SPIN_UNLOCK config patch,
which is simplified.
Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com>
Link: http://lkml.kernel.org/r/1376058122-8248-3-git-send-email-raghavendra.kt@linux.vnet.ibm.com
Acked-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'arch/x86/Kconfig')
| -rw-r--r-- | arch/x86/Kconfig | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index b32ebf92b0ce..112e71264542 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -632,6 +632,7 @@ config PARAVIRT_DEBUG config PARAVIRT_SPINLOCKS bool "Paravirtualization layer for spinlocks" depends on PARAVIRT && SMP + select UNINLINE_SPIN_UNLOCK ---help--- Paravirtualized spinlocks allow a pvops backend to replace the spinlock implementation with something virtualization-friendly |
