diff options
| author | Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com> | 2013-08-09 10:21:50 -0400 |
|---|---|---|
| committer | H. Peter Anvin <hpa@linux.intel.com> | 2013-08-09 10:53:10 -0400 |
| commit | 8db732668a48e93d00d881517a08136e8fa71000 (patch) | |
| tree | 3ccc165a5fac51ffc31389c95d0170f478effee9 | |
| parent | 545ac13892ab391049a92108cf59a0d05de7e28c (diff) | |
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>
| -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 | |||
| 632 | config PARAVIRT_SPINLOCKS | 632 | config PARAVIRT_SPINLOCKS |
| 633 | bool "Paravirtualization layer for spinlocks" | 633 | bool "Paravirtualization layer for spinlocks" |
| 634 | depends on PARAVIRT && SMP | 634 | depends on PARAVIRT && SMP |
| 635 | select UNINLINE_SPIN_UNLOCK | ||
| 635 | ---help--- | 636 | ---help--- |
| 636 | Paravirtualized spinlocks allow a pvops backend to replace the | 637 | Paravirtualized spinlocks allow a pvops backend to replace the |
| 637 | spinlock implementation with something virtualization-friendly | 638 | spinlock implementation with something virtualization-friendly |