diff mbox

[RFC,V11,2/18] x86/ticketlock: Don't inline _spin_unlock when using paravirt spinlocks

Message ID 20130722061704.24737.74372.sendpatchset@codeblue (mailing list archive)
State New, archived
Headers show

Commit Message

Raghavendra K T July 22, 2013, 6:17 a.m. UTC 
x86/ticketlock: Don't inline _spin_unlock when using paravirt spinlocks

From: Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com>

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>
---
 arch/x86/Kconfig |    1 +
 1 file changed, 1 insertion(+)


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diff mbox

Patch

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index b32ebf9..112e712 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