[tip:x86/spinlocks] x86, ticketlock: Don't inline _spin_unlock when using paravirt spinlocks

From: tip-bot for Raghavendra K T
Date: Sat Aug 10 2013 - 12:14:16 EST

Commit-ID: 8db732668a48e93d00d881517a08136e8fa71000
Gitweb: http://git.kernel.org/tip/8db732668a48e93d00d881517a08136e8fa71000
Author: Raghavendra K T <raghavendra.kt@xxxxxxxxxxxxxxxxxx>
AuthorDate: Fri, 9 Aug 2013 19:51:50 +0530
Committer: H. Peter Anvin <hpa@xxxxxxxxxxxxxxx>
CommitDate: Fri, 9 Aug 2013 07:53:10 -0700

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@xxxxxxxxxxxxxxxxxxxx>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
Signed-off-by: Raghavendra K T <raghavendra.kt@xxxxxxxxxxxxxxxxxx>
Link: http://lkml.kernel.org/r/1376058122-8248-3-git-send-email-raghavendra.kt@xxxxxxxxxxxxxxxxxx
Acked-by: Ingo Molnar <mingo@xxxxxxxxxx>
Signed-off-by: H. Peter Anvin <hpa@xxxxxxxxxxxxxxx>
arch/x86/Kconfig | 1 +
1 file changed, 1 insertion(+)

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
bool "Paravirtualization layer for spinlocks"
depends on PARAVIRT && SMP
Paravirtualized spinlocks allow a pvops backend to replace the
spinlock implementation with something virtualization-friendly
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