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Subject[PATCH 11/14] x86/ticketlock: don't inline _spin_unlock when using paravirt spinlocks
Date
From: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>

The code size expands somewhat, and its probably better to just call
a function rather than inline it.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
---
arch/x86/Kconfig | 3 +++
kernel/Kconfig.locks | 2 +-
2 files changed, 4 insertions(+), 1 deletions(-)
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index e832768..a615c9c 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -531,6 +531,9 @@ config PARAVIRT_SPINLOCKS

If you are unsure how to answer this question, answer N.

+config ARCH_NOINLINE_SPIN_UNLOCK
+ def_bool PARAVIRT_SPINLOCKS
+
config PARAVIRT_CLOCK
bool

diff --git a/kernel/Kconfig.locks b/kernel/Kconfig.locks
index 88c92fb..3216c22 100644
--- a/kernel/Kconfig.locks
+++ b/kernel/Kconfig.locks
@@ -125,7 +125,7 @@ config INLINE_SPIN_LOCK_IRQSAVE
ARCH_INLINE_SPIN_LOCK_IRQSAVE

config INLINE_SPIN_UNLOCK
- def_bool !DEBUG_SPINLOCK && (!PREEMPT || ARCH_INLINE_SPIN_UNLOCK)
+ def_bool !DEBUG_SPINLOCK && (!PREEMPT || ARCH_INLINE_SPIN_UNLOCK) && !ARCH_NOINLINE_SPIN_UNLOCK

config INLINE_SPIN_UNLOCK_BH
def_bool !DEBUG_SPINLOCK && ARCH_INLINE_SPIN_UNLOCK_BH
--
1.7.2.3


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