linux-kernel - [PATCH 12/13] x86/pvticketlock: make sure unlock

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Message-Id: <59ac6dc9120d440f45fa997910b5d396461c60f5.1314922370.git.jeremy.fitzhardinge@citrix.com>
Date:	Thu,  1 Sep 2011 17:55:05 -0700
From:	Jeremy Fitzhardinge <jeremy@...p.org>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...e.hu>,
	the arch/x86 maintainers <x86@...nel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Nick Piggin <npiggin@...nel.dk>, Avi Kivity <avi@...hat.com>,
	Marcelo Tosatti <mtosatti@...hat.com>,
	KVM <kvm@...r.kernel.org>, Andi Kleen <andi@...stfloor.org>,
	Xen Devel <xen-devel@...ts.xensource.com>,
	Jeremy Fitzhardinge <jeremy.fitzhardinge@...rix.com>
Subject: [PATCH 12/13] x86/pvticketlock: make sure unlock_kick pvop call is inlined

From: Jeremy Fitzhardinge <jeremy.fitzhardinge@...rix.com>

Otherwise the generated code for raw_spin_lock will look awful.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@...rix.com>
---
 arch/x86/include/asm/paravirt.h |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h
index b89699a..a6f2651 100644
--- a/arch/x86/include/asm/paravirt.h
+++ b/arch/x86/include/asm/paravirt.h
@@ -741,12 +741,12 @@ static inline void __set_fixmap(unsigned /* enum fixed_addresses */ idx,
 
 #if defined(CONFIG_SMP) && defined(CONFIG_PARAVIRT_SPINLOCKS)
 
-static inline void __ticket_lock_spinning(struct arch_spinlock *lock, unsigned ticket)
+static __always_inline void __ticket_lock_spinning(struct arch_spinlock *lock, unsigned ticket)
 {
 	PVOP_VCALLEE2(pv_lock_ops.lock_spinning, lock, ticket);
 }
 
-static inline void __ticket_unlock_kick(struct arch_spinlock *lock, unsigned ticket)
+static __always_inline void __ticket_unlock_kick(struct arch_spinlock *lock, unsigned ticket)
 {
 	PVOP_VCALL2(pv_lock_ops.unlock_kick, lock, ticket);
 }
-- 
1.7.6

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