linux-kernel - [PATCH 07/18] x86: apic - unify smp_apic_timer

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Date:	Sun, 24 Aug 2008 02:01:45 -0700
From:	Yinghai Lu <yhlu.kernel@...il.com>
To:	Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	Andrew Morton <akpm@...ux-foundation.org>
Cc:	linux-kernel@...r.kernel.org, Cyrill Gorcunov <gorcunov@...il.com>,
	Yinghai Lu <yhlu.kernel@...il.com>
Subject: [PATCH 07/18] x86: apic - unify smp_apic_timer_interrupt

From: Cyrill Gorcunov <gorcunov@...il.com>

Signed-off-by: Cyrill Gorcunov <gorcunov@...il.com>
Signed-off-by: Yinghai Lu <yhlu.kernel@...il.com>
---
 arch/x86/kernel/apic_32.c |    3 +++
 arch/x86/kernel/apic_64.c |    2 ++
 2 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c
index 63bebb3..0f52bdd 100644
--- a/arch/x86/kernel/apic_32.c
+++ b/arch/x86/kernel/apic_32.c
@@ -718,6 +718,9 @@ void smp_apic_timer_interrupt(struct pt_regs *regs)
 	 * Besides, if we don't timer interrupts ignore the global
 	 * interrupt lock, which is the WrongThing (tm) to do.
 	 */
+#ifdef CONFIG_X86_64
+	exit_idle();
+#endif
 	irq_enter();
 	local_apic_timer_interrupt();
 	irq_exit();
diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c
index 283968d..2e10911 100644
--- a/arch/x86/kernel/apic_64.c
+++ b/arch/x86/kernel/apic_64.c
@@ -625,7 +625,9 @@ void smp_apic_timer_interrupt(struct pt_regs *regs)
 	 * Besides, if we don't timer interrupts ignore the global
 	 * interrupt lock, which is the WrongThing (tm) to do.
 	 */
+#ifdef CONFIG_X86_64
 	exit_idle();
+#endif
 	irq_enter();
 	local_apic_timer_interrupt();
 	irq_exit();
-- 
1.5.4.5

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