linux-kernel - [PATCH 2/2] x86, apbt: setup affinity for apb timers acting as per-cpu timer

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Date:	Fri,  3 Dec 2010 11:51:38 +0800
From:	Feng Tang <feng.tang@...el.com>
To:	linux-kernel@...r.kernel.org, tglx@...utronix.de
Cc:	mingo@...e.com, hpa@...or.com, alan@...ux.intel.com,
	Feng Tang <feng.tang@...el.com>,
	Jacob Pan <jacob.jun.pan@...el.com>
Subject: [PATCH 2/2] x86, apbt: setup affinity for apb timers acting as per-cpu timer

Commit a5ef2e70 "x86: Sanitize apb timer interrupt handling" forgot
the affinity setup when cleaning up the code, this patch just
adds the forgotten part

Cc: Jacob Pan <jacob.jun.pan@...el.com>
Cc: Thomas Gleixner <tglx@...utronix.de>
Signed-off-by: Feng Tang <feng.tang@...el.com>
---
 arch/x86/kernel/apb_timer.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/arch/x86/kernel/apb_timer.c b/arch/x86/kernel/apb_timer.c
index 92543c7..7c9ab59 100644
--- a/arch/x86/kernel/apb_timer.c
+++ b/arch/x86/kernel/apb_timer.c
@@ -315,6 +315,7 @@ static void apbt_setup_irq(struct apbt_dev *adev)
 
 	if (system_state == SYSTEM_BOOTING) {
 		irq_modify_status(adev->irq, 0, IRQ_MOVE_PCNTXT);
+		irq_set_affinity(adev->irq, cpumask_of(adev->cpu));
 		/* APB timer irqs are set up as mp_irqs, timer is edge type */
 		__set_irq_handler(adev->irq, handle_edge_irq, 0, "edge");
 		if (request_irq(adev->irq, apbt_interrupt_handler,
-- 
1.7.0.4

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