linux-kernel - [PATCH 8/8] MIPS: sync-r4k: remove redundant irq operation

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Message-Id: <1337249410-7162-9-git-send-email-yong.zhang0@gmail.com>
Date:	Thu, 17 May 2012 18:10:10 +0800
From:	Yong Zhang <yong.zhang0@...il.com>
To:	linux-mips@...ux-mips.org, linux-kernel@...r.kernel.org
Cc:	ralf@...ux-mips.org, david.daney@...ium.com
Subject: [PATCH 8/8] MIPS: sync-r4k: remove redundant irq operation

From: Yong Zhang <yong.zhang@...driver.com>

Since we have delayed irq enable to ->smp_finish()

Signed-off-by: Yong Zhang <yong.zhang0@...il.com>
---
 arch/mips/kernel/sync-r4k.c |    5 -----
 1 files changed, 0 insertions(+), 5 deletions(-)

diff --git a/arch/mips/kernel/sync-r4k.c b/arch/mips/kernel/sync-r4k.c
index 99f913c..842d55e 100644
--- a/arch/mips/kernel/sync-r4k.c
+++ b/arch/mips/kernel/sync-r4k.c
@@ -111,7 +111,6 @@ void __cpuinit synchronise_count_master(void)
 void __cpuinit synchronise_count_slave(void)
 {
 	int i;
-	unsigned long flags;
 	unsigned int initcount;
 	int ncpus;
 
@@ -123,8 +122,6 @@ void __cpuinit synchronise_count_slave(void)
 	return;
 #endif
 
-	local_irq_save(flags);
-
 	/*
 	 * Not every cpu is online at the time this gets called,
 	 * so we first wait for the master to say everyone is ready
@@ -154,7 +151,5 @@ void __cpuinit synchronise_count_slave(void)
 	}
 	/* Arrange for an interrupt in a short while */
 	write_c0_compare(read_c0_count() + COUNTON);
-
-	local_irq_restore(flags);
 }
 #undef NR_LOOPS
-- 
1.7.1

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