linux-kernel - [PATCH 1/4] [MTRR] Simplify smp_call_function

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Date:	Sat, 21 Jul 2007 17:57:54 +0300
From:	Avi Kivity <avi@...ranet.com>
To:	Andrew Morton <akpm@...l.org>
Cc:	linux-kernel@...r.kernel.org, Avi Kivity <avi@...ranet.com>,
	Richard Gooch <rgooch@...f.csiro.au>
Subject: [PATCH 1/4] [MTRR] Simplify smp_call_function_single() call sequence

smp_call_function_single() now knows how to call the function on the
current cpu.

Cc: Richard Gooch <rgooch@...f.csiro.au>
Signed-off-by: Avi Kivity <avi@...ranet.com>
---
 arch/i386/kernel/cpu/mtrr/main.c |    8 +-------
 1 files changed, 1 insertions(+), 7 deletions(-)

diff --git a/arch/i386/kernel/cpu/mtrr/main.c b/arch/i386/kernel/cpu/mtrr/main.c
index 75dc6d5..d8db59a 100644
--- a/arch/i386/kernel/cpu/mtrr/main.c
+++ b/arch/i386/kernel/cpu/mtrr/main.c
@@ -738,13 +738,7 @@ void mtrr_ap_init(void)
  */
 void mtrr_save_state(void)
 {
-	int cpu = get_cpu();
-
-	if (cpu == 0)
-		mtrr_save_fixed_ranges(NULL);
-	else
-		smp_call_function_single(0, mtrr_save_fixed_ranges, NULL, 1, 1);
-	put_cpu();
+	smp_call_function_single(0, mtrr_save_fixed_ranges, NULL, 1, 1);
 }
 
 static int __init mtrr_init_finialize(void)
-- 
1.5.2.4

-
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