linux-kernel - [PATCH] [22/34] i386: clean up flush_tlb

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Message-Id: <20070430154955.20914151CA@wotan.suse.de>
Date:	Mon, 30 Apr 2007 17:49:55 +0200 (CEST)
From:	Andi Kleen <ak@...e.de>
To:	anil.s.keshavamurthy@...el.com, ak@...e.de, patches@...-64.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] [22/34] i386: clean up flush_tlb_others fn


From: "Keshavamurthy, Anil S" <anil.s.keshavamurthy@...el.com>

Cleanup flush_tlb_others(), no functional change.

Signed-off-by: Anil S Keshavamurthy <anil.s.keshavamurthy@...el.com>
Signed-off-by: Andi Kleen <ak@...e.de>
Cc: Andi Kleen <ak@...e.de>
Signed-off-by: Andrew Morton <akpm@...ux-foundation.org>
---

 arch/i386/kernel/smp.c |   12 +-----------
 1 file changed, 1 insertion(+), 11 deletions(-)

Index: linux/arch/i386/kernel/smp.c
===================================================================
--- linux.orig/arch/i386/kernel/smp.c
+++ linux/arch/i386/kernel/smp.c
@@ -375,17 +375,7 @@ void native_flush_tlb_others(const cpuma
 	
 	flush_mm = mm;
 	flush_va = va;
-#if NR_CPUS <= BITS_PER_LONG
-	atomic_set_mask(cpumask, &flush_cpumask);
-#else
-	{
-		int k;
-		unsigned long *flush_mask = (unsigned long *)&flush_cpumask;
-		unsigned long *cpu_mask = (unsigned long *)&cpumask;
-		for (k = 0; k < BITS_TO_LONGS(NR_CPUS); ++k)
-			atomic_set_mask(cpu_mask[k], &flush_mask[k]);
-	}
-#endif
+	cpus_or(flush_cpumask, cpumask, flush_cpumask);
 	/*
 	 * We have to send the IPI only to
 	 * CPUs affected.
-
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