[PATCH] i386: flush_cpumask doesn't need "or"

From: Benjamin Herrenschmidt
Date: Tue Jul 31 2007 - 02:00:01 EST


Did I miss something or do we needlessly do an "or" to flush_cpumask
while we could just assign it ? We never exit that function with the
mask not empty and we have a spinlock...

Signed-off-by: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
---

Index: linux-work/arch/i386/kernel/smp.c
===================================================================
--- linux-work.orig/arch/i386/kernel/smp.c 2007-07-31 15:54:55.000000000 +1000
+++ linux-work/arch/i386/kernel/smp.c 2007-07-31 15:56:13.000000000 +1000
@@ -375,7 +375,8 @@ void native_flush_tlb_others(const cpuma

flush_mm = mm;
flush_va = va;
- cpus_or(flush_cpumask, cpumask, flush_cpumask);
+ flush_cpumask = cpumask;
+
/*
* We have to send the IPI only to
* CPUs affected.


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