From: Chuck Ebbert <cebbert@redhat.com>
To: Ingo Molnar <mingo@elte.hu>
Cc: linux-kernel <linux-kernel@vger.kernel.org>, Andi Kleen <ak@suse.de>
Subject: [patch] x86: don't read maxlvt before checking if APIC is mapped
Date: Tue, 20 May 2008 18:18:12 -0400 [thread overview]
Message-ID: <48334E24.7040102@redhat.com> (raw)
x86: don't read maxlvt before checking if APIC is mapped
A check for unmapped apic was added before reading maxlvt but the early
read of maxlvt wasn't removed.
Signed-off-by: Chuck Ebbert <cebbert@redhat.com>
Index: linux-2.6.25.noarch/arch/x86/kernel/apic_64.c
===================================================================
--- linux-2.6.25.noarch.orig/arch/x86/kernel/apic_64.c
+++ linux-2.6.25.noarch/arch/x86/kernel/apic_64.c
@@ -524,7 +524,7 @@ int setup_profiling_timer(unsigned int m
*/
void clear_local_APIC(void)
{
- int maxlvt = lapic_get_maxlvt();
+ int maxlvt;
u32 v;
/* APIC hasn't been mapped yet */
reply other threads:[~2008-05-20 22:24 UTC|newest]
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