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x86: apic - skip writting ESR register if we dont have on

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On 82489DX we don't have ESR register so we should not
write it.

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Cyrill Gorcunov 2008-09-14 11:55:38 +04:00 committed by Ingo Molnar
parent 9df08f1095
commit 08ad776e3c
1 changed files with 1 additions and 1 deletions
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2
arch/x86/kernel/apic.c
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@ -1131,7 +1131,7 @@ void __cpuinit setup_local_APIC(void)
#ifdef CONFIG_X86_32
/* Pound the ESR really hard over the head with a big hammer - mbligh */
if (esr_disable) {
if (lapic_is_integrated() && esr_disable) {
apic_write(APIC_ESR, 0);
apic_write(APIC_ESR, 0);
apic_write(APIC_ESR, 0);