Messages in this thread Patch in this message |  | | | Date | Sun, 14 Sep 2008 11:55:38 +0400 | | From | Cyrill Gorcunov <> | | Subject | [patch 2/2] x86: apic - skip writting ESR register if we dont have on |
On 82489DX we don't have ESR register so we should not
write it.
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
---
Index: linux-2.6.git/arch/x86/kernel/apic.c
===================================================================
--- linux-2.6.git.orig/arch/x86/kernel/apic.c 2008-09-14 11:46:13.000000000 +0400
+++ linux-2.6.git/arch/x86/kernel/apic.c 2008-09-14 11:48:37.000000000 +0400
@@ -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);
--
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