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> Signed-off-by: Ingo Molnar <mingo@elte.hu>
git-mirror · Oct 16, 2008 · 08ad776 · 08ad776
1 parent 9df08f1
commit 08ad776
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/arch/x86/kernel/apic.c b/arch/x86/kernel/apic.c
@@ -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);