Commit 9df08f10 authored by Cyrill Gorcunov's avatar Cyrill Gorcunov Committed by Ingo Molnar

x86: apic - lapic_setup_esr does not handle esr_disable - fix it

lapic_setup_esr doesn't handle esr_disable inquire.
The error brought in during unification process.
Fix it.
Signed-off-by: default avatarCyrill Gorcunov <gorcunov@gmail.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent c87695ea
...@@ -1081,40 +1081,43 @@ void __init init_bsp_APIC(void) ...@@ -1081,40 +1081,43 @@ void __init init_bsp_APIC(void)
static void __cpuinit lapic_setup_esr(void) static void __cpuinit lapic_setup_esr(void)
{ {
unsigned long oldvalue, value, maxlvt; unsigned int oldvalue, value, maxlvt;
if (lapic_is_integrated() && !esr_disable) {
if (esr_disable) { if (!lapic_is_integrated()) {
/* printk(KERN_INFO "No ESR for 82489DX.\n");
* Something untraceable is creating bad interrupts on return;
* secondary quads ... for the moment, just leave the }
* ESR disabled - we can't do anything useful with the
* errors anyway - mbligh
*/
printk(KERN_INFO "Leaving ESR disabled.\n");
return;
}
/* !82489DX */
maxlvt = lapic_get_maxlvt();
if (maxlvt > 3) /* Due to the Pentium erratum 3AP. */
apic_write(APIC_ESR, 0);
oldvalue = apic_read(APIC_ESR);
/* enables sending errors */ if (esr_disable) {
value = ERROR_APIC_VECTOR;
apic_write(APIC_LVTERR, value);
/* /*
* spec says clear errors after enabling vector. * Something untraceable is creating bad interrupts on
* secondary quads ... for the moment, just leave the
* ESR disabled - we can't do anything useful with the
* errors anyway - mbligh
*/ */
if (maxlvt > 3) printk(KERN_INFO "Leaving ESR disabled.\n");
apic_write(APIC_ESR, 0); return;
value = apic_read(APIC_ESR);
if (value != oldvalue)
apic_printk(APIC_VERBOSE, "ESR value before enabling "
"vector: 0x%08lx after: 0x%08lx\n",
oldvalue, value);
} else {
printk(KERN_INFO "No ESR for 82489DX.\n");
} }
maxlvt = lapic_get_maxlvt();
if (maxlvt > 3) /* Due to the Pentium erratum 3AP. */
apic_write(APIC_ESR, 0);
oldvalue = apic_read(APIC_ESR);
/* enables sending errors */
value = ERROR_APIC_VECTOR;
apic_write(APIC_LVTERR, value);
/*
* spec says clear errors after enabling vector.
*/
if (maxlvt > 3)
apic_write(APIC_ESR, 0);
value = apic_read(APIC_ESR);
if (value != oldvalue)
apic_printk(APIC_VERBOSE, "ESR value before enabling "
"vector: 0x%08x after: 0x%08x\n",
oldvalue, value);
} }
......
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