0c76f22ef1
- bnc#633573 - System fail to boot after running several warm reboot tests 22749-vtd-workarounds.patch - Upstream patches from Jan 22744-ept-pod-locking.patch 22777-vtd-ats-fixes.patch 22781-pod-hap-logdirty.patch 22782-x86-emul-smsw.patch 22789-i386-no-x2apic.patch 22790-svm-resume-migrate-pirqs.patch 22816-x86-pirq-drop-priv-check.patch OBS-URL: https://build.opensuse.org/package/show/Virtualization/xen?expand=0&rev=94
25 lines
839 B
Diff
25 lines
839 B
Diff
Change default IO-APIC ack mode for single IO-APIC systems to old-style.
|
|
|
|
Index: xen-4.0.2-testing/xen/arch/x86/io_apic.c
|
|
===================================================================
|
|
--- xen-4.0.2-testing.orig/xen/arch/x86/io_apic.c
|
|
+++ xen-4.0.2-testing/xen/arch/x86/io_apic.c
|
|
@@ -1551,7 +1551,7 @@ static unsigned int startup_level_ioapic
|
|
return 0; /* don't check for pending */
|
|
}
|
|
|
|
-int __read_mostly ioapic_ack_new = 1;
|
|
+int __read_mostly ioapic_ack_new = -1;
|
|
static void setup_ioapic_ack(char *s)
|
|
{
|
|
if ( !strcmp(s, "old") )
|
|
@@ -2067,6 +2067,8 @@ void __init setup_IO_APIC(void)
|
|
else
|
|
io_apic_irqs = ~PIC_IRQS;
|
|
|
|
+ if (ioapic_ack_new < 0)
|
|
+ ioapic_ack_new = (nr_ioapics > 1);
|
|
printk("ENABLING IO-APIC IRQs\n");
|
|
printk(" -> Using %s ACK method\n", ioapic_ack_new ? "new" : "old");
|
|
|