xen/x86-ioapic-ack-default.patch
Charles Arnold 80e28a00ec - Update to Xen 4.2.0 FCS c/s 25844
- unmodified_drivers: handle IRQF_SAMPLE_RANDOM, it was removed
  in 3.6-rc1

- bnc#778105 - first XEN-PV VM fails to spawn
  xend: Increase wait time for disk to appear in host bootloader
  Modified existing xen-domUloader.diff

- Disable the snapshot patches. Snapshot only supported the qcow2
  image format which was poorly implemented qemu 0.10.2. Snapshot
  support may be restored in the future when the newer upstream
  qemu is used by Xen.

- bnc#776995 - attaching scsi control luns with pvscsi
  - xend/pvscsi: fix passing of SCSI control LUNs
  xen-bug776995-pvscsi-no-devname.patch
  - xend/pvscsi: fix usage of persistant device names for SCSI devices
  xen-bug776995-pvscsi-persistent-names.patch
  - xend/pvscsi: update sysfs parser for Linux 3.0
  xen-bug776995-pvscsi-sysfs-parser.patch

- Update to Xen 4.2.0 RC3+ c/s 25779 

- Update to Xen 4.2.0 RC2+ c/s 25765

OBS-URL: https://build.opensuse.org/package/show/Virtualization/xen?expand=0&rev=199
2012-09-17 15:49:23 +00:00

25 lines
869 B
Diff

Change default IO-APIC ack mode for single IO-APIC systems to old-style.
Index: xen-4.2.0-testing/xen/arch/x86/io_apic.c
===================================================================
--- xen-4.2.0-testing.orig/xen/arch/x86/io_apic.c
+++ xen-4.2.0-testing/xen/arch/x86/io_apic.c
@@ -43,7 +43,7 @@ static struct { int pin, apic; } ioapic_
static DEFINE_SPINLOCK(ioapic_lock);
bool_t __read_mostly skip_ioapic_setup;
-bool_t __read_mostly ioapic_ack_new = 1;
+bool_t __read_mostly ioapic_ack_new = -1;
bool_t __read_mostly ioapic_ack_forced = 0;
#ifndef sis_apic_bug
@@ -2012,6 +2012,8 @@ 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");