xen/x86-ioapic-ack-default.patch
Charles Arnold 17854f1c81 - Upstream patches from Jan
25833-32on64-bogus-pt_base-adjust.patch                                                                                                                
  25835-adjust-rcu-lock-domain.patch                                                                                                                     
  25836-VT-d-S3-MSI-resume.patch                                                                                                                         
  25850-tmem-xsa-15-1.patch                                                                                                                              
  25851-tmem-xsa-15-2.patch                                                                                                                              
  25852-tmem-xsa-15-3.patch                                                                                                                              
  25853-tmem-xsa-15-4.patch                                                                                                                              
  25854-tmem-xsa-15-5.patch                                                                                                                              
  25855-tmem-xsa-15-6.patch                                                                                                                              
  25856-tmem-xsa-15-7.patch                                                                                                                              
  25857-tmem-xsa-15-8.patch                                                                                                                              
  25858-tmem-xsa-15-9.patch                                                                                                                              
  25859-tmem-missing-break.patch                                                                                                                         
  25860-tmem-cleanup.patch                                                                                                                               
  25861-x86-early-fixmap.patch                                                                                                                           
  25862-sercon-non-com.patch                                                                                                                             
  25863-sercon-ehci-dbgp.patch                                                                                                                           
  25864-sercon-unused.patch                                                                                                                              
  25866-sercon-ns16550-pci-irq.patch                                                                                                                     
  25867-sercon-ns16550-parse.patch                                                                                                                       
  25874-x86-EFI-chain-cfg.patch                                                                                                                          
  25909-xenpm-consistent.patch

OBS-URL: https://build.opensuse.org/package/show/Virtualization/xen?expand=0&rev=201
2012-09-21 14:45:08 +00:00

17 lines
569 B
Diff

Change default IO-APIC ack mode for single IO-APIC systems to old-style.
--- a/xen/arch/x86/io_apic.c
+++ b/xen/arch/x86/io_apic.c
@@ -2013,7 +2013,10 @@ void __init setup_IO_APIC(void)
io_apic_irqs = ~PIC_IRQS;
printk("ENABLING IO-APIC IRQs\n");
- printk(" -> Using %s ACK method\n", ioapic_ack_new ? "new" : "old");
+ if (!directed_eoi_enabled && !ioapic_ack_forced) {
+ ioapic_ack_new = (nr_ioapics > 1);
+ printk(" -> Using %s ACK method\n", ioapic_ack_new ? "new" : "old");
+ }
/*
* Set up IO-APIC IRQ routing.