3f55414718
- Upstream or pending upstream patches from Jan 25587-fix-off-by-one-parsing-error.patch 25616-x86-MCi_CTL-default.patch 25617-vtd-qinval-addr.patch 25688-x86-nr_irqs_gsi.patch - bnc#773393 - VUL-0: CVE-2012-3433: xen: HVM guest destroy p2m teardown host DoS vulnerability CVE-2012-3433-xsa11.patch - bnc#773401 - VUL-1: CVE-2012-3432: xen: HVM guest user mode MMIO emulation DoS 25682-x86-inconsistent-io-state.patch - bnc#762484 - VUL-1: CVE-2012-2625: xen: pv bootloader doesn't check the size of the bzip2 or lzma compressed kernel, leading to denial of service 25589-pygrub-size-limits.patch - Make it build with latest TeXLive 2012 with new package layout OBS-URL: https://build.opensuse.org/package/show/Virtualization/xen?expand=0&rev=196
25 lines
839 B
Diff
25 lines
839 B
Diff
Change default IO-APIC ack mode for single IO-APIC systems to old-style.
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Index: xen-4.1.3-testing/xen/arch/x86/io_apic.c
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===================================================================
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--- xen-4.1.3-testing.orig/xen/arch/x86/io_apic.c
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+++ xen-4.1.3-testing/xen/arch/x86/io_apic.c
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@@ -1680,7 +1680,7 @@ static unsigned int startup_level_ioapic
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return 0; /* don't check for pending */
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}
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-int __read_mostly ioapic_ack_new = 1;
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+int __read_mostly ioapic_ack_new = -1;
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static void setup_ioapic_ack(char *s)
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{
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if ( !strcmp(s, "old") )
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@@ -2187,6 +2187,8 @@ void __init setup_IO_APIC(void)
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else
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io_apic_irqs = ~PIC_IRQS;
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+ if (ioapic_ack_new < 0)
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+ ioapic_ack_new = (nr_ioapics > 1);
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printk("ENABLING IO-APIC IRQs\n");
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printk(" -> Using %s ACK method\n", ioapic_ack_new ? "new" : "old");
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