9a05aa7fc4
22707-x2apic-preenabled-check.patch - bnc#641419 - L3: Xen: qemu-dm reports "xc_map_foreign_batch: mmap failed: Cannot allocate memory" 7434-qemu-rlimit-as.patch - Additional or upstream patches from Jan 22693-fam10-mmio-conf-base-protect.patch 22694-x86_64-no-weak.patch 22708-xenctx-misc.patch 21432-4.0-cpu-boot-failure.patch 22645-amd-flush-filter.patch qemu-fix-7433.patch - Maintain compatibility with the extid flag even though it is deprecated for both legacy and sxp config files. hv_extid_compatibility.patch - bnc#649209-improve suspend eventchn lock suspend_evtchn_lock.patch - Removed the hyper-v shim patches in favor of using the upstream version. - bnc#641419 - L3: Xen: qemu-dm reports "xc_map_foreign_batch: mmap failed: Cannot allocate memory" qemu-rlimit-as.patch - Upstream c/s 7433 to replace qemu_altgr_more.patch 7433-qemu-altgr.patch OBS-URL: https://build.opensuse.org/package/show/Virtualization/xen?expand=0&rev=90
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-4.0.1-testing/xen/arch/x86/io_apic.c
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===================================================================
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--- xen-4.0.1-testing.orig/xen/arch/x86/io_apic.c
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+++ xen-4.0.1-testing/xen/arch/x86/io_apic.c
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@@ -1559,7 +1559,7 @@ 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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@@ -2075,6 +2075,8 @@ 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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