f9b3d85b1e
* xen/arm: Fully initialise struct membanks_hdr fields
* build: Set DATE to SOURCE_DATE_EPOCH if available (for
reproducible builds)
* x86: Add Support for Paging-Write Feature
* x86/time: introduce command line option to select wallclock
* x86/time: prefer CMOS over EFI_GET_TIME
* xentrace: free CPU mask string before overwriting pointer
* xl: properly dispose of vTPM struct instance
* xl: properly dispose of libxl_dominfo struct instances
* Various documentation fixes and adjustments
* Various MISRA compliance improvements.
OBS-URL: https://build.opensuse.org/package/show/Virtualization/xen?expand=0&rev=871
17 lines
604 B
Diff
17 lines
604 B
Diff
Change default IO-APIC ack mode for single IO-APIC systems to old-style.
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--- a/xen/arch/x86/io_apic.c
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+++ b/xen/arch/x86/io_apic.c
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@@ -2152,7 +2152,10 @@ void __init setup_IO_APIC(void)
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io_apic_irqs = ~PIC_IRQS;
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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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+ if (!directed_eoi_enabled && !ioapic_ack_forced) {
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+ ioapic_ack_new = (nr_ioapics > 1);
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+ printk(" -> Using %s ACK method\n", ioapic_ack_new ? "new" : "old");
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+ }
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if (ioapic_ack_new) {
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ioapic_level_type.ack = irq_complete_move;
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