ac6e56e6d7
23900-xzalloc.patch 24144-cpufreq-turbo-crash.patch 24148-shadow-pgt-dying-op-performance.patch 24155-x86-ioapic-EOI-after-migration.patch 24156-x86-ioapic-shared-vectors.patch 24157-x86-xstate-init.patch 24168-x86-vioapic-clear-remote_irr.patch - submit fixes for bnc#649209 and bnc#711892 xl-create-pv-with-qcow2-img.patch update suspend_evtchn_lock.patch - Update trace.c, merge patches from upstream 23050-xentrace_dynamic_tracebuffer_allocation.patch 23091-xentrace_fix_t_info_pages_calculation..patch 23092-xentrace_print_calculated_numbers_in_calculate_tbuf_size.patch 23093-xentrace_remove_gdprintk_usage_since_they_are_not_in_guest_context.patch 23094-xentrace_update_comments.patch 23095-xentrace_use_consistent_printk_prefix.patch 23128-xentrace_correct_formula_to_calculate_t_info_pages.patch 23129-xentrace_remove_unneeded_debug_printk.patch 23173-xentrace_Move_register_cpu_notifier_call_into_boot-time_init..patch 23239-xentrace_correct_overflow_check_for_number_of_per-cpu_trace_pages.patch 23308-xentrace_Move_the_global_variable_t_info_first_offset_into_calculate_tbuf_size.patch 23309-xentrace_Mark_data_size___read_mostly_because_its_only_written_once.patch 23310-xentrace_Remove_unneeded_cast_when_assigning_pointer_value_to_dst.patch 23404-xentrace_reduce_trace_buffer_size_to_something_mfn_offset_can_reach.patch OBS-URL: https://build.opensuse.org/package/show/Virtualization/xen?expand=0&rev=160
23 lines
686 B
Diff
23 lines
686 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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@@ -1679,7 +1679,7 @@ 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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@@ -2180,6 +2180,8 @@ 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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