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
31 lines
1.0 KiB
Diff
31 lines
1.0 KiB
Diff
References: bnc#694863
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# HG changeset patch
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# User Jan Beulich <jbeulich@suse.com>
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# Date 1321864171 -3600
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# Node ID 9c350ab8d3ea64866421de756ab2bf3daaf63187
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# Parent 335e8273a3f34a5e2972643a028f83684609f1c1
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x86/vioapic: clear remote IRR when switching RTE to edge triggered mode
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Xen itself (as much as Linux) relies on this behavior, so it should
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also emulate it properly. Not doing so reportedly gets in the way of
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kexec inside a HVM guest.
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Signed-off-by: Jan Beulich <jbeulich@suse.com>
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Tested-by: Olaf Hering <olaf@aepfle.de>
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--- a/xen/arch/x86/hvm/vioapic.c
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+++ b/xen/arch/x86/hvm/vioapic.c
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@@ -154,8 +154,9 @@ static void vioapic_write_redirent(
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{
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vlapic_adjust_i8259_target(d);
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}
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- else if ( (ent.fields.trig_mode == VIOAPIC_LEVEL_TRIG) &&
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- !ent.fields.mask &&
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+ else if ( ent.fields.trig_mode == VIOAPIC_EDGE_TRIG )
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+ pent->fields.remote_irr = 0;
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+ else if ( !ent.fields.mask &&
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!ent.fields.remote_irr &&
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hvm_irq->gsi_assert_count[idx] )
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{
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