From d1ebdbf99a3ce90f3b886c2cf0dfd7da17703d2a Mon Sep 17 00:00:00 2001
From: James Sullivan <sullivan.james.f@gmail.com>
Date: Wed, 18 Mar 2015 19:26:04 -0600
Subject: [PATCH] kvm: x86: Deliver MSI IRQ to only lowest prio cpu if
 msi_redir_hint is true
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An MSI interrupt should only be delivered to the lowest priority CPU
when it has RH=1, regardless of the delivery mode. Modified
kvm_is_dm_lowest_prio() to check for either irq->delivery_mode == APIC_DM_LOWPRI
or irq->msi_redir_hint.

Moved kvm_is_dm_lowest_prio() into lapic.h and renamed to
kvm_lowest_prio_delivery().

Changed a check in kvm_irq_delivery_to_apic_fast() from
irq->delivery_mode == APIC_DM_LOWPRI to kvm_is_dm_lowest_prio().

Signed-off-by: James Sullivan <sullivan.james.f@gmail.com>
Reviewed-by: Radim Krčmář <rkrcmar@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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