diff options
| author | Paolo Bonzini <pbonzini@redhat.com> | 2014-12-10 16:56:46 +0100 |
|---|---|---|
| committer | Michael Roth <mdroth@linux.vnet.ibm.com> | 2015-03-01 18:13:00 -0600 |
| commit | 3e04f97cbc904fc8196774758c76343b3ee9ef6a (patch) | |
| tree | 3db521a694e4ea7cbd7203edc1cd255ad0e3ac04 | |
| parent | 00fd8904f6383fca1c25e24d45a00960b0417749 (diff) | |
| download | qemu-3e04f97cbc904fc8196774758c76343b3ee9ef6a.tar.gz | |
kvm/apic: fix 2.2->2.1 migration
The wait_for_sipi field is set back to 1 after an INIT, so it was not
effective to reset it in kvm_apic_realize. Introduce a reset callback
and reset wait_for_sipi there.
Reported-by: Igor Mammedov <imammedo@redhat.com>
Cc: qemu-stable@nongnu.org
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
(cherry picked from commit 575a6f4082c45778b93032ef1e7fbea4467b3a2a)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
| -rw-r--r-- | hw/i386/kvm/apic.c | 10 | ||||
| -rw-r--r-- | hw/intc/apic_common.c | 5 | ||||
| -rw-r--r-- | include/hw/i386/apic_internal.h | 1 |
3 files changed, 13 insertions, 3 deletions
diff --git a/hw/i386/kvm/apic.c b/hw/i386/kvm/apic.c index 271e97f86f..5b470562a6 100644 --- a/hw/i386/kvm/apic.c +++ b/hw/i386/kvm/apic.c @@ -171,12 +171,15 @@ static const MemoryRegionOps kvm_apic_io_ops = { .endianness = DEVICE_NATIVE_ENDIAN, }; -static void kvm_apic_realize(DeviceState *dev, Error **errp) +static void kvm_apic_reset(APICCommonState *s) { - APICCommonState *s = APIC_COMMON(dev); - /* Not used by KVM, which uses the CPU mp_state instead. */ s->wait_for_sipi = 0; +} + +static void kvm_apic_realize(DeviceState *dev, Error **errp) +{ + APICCommonState *s = APIC_COMMON(dev); memory_region_init_io(&s->io_memory, NULL, &kvm_apic_io_ops, s, "kvm-apic-msi", APIC_SPACE_SIZE); @@ -191,6 +194,7 @@ static void kvm_apic_class_init(ObjectClass *klass, void *data) APICCommonClass *k = APIC_COMMON_CLASS(klass); k->realize = kvm_apic_realize; + k->reset = kvm_apic_reset; k->set_base = kvm_apic_set_base; k->set_tpr = kvm_apic_set_tpr; k->get_tpr = kvm_apic_get_tpr; diff --git a/hw/intc/apic_common.c b/hw/intc/apic_common.c index 4e62f25edb..d9bb188c15 100644 --- a/hw/intc/apic_common.c +++ b/hw/intc/apic_common.c @@ -178,6 +178,7 @@ bool apic_next_timer(APICCommonState *s, int64_t current_time) void apic_init_reset(DeviceState *dev) { APICCommonState *s = APIC_COMMON(dev); + APICCommonClass *info = APIC_COMMON_GET_CLASS(s); int i; if (!s) { @@ -206,6 +207,10 @@ void apic_init_reset(DeviceState *dev) timer_del(s->timer); } s->timer_expiry = -1; + + if (info->reset) { + info->reset(s); + } } void apic_designate_bsp(DeviceState *dev) diff --git a/include/hw/i386/apic_internal.h b/include/hw/i386/apic_internal.h index 83e2a42cc1..dc7a89d988 100644 --- a/include/hw/i386/apic_internal.h +++ b/include/hw/i386/apic_internal.h @@ -89,6 +89,7 @@ typedef struct APICCommonClass void (*external_nmi)(APICCommonState *s); void (*pre_save)(APICCommonState *s); void (*post_load)(APICCommonState *s); + void (*reset)(APICCommonState *s); } APICCommonClass; struct APICCommonState { |