summaryrefslogtreecommitdiffstats
path: root/arch/s390/kvm/interrupt.c
diff options
context:
space:
mode:
authorEric Farman <farman@linux.vnet.ibm.com>2014-04-14 16:01:09 -0400
committerChristian Borntraeger <borntraeger@de.ibm.com>2015-03-06 13:49:34 +0100
commitbc17de7c966504b287a1dceb76a523d8b7816731 (patch)
treedab02827b652b61b7dc001f5ae7b8bda742a83b0 /arch/s390/kvm/interrupt.c
parentcd7b4b61063eb55ab7a5f96523e028c9e0914694 (diff)
downloadop-kernel-dev-bc17de7c966504b287a1dceb76a523d8b7816731.zip
op-kernel-dev-bc17de7c966504b287a1dceb76a523d8b7816731.tar.gz
KVM: s390: Machine Check
Store additional status in the machine check handler, in order to collect status (such as vector registers) that is not defined by store status. Signed-off-by: Eric Farman <farman@linux.vnet.ibm.com> Reviewed-by: Thomas Huth <thuth@linux.vnet.ibm.com> Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com> Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Diffstat (limited to 'arch/s390/kvm/interrupt.c')
-rw-r--r--arch/s390/kvm/interrupt.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/s390/kvm/interrupt.c b/arch/s390/kvm/interrupt.c
index 036d375..2afec60 100644
--- a/arch/s390/kvm/interrupt.c
+++ b/arch/s390/kvm/interrupt.c
@@ -351,6 +351,7 @@ static int __must_check __deliver_machine_check(struct kvm_vcpu *vcpu)
{
struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int;
struct kvm_s390_mchk_info mchk;
+ unsigned long adtl_status_addr;
int rc;
spin_lock(&li->lock);
@@ -371,6 +372,9 @@ static int __must_check __deliver_machine_check(struct kvm_vcpu *vcpu)
mchk.cr14, mchk.mcic);
rc = kvm_s390_vcpu_store_status(vcpu, KVM_S390_STORE_STATUS_PREFIXED);
+ rc |= read_guest_lc(vcpu, __LC_VX_SAVE_AREA_ADDR,
+ &adtl_status_addr, sizeof(unsigned long));
+ rc |= kvm_s390_vcpu_store_adtl_status(vcpu, adtl_status_addr);
rc |= put_guest_lc(vcpu, mchk.mcic,
(u64 __user *) __LC_MCCK_CODE);
rc |= put_guest_lc(vcpu, mchk.failing_storage_address,
OpenPOWER on IntegriCloud