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| author |   David Hildenbrand <dahi@linux.vnet.ibm.com> | 2016-05-31 19:44:10 +0200 |
|---|---|---|
| committer |   Christian Borntraeger <borntraeger@de.ibm.com> | 2016-06-10 12:07:14 +0200 |
| commit | 6167375b558196fdedd38e9867f7bb30ff4dda50 (patch) | |
| tree | 4442599de1690fcb3f47665b5d8e740f427a6f45 /arch/s390/kvm/gaccess.c | |
| parent | KVM: s390: forward ESOP if available (diff) | |
| download | linux-dev-6167375b558196fdedd38e9867f7bb30ff4dda50.tar.xz linux-dev-6167375b558196fdedd38e9867f7bb30ff4dda50.zip | |
KVM: s390: gaccess: store guest address on ALC prot exceptions
Let's pass the effective guest address to get_vcpu_asce(), so we
can properly set the guest address in case we inject an ALC protection
exception.
Signed-off-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Diffstat (limited to 'arch/s390/kvm/gaccess.c')
| -rw-r--r-- | arch/s390/kvm/gaccess.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/arch/s390/kvm/gaccess.c b/arch/s390/kvm/gaccess.c index 66938d283b77..c0da9e9d4490 100644 --- a/arch/s390/kvm/gaccess.c +++ b/arch/s390/kvm/gaccess.c @@ -477,7 +477,7 @@ enum { }; static int get_vcpu_asce(struct kvm_vcpu *vcpu, union asce *asce, - ar_t ar, enum gacc_mode mode) + unsigned long ga, ar_t ar, enum gacc_mode mode) { int rc; struct psw_bits psw = psw_bits(vcpu->arch.sie_block->gpsw); @@ -519,6 +519,7 @@ static int get_vcpu_asce(struct kvm_vcpu *vcpu, union asce *asce, vcpu->arch.pgm.exc_access_id = ar; break; case PGM_PROTECTION: + tec_bits->addr = ga >> PAGE_SHIFT; tec_bits->b60 = 1; tec_bits->b61 = 1; break; @@ -783,7 +784,8 @@ int access_guest(struct kvm_vcpu *vcpu, unsigned long ga, ar_t ar, void *data, if (!len) return 0; - rc = get_vcpu_asce(vcpu, &asce, ar, mode); + ga = kvm_s390_logical_to_effective(vcpu, ga); + rc = get_vcpu_asce(vcpu, &asce, ga, ar, mode); if (rc) return rc; nr_pages = (((ga & ~PAGE_MASK) + len - 1) >> PAGE_SHIFT) + 1; @@ -854,7 +856,7 @@ int guest_translate_address(struct kvm_vcpu *vcpu, unsigned long gva, ar_t ar, gva = kvm_s390_logical_to_effective(vcpu, gva); tec = (struct trans_exc_code_bits *)&pgm->trans_exc_code; - rc = get_vcpu_asce(vcpu, &asce, ar, mode); + rc = get_vcpu_asce(vcpu, &asce, gva, ar, mode); tec->addr = gva >> PAGE_SHIFT; if (rc) return rc; |