diff options
| author | David Hildenbrand | 2015-11-16 15:42:11 +0100 |
|---|---|---|
| committer | Christian Borntraeger | 2016-02-10 13:12:50 +0100 |
| commit | 92c9632119b67f3e201240f6813cd0343bfb0141 (patch) | |
| tree | 3ff5116af2531962e9686cb8b1214f907aff105c /arch/s390/kvm/kvm-s390.c | |
| parent | KVM: s390: migration / injection of prog irq ilc (diff) | |
| download | kernel-qcow2-linux-92c9632119b67f3e201240f6813cd0343bfb0141.tar.gz kernel-qcow2-linux-92c9632119b67f3e201240f6813cd0343bfb0141.tar.xz kernel-qcow2-linux-92c9632119b67f3e201240f6813cd0343bfb0141.zip | |
KVM: s390: gaccess: introduce access modes
We will need special handling when fetching instructions, so let's
introduce new guest access modes GACC_FETCH and GACC_STORE instead
of a write flag. An additional patch will then introduce GACC_IFETCH.
Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com>
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/kvm-s390.c')
| -rw-r--r-- | arch/s390/kvm/kvm-s390.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index cd84a3eeb214..85e169b8e90d 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -2610,7 +2610,8 @@ static long kvm_s390_guest_mem_op(struct kvm_vcpu *vcpu, switch (mop->op) { case KVM_S390_MEMOP_LOGICAL_READ: if (mop->flags & KVM_S390_MEMOP_F_CHECK_ONLY) { - r = check_gva_range(vcpu, mop->gaddr, mop->ar, mop->size, false); + r = check_gva_range(vcpu, mop->gaddr, mop->ar, + mop->size, GACC_FETCH); break; } r = read_guest(vcpu, mop->gaddr, mop->ar, tmpbuf, mop->size); @@ -2621,7 +2622,8 @@ static long kvm_s390_guest_mem_op(struct kvm_vcpu *vcpu, break; case KVM_S390_MEMOP_LOGICAL_WRITE: if (mop->flags & KVM_S390_MEMOP_F_CHECK_ONLY) { - r = check_gva_range(vcpu, mop->gaddr, mop->ar, mop->size, true); + r = check_gva_range(vcpu, mop->gaddr, mop->ar, + mop->size, GACC_STORE); break; } if (copy_from_user(tmpbuf, uaddr, mop->size)) { |