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| author | Michael Mueller <mimu@linux.vnet.ibm.com> | 2014-05-13 16:58:30 +0200 |
|---|---|---|
| committer | Christian Borntraeger <borntraeger@de.ibm.com> | 2014-05-16 14:57:31 +0200 |
| commit | fda902cb8347da121025c4079b9e87748228a27e (patch) | |
| tree | b5cbcce14afbe2da194e4b3cb8f1594cea800fb5 /arch/s390/kvm/priv.c | |
| parent | s390/sclp: add sclp_get_ibc function (diff) | |
| download | linux-fda902cb8347da121025c4079b9e87748228a27e.tar.xz linux-fda902cb8347da121025c4079b9e87748228a27e.zip | |
KVM: s390: split SIE state guest prefix field
This patch splits the SIE state guest prefix at offset 4
into a prefix bit field. Additionally it provides the
access functions:
- kvm_s390_get_prefix()
- kvm_s390_set_prefix()
to access the prefix per vcpu.
Signed-off-by: Michael Mueller <mimu@linux.vnet.ibm.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Diffstat (limited to 'arch/s390/kvm/priv.c')
| -rw-r--r-- | arch/s390/kvm/priv.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/arch/s390/kvm/priv.c b/arch/s390/kvm/priv.c index d99f5f0305a0..6296159ac883 100644 --- a/arch/s390/kvm/priv.c +++ b/arch/s390/kvm/priv.c @@ -119,8 +119,7 @@ static int handle_store_prefix(struct kvm_vcpu *vcpu) if (operand2 & 3) return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION); - address = vcpu->arch.sie_block->prefix; - address = address & 0x7fffe000u; + address = kvm_s390_get_prefix(vcpu); /* get the value */ rc = write_guest(vcpu, operand2, &address, sizeof(address)); |