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authorMichael Mueller <mimu@linux.vnet.ibm.com>2014-05-13 16:58:30 +0200
committerChristian Borntraeger <borntraeger@de.ibm.com>2014-05-16 14:57:31 +0200
commitfda902cb8347da121025c4079b9e87748228a27e (patch)
treeb5cbcce14afbe2da194e4b3cb8f1594cea800fb5 /arch/s390/kvm/priv.c
parent570126d370e9c018e603d63272ebcf7340efc05b (diff)
downloadlinux-fda902cb8347da121025c4079b9e87748228a27e.tar.bz2
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.c3
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));