path: root/arch/s390/include/asm
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authorChristian Borntraeger <borntraeger@de.ibm.com>2012-01-11 11:20:31 +0100
committerAvi Kivity <avi@redhat.com>2012-03-05 14:52:22 +0200
commit60b413c9248495ea400e80e08e4d1e28ed7ee05e (patch)
tree37881e9b94d7d736caf04c577f47b555fd34d7ff /arch/s390/include/asm
parentb9e5dc8d4511e6a00862a795319569e7fe7f60f4 (diff)
KVM: s390: provide the prefix register via kvm_run
Add the prefix register to the synced register field in kvm_run. While we need the prefix register most of the time read-only, this patch also adds handling for guest dirtying of the prefix register. Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com> Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/s390/include/asm')
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/s390/include/asm/kvm.h b/arch/s390/include/asm/kvm.h
index 325560afb77e..9fc328c26159 100644
--- a/arch/s390/include/asm/kvm.h
+++ b/arch/s390/include/asm/kvm.h
@@ -41,7 +41,9 @@ struct kvm_debug_exit_arch {
struct kvm_guest_debug_arch {
+#define KVM_SYNC_PREFIX (1UL << 0)
/* definition of registers in kvm_run */
struct kvm_sync_regs {
+ __u64 prefix; /* prefix register */

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