commit d21683ea1f1b03823928a98b6380332b9385e3a7
author Heiko Carstens <heiko.carstens@de.ibm.com> Mon Mar 25 17:22:49 2013 +0100
committer Gleb Natapov <gleb@redhat.com> Tue Apr 02 16:14:20 2013 +0300
tree 08abf3cfe3538a7b4473a88cfb4778b88071365a
parent 2cef4deb4018c02fb3cd08f76c8a988f7ddee480

KVM: s390: fix 24 bit psw handling in lpsw/lpswe handler

When checking for validity the lpsw/lpswe handler check that only
the lower 20 bits instead of 24 bits have a non-zero value.
There handling valid psws as invalid ones.
Fix the 24 bit psw mask.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>

arch/s390/kvm/priv.c

diff --git a/arch/s390/kvm/priv.c b/arch/s390/kvm/priv.c
index 7db2ad0..7b397b3 100644
--- a/arch/s390/kvm/priv.c
+++ b/arch/s390/kvm/priv.c
@@ -255,7 +255,7 @@
 
 #define PSW_MASK_ADDR_MODE (PSW_MASK_EA | PSW_MASK_BA)
 #define PSW_MASK_UNASSIGNED 0xb80800fe7fffffffUL
-#define PSW_ADDR_24 0x00000000000fffffUL
+#define PSW_ADDR_24 0x0000000000ffffffUL
 #define PSW_ADDR_31 0x000000007fffffffUL
 
 int kvm_s390_handle_lpsw(struct kvm_vcpu *vcpu)