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[Qemu-devel] [PULL 1/6] s390/kvm: Add check for priviledged SCLP handler
From: |
Christian Borntraeger |
Subject: |
[Qemu-devel] [PULL 1/6] s390/kvm: Add check for priviledged SCLP handler |
Date: |
Tue, 3 Sep 2013 09:58:32 +0200 |
From: Thomas Huth <address@hidden>
The SCLP instruction is priviledged, so we should make sure that
we generate an exception when it is called from the problem state.
Signed-off-by: Thomas Huth <address@hidden>
Signed-off-by: Christian Borntraeger <address@hidden>
---
target-s390x/kvm.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/target-s390x/kvm.c b/target-s390x/kvm.c
index 185c8f5..dc1ed56 100644
--- a/target-s390x/kvm.c
+++ b/target-s390x/kvm.c
@@ -448,6 +448,10 @@ static int kvm_sclp_service_call(S390CPU *cpu, struct
kvm_run *run,
int r = 0;
cpu_synchronize_state(CPU(cpu));
+ if (env->psw.mask & PSW_MASK_PSTATE) {
+ enter_pgmcheck(cpu, PGM_PRIVILEGED);
+ return 0;
+ }
sccb = env->regs[ipbh0 & 0xf];
code = env->regs[(ipbh0 & 0xf0) >> 4];
--
1.8.3.1
- [Qemu-devel] [PULL 0/6] s390: cleanups and fixes, Christian Borntraeger, 2013/09/03
- [Qemu-devel] [PULL 2/6] s390/dump: zero out padding bytes in notes sections, Christian Borntraeger, 2013/09/03
- [Qemu-devel] [PULL 3/6] s390/ipl: Fix waiting for virtio processing, Christian Borntraeger, 2013/09/03
- [Qemu-devel] [PULL 1/6] s390/kvm: Add check for priviledged SCLP handler,
Christian Borntraeger <=
- [Qemu-devel] [PULL 4/6] s390/ipl: Update the s390-ccw.img rom, Christian Borntraeger, 2013/09/03
- [Qemu-devel] [PULL 6/6] s390/ioinst: Moved the CC setting to the IO instruction handlers, Christian Borntraeger, 2013/09/03
- [Qemu-devel] [PULL 5/6] s390/cpu: Make setcc() function available to other files, Christian Borntraeger, 2013/09/03
- Re: [Qemu-devel] [PULL 0/6] s390: cleanups and fixes, Alexander Graf, 2013/09/03
- [Qemu-devel] [PULL] s390: cleanups and fixes, Christian Borntraeger, 2013/09/03