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[Qemu-devel] [PULL 08/20] s390x/kvm: SIGP START is only applicable when
From: |
Christian Borntraeger |
Subject: |
[Qemu-devel] [PULL 08/20] s390x/kvm: SIGP START is only applicable when STOPPED |
Date: |
Tue, 10 Mar 2015 09:38:01 +0100 |
From: David Hildenbrand <address@hidden>
In preparation for other CPU states, SIGP START will only start a VCPU if it is
in the STOPPED state.
Reviewed-by: Thomas Huth <address@hidden>
Reviewed-by: Cornelia Huck <address@hidden>
Signed-off-by: Jens Freimann <address@hidden>
Signed-off-by: David Hildenbrand <address@hidden>
Message-Id: <address@hidden>
Signed-off-by: Christian Borntraeger <address@hidden>
---
target-s390x/kvm.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/target-s390x/kvm.c b/target-s390x/kvm.c
index 127a3b8..7023513 100644
--- a/target-s390x/kvm.c
+++ b/target-s390x/kvm.c
@@ -1130,6 +1130,11 @@ static void sigp_start(void *arg)
{
SigpInfo *si = arg;
+ if (s390_cpu_get_state(si->cpu) != CPU_STATE_STOPPED) {
+ si->cc = SIGP_CC_ORDER_CODE_ACCEPTED;
+ return;
+ }
+
s390_cpu_set_state(CPU_STATE_OPERATING, si->cpu);
si->cc = SIGP_CC_ORDER_CODE_ACCEPTED;
}
--
2.3.0
- [Qemu-devel] [PULL 00/20] s390x/kvm: Features and fixes for 2.3, Christian Borntraeger, 2015/03/10
- [Qemu-devel] [PULL 06/20] s390x/kvm: trace all SIGP orders, Christian Borntraeger, 2015/03/10
- [Qemu-devel] [PULL 05/20] s390x/kvm: helper to set the SIGP status in SigpInfo, Christian Borntraeger, 2015/03/10
- [Qemu-devel] [PULL 08/20] s390x/kvm: SIGP START is only applicable when STOPPED,
Christian Borntraeger <=
- [Qemu-devel] [PULL 04/20] s390x/kvm: pass the SIGP instruction parameter to the SIGP handler, Christian Borntraeger, 2015/03/10
- [Qemu-devel] [PULL 10/20] s390x/kvm: deliver SIGP RESTART directly if stopped, Christian Borntraeger, 2015/03/10
- [Qemu-devel] [PULL 02/20] s390x: introduce defines for SIGP condition codes, Christian Borntraeger, 2015/03/10
- [Qemu-devel] [PULL 01/20] synchronize Linux headers to 4.0-rc3, Christian Borntraeger, 2015/03/10
- [Qemu-devel] [PULL 20/20] s390-ccw: rebuild BIOS, Christian Borntraeger, 2015/03/10
- [Qemu-devel] [PULL 11/20] s390x/kvm: enable the new SIGP handling in user space, Christian Borntraeger, 2015/03/10
- [Qemu-devel] [PULL 16/20] s390-ccw.img: Allow bigger ramdisk sizes or offsets, Christian Borntraeger, 2015/03/10
- [Qemu-devel] [PULL 17/20] s390-ccw.img: Reinitialize guessing on reboot, Christian Borntraeger, 2015/03/10
- [Qemu-devel] [PULL 18/20] elf-loader: Provide the possibility to relocate s390 ELF files, Christian Borntraeger, 2015/03/10
- [Qemu-devel] [PULL 03/20] s390x/kvm: more details for SIGP handler with one destination vcpu, Christian Borntraeger, 2015/03/10