diff options
| author | Christian Borntraeger <borntraeger@de.ibm.com> | 2012-04-22 23:52:25 +0000 |
|---|---|---|
| committer | Alexander Graf <agraf@suse.de> | 2012-05-01 21:04:06 +0200 |
| commit | eca3ed0343ba413937f34ad4f8c4822dc82924e5 (patch) | |
| tree | 6296ee056930115007c919e62e6d3343f514313c /target-s390x/kvm.c | |
| parent | ad0bbc560026fb21c5b3d07631457e3be84d0f42 (diff) | |
S390: dont call system_shutdown on disabled wait
A disabled wait usually indicates a guest problem. Dont shutdown the
guest to allow guest dumping.
Have some special cases, e.g. a quiesce disabled wait. In that case
we want to shutdown.
Long term solution might be a crashed/panic indication.
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'target-s390x/kvm.c')
| -rw-r--r-- | target-s390x/kvm.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/target-s390x/kvm.c b/target-s390x/kvm.c index 956730d638..90aad61eb0 100644 --- a/target-s390x/kvm.c +++ b/target-s390x/kvm.c @@ -407,6 +407,12 @@ static int handle_instruction(CPUS390XState *env, struct kvm_run *run) return 0; } +static bool is_special_wait_psw(CPUS390XState *env) +{ + /* signal quiesce */ + return env->kvm_run->psw_addr == 0xfffUL; +} + static int handle_intercept(CPUS390XState *env) { struct kvm_run *run = env->kvm_run; @@ -420,6 +426,12 @@ static int handle_intercept(CPUS390XState *env) r = handle_instruction(env, run); break; case ICPT_WAITPSW: + if (s390_del_running_cpu(env) == 0 && + is_special_wait_psw(env)) { + qemu_system_shutdown_request(); + } + r = EXCP_HALTED; + break; case ICPT_CPU_STOP: if (s390_del_running_cpu(env) == 0) { qemu_system_shutdown_request(); |