On 23/11/12 14:40, Alexander Graf wrote: > > On 23.11.2012, at 11:18, Jens Freimann wrote: > >> When resetting vcpus on s390/kvm we have to clear registers, psw >> and prefix as described in the z/Architecture PoP, otherwise a >> reboot won't work. IPL PSW and prefix are set later on by the >> s390-ipl device reset code. >> >> Signed-off-by: Jens Freimann <jf...@linux.vnet.ibm.com> >> --- >> target-s390x/kvm.c | 26 +++++++++++++++++++++++++- >> 1 file changed, 25 insertions(+), 1 deletion(-) >> >> diff --git a/target-s390x/kvm.c b/target-s390x/kvm.c >> index 94de764..b1b791e 100644 >> --- a/target-s390x/kvm.c >> +++ b/target-s390x/kvm.c > > This needs to go into generic vcpu reset code.
The kvm ioctl certainly not, no? (definitely necessary for kernels without sync regs). I guess you are talking about moving the register initialisation into s390_cpu_reset (target-s390x/cpu.c). Right? Jens can you have a look? Christian
