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| From: | Christian Borntraeger |
| Subject: | Re: [Qemu-devel] [PATCH 4/8] s390: stop target cpu on sigp initial reset |
| Date: | Tue, 12 Jun 2012 12:15:18 +0200 |
| User-agent: | Mozilla/5.0 (X11; Linux i686; rv:12.0) Gecko/20120430 Thunderbird/12.0.1 |
On 12/06/12 11:42, Alexander Graf wrote: > Jens Freimann wrote: >> From: Christian Borntraeger <address@hidden> >> >> We must not run the target cpu after an initial reset. This makes >> system_reset more reliable for smp guests. >> > > Why? After an initial reset, the cpu is in a state (PSW=0) that causes program check loops if the cpu thread starts before the cpu is properly set up, iow we might burn cpu and have the cpu in a state that it is not supposed to be. Christian
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