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Groups > linux.kernel > #1252617
| From | Paul Mackerras <paulus@ozlabs.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v3 2/4] KVM: use simple waitqueue for vcpu->wq |
| Date | 2015-10-21 11:30 +0200 |
| Message-ID | <qlXSy-7bk-29@gated-at.bofh.it> (permalink) |
| References | <qlzwS-5dK-31@gated-at.bofh.it> <qlzwT-5dK-43@gated-at.bofh.it> <qlFLZ-5WV-41@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Tue, Oct 20, 2015 at 04:00:31PM +0200, Peter Zijlstra wrote: > > Should we not take this opportunity to get rid of these open-coded wait > loops? > > > Does this work? No, on Book3S HV (POWER8) the VM hangs immediately after the kernel brings up all the secondary vCPUs, and is then unkillable. I'm not sure what's wrong, although I wonder why you have TASK_IDLE rather than TASK_INTERRUPTIBLE in the ___wait_event call. Paul. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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[PATCH v3 0/4] Simple wait queue support Daniel Wagner <daniel.wagner@bmw-carit.de> - 2015-10-20 09:30 +0200
[PATCH v3 2/4] KVM: use simple waitqueue for vcpu->wq Daniel Wagner <daniel.wagner@bmw-carit.de> - 2015-10-20 09:30 +0200
Re: [PATCH v3 2/4] KVM: use simple waitqueue for vcpu->wq Paolo Bonzini <pbonzini@redhat.com> - 2015-10-20 15:20 +0200
Re: [PATCH v3 2/4] KVM: use simple waitqueue for vcpu->wq Peter Zijlstra <peterz@infradead.org> - 2015-10-20 16:10 +0200
Re: [PATCH v3 2/4] KVM: use simple waitqueue for vcpu->wq Paolo Bonzini <pbonzini@redhat.com> - 2015-10-20 17:50 +0200
Re: [PATCH v3 2/4] KVM: use simple waitqueue for vcpu->wq Peter Zijlstra <peterz@infradead.org> - 2015-10-20 18:10 +0200
Re: [PATCH v3 2/4] KVM: use simple waitqueue for vcpu->wq Paul Mackerras <paulus@ozlabs.org> - 2015-10-21 11:00 +0200
Re: [PATCH v3 2/4] KVM: use simple waitqueue for vcpu->wq Peter Zijlstra <peterz@infradead.org> - 2015-10-21 11:10 +0200
Re: [PATCH v3 2/4] KVM: use simple waitqueue for vcpu->wq Paul Mackerras <paulus@ozlabs.org> - 2015-10-21 11:20 +0200
Re: [PATCH v3 2/4] KVM: use simple waitqueue for vcpu->wq Paul Mackerras <paulus@ozlabs.org> - 2015-10-21 11:30 +0200
Re: [PATCH v3 2/4] KVM: use simple waitqueue for vcpu->wq Peter Zijlstra <peterz@infradead.org> - 2015-10-21 13:20 +0200
Re: [PATCH v3 2/4] KVM: use simple waitqueue for vcpu->wq Daniel Wagner <daniel.wagner@bmw-carit.de> - 2015-10-23 14:00 +0200
[PATCH v3 1/4] wait.[ch]: Introduce the simple waitqueue (swait) implementation Daniel Wagner <daniel.wagner@bmw-carit.de> - 2015-10-20 09:30 +0200
Re: [PATCH v3 1/4] wait.[ch]: Introduce the simple waitqueue (swait) implementation Boqun Feng <boqun.feng@gmail.com> - 2015-10-26 13:10 +0100
Re: [PATCH v3 1/4] wait.[ch]: Introduce the simple waitqueue (swait) implementation Peter Zijlstra <peterz@infradead.org> - 2015-10-26 13:30 +0100
Re: [PATCH v3 1/4] wait.[ch]: Introduce the simple waitqueue (swait) implementation Daniel Wagner <daniel.wagner@bmw-carit.de> - 2015-10-26 14:00 +0100
Re: [PATCH v3 1/4] wait.[ch]: Introduce the simple waitqueue (swait) implementation Peter Zijlstra <peterz@infradead.org> - 2015-10-26 15:00 +0100
Re: [PATCH v3 1/4] wait.[ch]: Introduce the simple waitqueue (swait) implementation Boqun Feng <boqun.feng@gmail.com> - 2015-10-26 15:30 +0100
Re: [PATCH v3 0/4] Simple wait queue support "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2015-10-25 21:20 +0100
Re: [PATCH v3 0/4] Simple wait queue support Daniel Wagner <daniel.wagner@bmw-carit.de> - 2015-10-26 07:40 +0100
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