From: Avi Kivity <avi@redhat.com>
To: stephan.baerwolf@tu-ilmenau.de
Cc: linux-kernel@vger.kernel.org,
Linus Torvalds <torvalds@linux-foundation.org>
Subject: Re: KVM guest-kernel panics double fault
Date: Tue, 10 Jan 2012 14:34:12 +0200 [thread overview]
Message-ID: <4F0C3044.7050307@redhat.com> (raw)
In-Reply-To: <4F0C2C4E.3000703@tu-ilmenau.de>
On 01/10/2012 02:17 PM, Stephan Bärwolf wrote:
> Hi, me again.
>
> Thank you for your instructions, I will send the patch right after this
> mail.
>
> On 01/10/12 11:31, Avi Kivity wrote:
> >> I prepare/adapt everything to the mentioned styles/policy.
> >> (I'll insert 2 additional ops for getting "cpuid" and "id of vcpu"...)
> > What do you mean by "id of vcpu"?
> I mean the number of the corresponding vcpu.
> (So mostly "vcpu->vcpu_id" ...)
> It is necessary for "pr_err_ratelimited"-complains, if cpuid-vendor is
> unknown ...
> ("Jan 10 12:14:55 thinkrat kernel: [ 4476.484359] kvm: 15680: cpu0
> unknown vendor - assuming intel")
It isn't worthwhile - just don't print the vcpu number (the task ID
contains enough information, and anyway this should be rare to the point
of never ever happening)
--
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.
next prev parent reply other threads:[~2012-01-10 12:34 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-29 1:59 KVM guest-kernel panics double fault Stephan Bärwolf
2011-12-29 10:04 ` Avi Kivity
2012-01-08 2:31 ` Stephan Bärwolf
2012-01-08 10:21 ` Avi Kivity
2012-01-10 10:11 ` Stephan Bärwolf
2012-01-10 10:31 ` Avi Kivity
2012-01-10 12:17 ` Stephan Bärwolf
2012-01-10 12:34 ` Avi Kivity [this message]
2012-01-10 12:48 ` Stephan Bärwolf
2012-01-10 14:26 ` [PATCH 0/2] " Stephan Bärwolf
2012-01-10 14:26 ` [PATCH 1/2] KVM: extend "struct x86_emulate_ops" with "get_cpuid" Stephan Bärwolf
2012-01-10 14:26 ` [PATCH 2/2] KVM: fix missing "illegal instruction"-trap in protected modes Stephan Bärwolf
2012-01-11 19:09 ` Marcelo Tosatti
2012-01-11 20:01 ` Stephan Bärwolf
2012-01-11 21:21 ` Marcelo Tosatti
2012-01-11 22:19 ` Stephan Bärwolf
2012-01-12 10:47 ` Marcelo Tosatti
2012-01-12 15:43 ` [PATCH 0/2] KVM guest-kernel panics double fault Stephan Bärwolf
2012-01-12 15:56 ` Jan Kiszka
2012-01-13 10:13 ` Marcelo Tosatti
2012-01-15 19:44 ` Stephan Bärwolf
2012-01-16 9:58 ` Marcelo Tosatti
2012-01-16 11:24 ` Stephan Bärwolf
2012-01-12 15:43 ` [PATCH 1/2] KVM: extend "struct x86_emulate_ops" with "get_cpuid" Stephan Bärwolf
2012-01-12 15:43 ` [PATCH 2/2] KVM: fix missing "illegal instruction"-trap in protected modes Stephan Bärwolf
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