From: Luis Henriques <henrix@sapo.pt>
To: Avi Kivity <avi@redhat.com>
Cc: Steven Rostedt <srostedt@redhat.com>,
kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
Steven Rostedt <rostedt@goodmis.org>, Ingo Molnar <mingo@elte.hu>
Subject: Re: [BUG] kvm crashes in 2.6.28-rc6-00007-ged31348
Date: Thu, 4 Dec 2008 22:05:11 +0000 [thread overview]
Message-ID: <20081204220511.GA3510@hades.domain.com> (raw)
In-Reply-To: <4937F8F1.3070402@redhat.com>
On Thu, Dec 04, 2008 at 05:36:17PM +0200, Avi Kivity wrote:
> Avi Kivity wrote:
>> Steven Rostedt wrote:
>>> The following must be available without recursion for the function
>>> tracer to work:
>>>
>>> local_irq_save/restore
>>> smp_processor_id
>>> preempt_enable/disable_notrace
>>> atomic_inc/dec
>>>
>>
>> In arch/x86/kvm/svm.c, function svm_vcpu_run(), everything between the
>> vmrun instruction and the call to load_host_msrs() is executed without
>> a live pda, so no smp_processor_id(). Could easily be fixed by
>> rearranging things.
>>
>>
>
> Luis, please try the attached patch.
Sorry for taking so long testing the patch. However, I got exactly the same
result as before, i.e., a crash.
Regards,
--
Luis Henriques
next prev parent reply other threads:[~2008-12-04 22:05 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-30 19:34 [BUG] kvm crashes in 2.6.28-rc6-00007-ged31348 Luis Henriques
2008-11-30 20:20 ` Avi Kivity
2008-11-30 20:38 ` Luis Henriques
2008-11-30 20:44 ` Avi Kivity
2008-11-30 21:04 ` Luis Henriques
2008-12-02 12:23 ` Avi Kivity
2008-12-02 12:25 ` Avi Kivity
2008-12-02 12:31 ` Avi Kivity
2008-12-02 19:09 ` Luis Henriques
2008-12-02 19:27 ` Avi Kivity
2008-12-02 19:30 ` Avi Kivity
2008-12-02 19:46 ` Luis Henriques
2008-12-02 20:25 ` Steven Rostedt
2008-12-02 20:38 ` Avi Kivity
2008-12-02 20:48 ` Steven Rostedt
2008-12-02 20:56 ` Avi Kivity
2008-12-04 15:36 ` Avi Kivity
2008-12-04 22:05 ` Luis Henriques [this message]
2008-12-02 20:46 ` Luis Henriques
2008-12-02 21:16 ` Steven Rostedt
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