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Re: [Xen-devel] [PATCH 6 of 6] PV on HVM suspend\resume

To: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
Subject: Re: [Xen-devel] [PATCH 6 of 6] PV on HVM suspend\resume
From: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
Date: Mon, 26 Apr 2010 12:03:11 -0700
Cc: "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, Ian Campbell <Ian.Campbell@xxxxxxxxxx>
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On 04/25/2010 04:25 PM, Stefano Stabellini wrote:
>> This won't compile with CONFIG_PREEMPT enabled, because out_destroy_sm
>> is missing below.
> Now it is fixed,

Did you push out the fix (ideally as a new delta changeset on top of the
previous ones, rather than rebaseing them).

>  however I tried suspend/resume with CONFIG_PREEMPT
> enabled and the kernel seems to hang at resume time; I wonder if it
> works for pv guests since the suspend/resume code is similiar...

I think Pasi and IanC tested it quite a bit not too long ago, but its
possible they didn't test preempt kernels (and it wouldn't surprise me
at all if preempt breaks things).


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