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From: Greg Harmon <gharm@google.com>
To: kvm@vger.kernel.org
Subject: Re: [kvm-unit-tests PATCH] powerpc: Add SPRs migration test
Date: Tue, 12 Apr 2016 21:32:01 +0000 (UTC)	[thread overview]
Message-ID: <loom.20160412T231220-984@post.gmane.org> (raw)
In-Reply-To: 20160412112108.5ed39dfc@voom.fritz.box

David Gibson <dgibson <at> redhat.com> writes:

> 
> On Mon, 11 Apr 2016 11:23:46 +0200
> Thomas Huth <thuth <at> redhat.com> wrote:
> 
> > On 11.04.2016 03:55, David Gibson wrote:
> > > On Fri,  8 Apr 2016 13:35:29 +0200
> > > Thomas Huth <thuth <at> redhat.com> wrote:
> > >   
> > >> This test can be used to check whether the SPR (special purpose
> > >> registers) of the PowerPC CPU are migrated right. It first fills
> > >> the various SPRs with some non-zero value, then reads the values
> > >> back into a first array, then waits for a key (with the '-w' option)
> > >> so that it is possible to migrate the VM, and finally reads the
> > >> values from the SPRs back into another array and then compares it
> > >> with the initial values.

Hi,
In order to make this test automated, what if we extend the test device to 
return a save/restore generation number? It can report that in a 
register,and then the test can spin, waiting for that value to increase.

Thanks,
Greg


  reply	other threads:[~2016-04-12 21:35 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-04-08 11:35 [kvm-unit-tests PATCH] powerpc: Add SPRs migration test Thomas Huth
2016-04-08 11:35 ` Thomas Huth
2016-04-08 12:14 ` Andrew Jones
2016-04-08 12:14   ` Andrew Jones
2016-04-08 14:08   ` Thomas Huth
2016-04-08 14:08     ` Thomas Huth
2016-04-08 15:20     ` Andrew Jones
2016-04-08 15:20       ` Andrew Jones
2016-04-11  1:55 ` David Gibson
2016-04-11  1:55   ` David Gibson
2016-04-11  9:23   ` Thomas Huth
2016-04-11  9:23     ` Thomas Huth
2016-04-12  1:21     ` David Gibson
2016-04-12  1:21       ` David Gibson
2016-04-12 21:32       ` Greg Harmon [this message]
2016-04-14  8:18         ` Thomas Huth
2016-04-14 16:43           ` Greg Harmon
2016-04-15  8:43             ` Andrew Jones
2016-04-19  8:20             ` Thomas Huth

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