Subject: Re: [PATCH] KVM: ppc: Fix size of the PSPB register

From: Benjamin Herrenschmidt <[email-masked]>
Date: Wed, 02 Sep 2015 08:30:25 +1000

On Wed, 2015-09-02 at 08:24 +1000, Paul Mackerras wrote:
> On Tue, Sep 01, 2015 at 11:41:18PM +0200, Thomas Huth wrote:
> > The size of the Problem State Priority Boost Register is only
> > 32 bits, so let's change the type of the corresponding variable
> > accordingly to avoid future trouble.
> 
> Since we're already using lwz/stw in the assembly code in
> book3s_hv_rmhandlers.S, this is actually a bug fix, isn't it?
> How did you find it?  Did you observe a failure of some kind, or did
> you just find it by code inspection?

Won't the fix break migration ? Unless qemu doens't migrate it ...

> Paul.
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