Re: [Xen-devel] [PATCH 02/19] xen: arm: add missing break

[Ian Campbell <ian.campbell@xxxxxxxxxx>]

On Thu, 2015-04-02 at 16:09 +0100, Julien Grall wrote:
> Hi Ian,
> 
> On 31/03/2015 11:07, Ian Campbell wrote:
> > Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
> >
> > xen: arm: Fix handling of ICC_{SGI1R,SGI0R,ASGI1R}_EL1
> >
> > Having injected an undefined instruction we don't want to also advance
> > pc. So return.
> >
> > THe ICC_{SGI0R,ASGI1R}_EL1 case was previously missing a break, so
> > would have fallen through to the default case and injected a second
> > undef, corrupting SPSR_EL1 and ELR_EL1 for the guest.
> >
> > Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
> Reviewed-by: Julien Grall <julien.grall@xxxxxxxxxx>

Thanks. I seem to have two commit messages for this one, I think from a
botched patch squash.

I've dropped the "add missing break" commit message, since I've actually
written about it in the final paragraph. I've kept your R-by regardless,
which I hope is ok.

Ian.


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