RE: [PATCH] kvm/ppc/booke64: fix build breakage from Altivec, and disable e6500

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> -----Original Message-----
> From: Alexander Graf [mailto:agraf@xxxxxxx]
> Sent: Friday, May 10, 2013 9:23 PM
> To: Wood Scott-B07421
> Cc: Caraman Mihai Claudiu-B02008; Wood Scott-B07421; kvm-
> ppc@xxxxxxxxxxxxxxx; kvm@xxxxxxxxxxxxxxx
> Subject: Re: [PATCH] kvm/ppc/booke64: fix build breakage from Altivec,
> and disable e6500
> 
> 
> On 10.05.2013, at 20:06, Scott Wood wrote:
> 
> > On 05/10/2013 01:03:27 PM, Caraman Mihai Claudiu-B02008 wrote:
> >> > -----Original Message-----
> >> > From: kvm-ppc-owner@xxxxxxxxxxxxxxx [mailto:kvm-ppc-
> >> > owner@xxxxxxxxxxxxxxx] On Behalf Of Alexander Graf
> >> > Sent: Friday, May 10, 2013 7:51 PM
> >> > To: Caraman Mihai Claudiu-B02008
> >> > Cc: Wood Scott-B07421; kvm-ppc@xxxxxxxxxxxxxxx; kvm@xxxxxxxxxxxxxxx
> >> > Subject: Re: [PATCH] kvm/ppc/booke64: fix build breakage from
> Altivec,
> >> > and disable e6500
> >> >
> >> >
> >> > On 10.05.2013, at 18:50, Caraman Mihai Claudiu-B02008 wrote:
> >> >
> >> > >>> Do we really need to remove e6500 all together for this?
> >> > >>
> >> > >> No, just send real Altivec support quickly. We can add it to 3.10
> >> > through
> >> > >> stable if it's too later, but I'd prefer to have it in within the
> rc
> >> > >> phase.
> >> > >
> >> > > I should have it by Monday, the smoke tests passed.
> >> >
> >> > Please make sure it also works on 32bit :)
> >> I can make sure that it doesn't break 32-bit. Altivec is not present
> in
> >> e500v2/e500mc/e5500 cores and e6500 is supported only by 64-bit host.
> Are
> >> you looking for G4 support?
> >
> > Just because Altivec isn't present on 32-bit doesn't mean that a
> particular patch can't break things there.  Just as a patch to deal with
> lazy ee issues can break 32-bit, even though 32-bit doesn't have lazy ee.
> :-)
> 
> Yeah, that's what I was referring to :). G4s  use a different code path
> altogether and already work with Altivec for years.

Huh ... I forgot that G4 in handled under Book3S, not so obvious.

> I doubt you'll manage to break anything there :).

If you have stated breaks instead of works would have been more clear where
you were heading :-J

-Mike

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