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Re: [Qemu-devel] [PATCH] linux-user: set ppc64/ppc64le default CPU to PO


From: Peter Maydell
Subject: Re: [Qemu-devel] [PATCH] linux-user: set ppc64/ppc64le default CPU to POWER8
Date: Mon, 15 Feb 2016 13:25:26 +0000

On 4 February 2016 at 18:56, Laurent Vivier <address@hidden> wrote:
> Set the default to the latest CPU version to have the
> largest set of available features.
>
> It is also really needed in little-endian mode because
> POWER7 is not really supported in this mode and some distros
> (at least debian) generate POWER8 code for their ppc64le target.
>
> Fixes: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=813698
>
> Signed-off-by: Laurent Vivier <address@hidden>

This patch is a good fix, but for the longer term is it possible
on PPC to define an "any" CPU which is the largest possible set
of usable-together userspace features? That would make it easier
for us to avoid this problem in the future for POWER9, POWER10,...

thanks
-- PMM



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