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Re: [Xen-devel] [PATCH] x86/amd: fix crash as Xen Dom0 on AMD Trinity systems
- To: "H. Peter Anvin" <hpa@xxxxxxxxx>
- From: Borislav Petkov <bp@xxxxxxxxx>
- Date: Wed, 30 May 2012 19:51:51 +0200
- Cc: Andre Przywara <andre.przywara@xxxxxxx>, jeremy@xxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxx, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>, Jacob Shin <jacob.shin@xxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, Jan Beulich <JBeulich@xxxxxxxx>, mingo@xxxxxxx, tglx@xxxxxxxxxxxxx
- Delivery-date: Wed, 30 May 2012 17:52:06 +0000
- List-id: Xen developer discussion <xen-devel.lists.xen.org>
- Mail-followup-to: Borislav Petkov <bp@xxxxxxxxx>, "H. Peter Anvin" <hpa@xxxxxxxxx>, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>, Jacob Shin <jacob.shin@xxxxxxx>, Andre Przywara <andre.przywara@xxxxxxx>, jeremy@xxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, Jan Beulich <JBeulich@xxxxxxxx>, mingo@xxxxxxx, tglx@xxxxxxxxxxxxx
On Wed, May 30, 2012 at 10:47:32AM -0700, H. Peter Anvin wrote:
> > I wouldn't do that. Andre's patch switches to the
> > rdmsrl_safe/checking_wrmsrl functions so you don't need to implement the
> > _regs functions for pvops.
> >
> But we just stated - it is wrong for K8?
Not executed on K8 - only on F15h, models 0x10 - 0x1f.
--
Regards/Gruss,
Boris.
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