linux-kernel - Re: [PATCH v2 0/2] x86/cpu: fix invalid MTRR mask values for SEV or TME

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Message-ID: <CABgObfZ9od1XNVR_Xc6dBrvCDs3v=FwDLx6EZA_53W4kAo8jnA@mail.gmail.com>
Date: Tue, 13 Feb 2024 23:25:17 +0100
From: Paolo Bonzini <pbonzini@...hat.com>
To: Dave Hansen <dave.hansen@...el.com>
Cc: linux-kernel@...r.kernel.org, kvm@...r.kernel.org, 
	Zixi Chen <zixchen@...hat.com>, Adam Dunlap <acdunlap@...gle.com>, 
	"Kirill A . Shutemov" <kirill.shutemov@...ux.intel.com>, Xiaoyao Li <xiaoyao.li@...el.com>, 
	Kai Huang <kai.huang@...el.com>, Dave Hansen <dave.hansen@...ux.intel.com>, 
	Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...nel.org>, x86@...nel.org, 
	stable@...r.kernel.org
Subject: Re: [PATCH v2 0/2] x86/cpu: fix invalid MTRR mask values for SEV or TME

On Tue, Feb 13, 2024 at 11:02 PM Dave Hansen <dave.hansen@...el.com> wrote:
>
> On 2/13/24 07:45, Paolo Bonzini wrote:
> > Ping, either for applying the original patches or for guidance on how
> > to proceed.
>
> Gah, all of the gunk that get_cpu_address_sizes() touches are out of
> control.
>
> They (phys/virt_bits and clflush) need to get consolidated back to a
> single copy that gets set up *once* in early boot and then read by
> everyone else.
>
> I've got a series to do that, but it's got its tentacles
> in quite a few places.  They're not great backporting material.

Yes, same for mine. I probably digressed in a different direction than
you, but there will be conflicts almost surely. I can post my stuff in
the next few days.

Paolo