linux-hardening - Re: [PATCH v3 22/24] efi/libstub: Add memory attribute protocol definitions

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Date:   Tue, 31 Jan 2023 11:01:43 +0100
From:   Ard Biesheuvel <ardb@...nel.org>
To:     Evgeniy Baskov <baskov@...ras.ru>
Cc:     Borislav Petkov <bp@...en8.de>, Andy Lutomirski <luto@...nel.org>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Ingo Molnar <mingo@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Alexey Khoroshilov <khoroshilov@...ras.ru>,
        Peter Jones <pjones@...hat.com>,
        "Limonciello, Mario" <mario.limonciello@....com>,
        joeyli <jlee@...e.com>, lvc-project@...uxtesting.org,
        x86@...nel.org, linux-efi@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-hardening@...r.kernel.org
Subject: Re: [PATCH v3 22/24] efi/libstub: Add memory attribute protocol definitions

On Tue, 31 Jan 2023 at 11:00, Evgeniy Baskov <baskov@...ras.ru> wrote:
>
> On 2023-01-31 11:37, Ard Biesheuvel wrote:
> > On Tue, 22 Nov 2022 at 12:14, Evgeniy Baskov <baskov@...ras.ru> wrote:
> >>
> >> EFI_MEMORY_ATTRIBUTE_PROTOCOL servers as a better alternative to
> >> DXE services for setting memory attributes in EFI Boot Services
> >> environment. This protocol is better since it is a part of UEFI
> >> specification itself and not UEFI PI specification like DXE
> >> services.
> >>
> >> Add EFI_MEMORY_ATTRIBUTE_PROTOCOL definitions.
> >> Support mixed mode properly for its calls.
> >>
> >> Tested-by: Mario Limonciello <mario.limonciello@....com>
> >> Signed-off-by: Evgeniy Baskov <baskov@...ras.ru>
> >
> > I have fixed up just this patch, as there is another user for the
> > protocol in zboot.
> >
>
> One patch less in the patch set then, thanks!

I meant queued up not fixed up, but you get my point :-)