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

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Message-ID: <c3dcdf14c51adfa7558eeaec4378287e@ispras.ru>
Date:   Tue, 31 Jan 2023 13:00:28 +0300
From:   Evgeniy Baskov <baskov@...ras.ru>
To:     Ard Biesheuvel <ardb@...nel.org>
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 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!