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Date:   Thu, 1 Jul 2021 22:45:52 +0300
From:   Mike Rapoport <rppt@kernel.org>
To:     Dave Hansen <dave.hansen@intel.com>
Cc:     x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
        Andy Lutomirski <luto@amacapital.net>,
        Andy Shevchenko <andy@infradead.org>,
        Ard Biesheuvel <ardb@kernel.org>, Baoquan He <bhe@redhat.com>,
        Borislav Petkov <bp@alien8.de>,
        Darren Hart <dvhart@infradead.org>,
        Dave Young <dyoung@redhat.com>,
        Hugh Dickins <hughd@google.com>,
        Ingo Molnar <mingo@redhat.com>,
        Jonathan Corbet <corbet@lwn.net>,
        Lianbo Jiang <lijiang@redhat.com>,
        Mike Rapoport <rppt@linux.ibm.com>,
        Randy Dunlap <rdunlap@infradead.org>,
        Thomas Gleixner <tglx@linutronix.de>,
        linux-doc@vger.kernel.org, linux-efi@vger.kernel.org,
        linux-kernel@vger.kernel.org, platform-driver-x86@vger.kernel.org
Subject: Re: [PATCH 1/3] x86/setup: always reserve the first 1M of RAM
Message-ID: <YN4bcMK3pX7X4AiX@kernel.org>
References: <20210601075354.5149-1-rppt@kernel.org>
 <20210601075354.5149-2-rppt@kernel.org>
 <cc655618-9e30-9377-4fcf-c967707b4b0b@intel.com>
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On Thu, Jul 01, 2021 at 10:15:29AM -0700, Dave Hansen wrote:
> On 6/1/21 12:53 AM, Mike Rapoport wrote:
> > There are BIOSes that are known to corrupt the memory under 1M, or more
> > precisely under 640K because the memory above 640K is anyway reserved for
> > the EGA/VGA frame buffer and BIOS.
> 
> Should there have been a Cc: stable@ on this?
> 
> Seems like the kind of thing we'd want backported.

The commit this patch is fixing (a799c2bd29d1) went to v5.13-rc1, so there
is no need to backport it.

-- 
Sincerely yours,
Mike.