linux-kernel - Re: [PATCH v2 0/2] Apply RMP table fixups for kexec.

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Message-ID: <c94d14e6-439d-4126-a44a-10a62ebf7d23@amd.com>
Date: Wed, 24 Apr 2024 14:10:03 -0500
From: "Kalra, Ashish" <ashish.kalra@....com>
To: Borislav Petkov <bp@...en8.de>
Cc: thomas.lendacky@....com, michael.roth@....com, x86@...nel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 0/2] Apply RMP table fixups for kexec.

Hello Boris,

On 4/20/2024 6:08 AM, Borislav Petkov wrote:
> Drop linux-tip-commits@...r.kernel.org from Cc.
>
> On Mon, Apr 15, 2024 at 09:08:56PM +0000, Ashish Kalra wrote:
>> From: Ashish Kalra <ashish.kalra@....com>
>>
>> Handle cases where the RMP table placement in the BIOS is
>> not 2M aligned and then the kexec kernel could try to allocate
>> from within that chunk and that causes a fatal RMP fault.
> Is this something that happens on existing systems currently so that it
> needs to be fixed upstream?

Patch 2/2 - includes the following Fixes tag, do i need to include the 
Fixes tag in the cover letter too ?

Fixes: c3b86e61b756 ("x86/cpufeatures: Enable/unmask SEV-SNP CPU feature")

Thanks,
Ashish