Re: Patch "RAS: Report all ARM processor CPER information to userspace" has been added to the 6.18-stable tree

[Sasha Levin <sashal@kernel.org>]

On Sat, Dec 13, 2025 at 11:14:05AM +0100, Mauro Carvalho Chehab wrote:
>Hi Sacha,
>
>Em Sat, 13 Dec 2025 04:49:42 -0500
>Sasha Levin <sashal@kernel.org> escreveu:
>
>> This is a note to let you know that I've just added the patch titled
>>
>>     RAS: Report all ARM processor CPER information to userspace
>>
>> to the 6.18-stable tree which can be found at:
>>     http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
>>
>> The filename of the patch is:
>>      ras-report-all-arm-processor-cper-information-to-use.patch
>> and it can be found in the queue-6.18 subdirectory.
>>
>> If you, or anyone else, feels it should not be added to the stable tree,
>> please let <stable@vger.kernel.org> know about it.
>
>You should also backport this patch(*):
>
>	96b010536ee0 efi/cper: align ARM CPER type with UEFI 2.9A/2.10 specs
>
>It fixes a bug at the UEFI parser for the ARM Processor Error record:
>basically, the specs were not clear about how the error type should be
>reported. The Kernel implementation were assuming that this was an
>enum, but UEFI errata 2.9A make it clear that the value is a bitmap.
>
>So, basically, all kernels up to 6.18 are not parsing the field the
>expected way: only "Cache error" was properly reported. The other
>3 types were wrong.
>
>(*) You could need to backport those patches as well:
>
>	a976d790f494 efi/cper: Add a new helper function to print bitmasks
>	8ad2c72e21ef efi/cper: Adjust infopfx size to accept an extra space

Sure, I'll grab those too. Thanks!

-- 
Thanks,
Sasha