From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9EFB018C2C; Mon, 15 Dec 2025 01:38:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765762680; cv=none; b=hDxhc9fJB2cttphyFvZ3lG72tbU1VDNXYEH8toY/V7kvPt7RuNvPn1GVVqs0eT2/Wei2AddSKTprlEdCtA+I5S+DKrOADSMh6aM7xMwDSAUu9axyMNafXNmYeXfSkFHXpnOQQDIuhI2aobvaWqFS+QPIPnEIEXh4kakwSFTHvu4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765762680; c=relaxed/simple; bh=ktoC2F+cqjQpF7Xk4h8T7/cY2+CJYjsIeRNi1E10N2o=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=dGJU8cE141BbkYzvici0EPq+4n8pRFKvyXKWqL0rZ+rBsm3eZ3qENA/tEKBF4r38O0oFv8yo9TxHEY+/STWi4dvGfjWlx92tc+n9YusPAhufeV401vjnr2jzKU7MhivITf5wWIaDvIa85/YmqZwrTRdlanrBJdM2rw3K1r11NNM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=pm6qAvVP; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="pm6qAvVP" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C7628C4CEF1; Mon, 15 Dec 2025 01:37:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1765762680; bh=ktoC2F+cqjQpF7Xk4h8T7/cY2+CJYjsIeRNi1E10N2o=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=pm6qAvVPzEtBhNiEnrj2dDQo5enTK7azS63Xv+N00DQPyfsIvwZ8NVeqvbTmjdnwR N4et/2ca47CEiNlrCl2XpeRXbGfMUe8MRuEC0rQWLW3+4n5z9rVX/5b8lX4ci8DTei hjzdLnTxVJuMtmT6F4Ab/Zq8t8v9peDandiLFzDUMVbi14SiSZmLt3Ob8nQbuiO4W2 bkhJA39AghEdrczGOz2oMXxNBuYYK7in2u6xpT+eoBYKoA+MuxeB8uq6Es8JXOjveV K0rjCS/IKGPVFjqY4cj80uS9bYqo2PEkI6TBfF+9PlpEn1O12CojXYZmsqBCfV+kFF 9YJIr97htCSwg== Date: Sun, 14 Dec 2025 20:37:57 -0500 From: Sasha Levin To: Mauro Carvalho Chehab Cc: stable@vger.kernel.org, stable-commits@vger.kernel.org, jason@os.amperecomputing.com, "Rafael J. Wysocki" , Tony Luck , Borislav Petkov , Hanjun Guo , Mauro Carvalho Chehab , Shuai Xue , Len Brown Subject: Re: Patch "RAS: Report all ARM processor CPER information to userspace" has been added to the 6.18-stable tree Message-ID: References: <20251213094943.4133950-1-sashal@kernel.org> <20251213111405.65980c34@foz.lan> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: <20251213111405.65980c34@foz.lan> 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 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 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