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Date: Fri, 29 Mar 2024 11:25:46 +0100
From: Greg KH <gregkh@linuxfoundation.org>
To: Easwar Hariharan <eahariha@linux.microsoft.com>
Cc: Sasha Levin <sashal@kernel.org>, stable@vger.kernel.org,
	jarredwhite@linux.microsoft.com,
	"Rafael J . Wysocki" <rafael.j.wysocki@intel.com>,
	linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: FAILED: Patch "ACPI: CPPC: Use access_width over bit_width for
 system memory accesses" failed to apply to 5.15-stable tree
Message-ID: <2024032936-bootleg-debtless-1975@gregkh>
References: <20240327121738.2833692-1-sashal@kernel.org>
 <b34308af-ebc9-4a0e-a27b-90d6e176c526@linux.microsoft.com>
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In-Reply-To: <b34308af-ebc9-4a0e-a27b-90d6e176c526@linux.microsoft.com>

On Wed, Mar 27, 2024 at 08:48:17AM -0700, Easwar Hariharan wrote:
> Hi Sasha,
> 
> On 3/27/2024 5:17 AM, Sasha Levin wrote:
> > The patch below does not apply to the 5.15-stable tree.
> > If someone wants it applied there, or to any other stable or longterm
> > tree, then please email the backport, including the original git commit
> > id to <stable@vger.kernel.org>.
> > 
> > Thanks,
> > Sasha
> > 
> > ------------------ original commit in Linus's tree ------------------
> > 
> >>>From 2f4a4d63a193be6fd530d180bb13c3592052904c Mon Sep 17 00:00:00 2001
> > From: Jarred White <jarredwhite@linux.microsoft.com>
> > Date: Fri, 1 Mar 2024 11:25:59 -0800
> > Subject: [PATCH] ACPI: CPPC: Use access_width over bit_width for system memory
> >  accesses
> > 
> > To align with ACPI 6.3+, since bit_width can be any 8-bit value, it
> > cannot be depended on to be always on a clean 8b boundary. This was
> > uncovered on the Cobalt 100 platform.
> > 
> 
> Please see the backport for this patch I sent earlier: https://lore.kernel.org/stable/6df99ad6-0402-4dcf-9a1c-7259436768dd@linux.microsoft.com/T/#u

Got it, now queued up, thanks!

greg k-h