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Wed, 30 Jul 2025 09:59:08 -0700 (PDT) Received: from localhost ([2a00:79e0:2e14:7:9b65:b0d6:4d11:d33b]) by smtp.gmail.com with UTF8SMTPSA id d2e1a72fcca58-76a00902a50sm4485424b3a.79.2025.07.30.09.59.07 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 30 Jul 2025 09:59:07 -0700 (PDT) Date: Wed, 30 Jul 2025 09:59:05 -0700 From: Brian Norris To: Greg Kroah-Hartman Cc: Ilpo =?iso-8859-1?Q?J=E4rvinen?= , Sasha Levin , stable@vger.kernel.org, patches@lists.linux.dev, Jian-Hong Pan , Bjorn Helgaas Subject: Re: [PATCH 6.13 445/623] PCI/ASPM: Save parent L1SS config in pci_save_aspm_l1ss_state() Message-ID: References: <20250205134456.221272033@linuxfoundation.org> <20250205134513.241757556@linuxfoundation.org> <7a41907d-14d0-a1a4-47d6-90ff572d5af9@linux.intel.com> <2025020621-remindful-occultist-b433@gregkh> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <2025020621-remindful-occultist-b433@gregkh> Hello, On Thu, Feb 06, 2025 at 03:29:35PM +0100, Greg Kroah-Hartman wrote: > On Thu, Feb 06, 2025 at 11:00:18AM +0200, Ilpo Järvinen wrote: > > On Wed, 5 Feb 2025, Greg Kroah-Hartman wrote: > > > > > 6.13-stable review patch. If anyone has any objections, please let me know. > > > > > > ------------------ > > > > > > From: Jian-Hong Pan > > > > > > [ Upstream commit 1db806ec06b7c6e08e8af57088da067963ddf117 ] > > > > > > After 17423360a27a ("PCI/ASPM: Save L1 PM Substates Capability for > > > suspend/resume"), pci_save_aspm_l1ss_state(dev) saves the L1SS state for > > > "dev", and pci_restore_aspm_l1ss_state(dev) restores the state for both > > > "dev" and its parent. [...] > > Please withhold this commit from stable until its fix ("PCI/ASPM: Fix L1SS > > saving") can be pushed at the same as having this commit alone can causes > > PCIe devices to becomes unavailable and hang the system during PM > > transitions. > > > > The fix is currently in pci/for-linus as the commit c312f005dedc, but > > Bjorn might add more reported-by/tested-by tags if more people hit it > > before the commit makes into Linus' tree so don't expect that commit id to > > be stable just yet. > > Ok, now dropped from all stable queues, thanks for letting us know. Any chance these can be re-included? That's: 1db806ec06b7 ("PCI/ASPM: Save parent L1SS config in pci_save_aspm_l1ss_state()") 7507eb3e7bfa ("PCI/ASPM: Fix L1SS saving") We've independently backported them into kernels we're using, but it seems wise to get 6.12.y, etc., back up to date. Brian