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 00DB1215F42 for ; Fri, 18 Jul 2025 12:11:58 +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=1752840719; cv=none; b=BPOBKm7jGy3DaVkRG/lu/mIEXwCsmBvyEKOJpbrJH49M/ms8CaVaaPHG9ClT9vAhuH/lWLitEosVLFfP/11d1FyfcwHXJZfrJjTdscN9WfjUxVM29WXl1zWJYTf3lVWE3iyLZIOEaumcbJ6sXWnfEnptvKLqO6wiY+WsKaBHoVo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752840719; c=relaxed/simple; bh=H5ulg1D2PmncouZNIkGRBL1+pMnm+it1GrK3QReAB1Q=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=dCP5cKmFCEVVLZWgqF7NZFZanGa/orJpae0mPeaZRXSYL6nkWPGG1Xpn4vw1OOuk6mH4JKM4Fym6YsmDCWRYfIse3aOWbYqjv1K32rSLc95q+FTK+lirUtjNtR+Bcbep6XC8mNIMqIhy2hAhsv22gLHGkugDAhH3/thN7osf7bE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Bu1XiidS; 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="Bu1XiidS" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3D6A3C4CEEB; Fri, 18 Jul 2025 12:11:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1752840718; bh=H5ulg1D2PmncouZNIkGRBL1+pMnm+it1GrK3QReAB1Q=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=Bu1XiidSZ4QUlYJJV9Wnh20gSobcZ5Muca6GZbLuNdSVuTO1r6++hjWiP4zXVf54R +bEYxLZwk/z797SflIcDOsqgICVj5+8kP0eSOQN3PI2xStyRv8YqagcU7Mi1meWPjm mnqaiWD3ftPkgr//zwgeSgewIvMUbolt0vrMLEZzpb9Cy0eZihzoTooiHVc7BqXfP1 jj1jTeBJdruW7e6vdT3JnVrxV/DgDsB9ZdnpK0ZC1UHqxkUgDCnhKerkNAYLB50B7U CvFfSN9gI6OXQAZWANxrxzCIHqnhXrgOAvAH2NnsduVOlPNgJBmVw1uKFaeu5ZATUt 7FtbLp5JnN3/g== Date: Fri, 18 Jul 2025 08:11:56 -0400 From: Sasha Levin To: Giovanni Cabiddu Cc: stable@vger.kernel.org Subject: Re: [PATCH 6.1] crypto: qat - fix ring to service map for QAT GEN4 Message-ID: References: <20250717170835.25211-1-giovanni.cabiddu@intel.com> <1752795908-8533c229@stable.kernel.org> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: On Fri, Jul 18, 2025 at 07:54:35AM +0100, Giovanni Cabiddu wrote: >Hi Sasha, > >On Thu, Jul 17, 2025 at 09:34:36PM -0400, Sasha Levin wrote: >> [ Sasha's backport helper bot ] >> >> Hi, >> >> Summary of potential issues: >> ⚠️ Found follow-up fixes in mainline >> >> The upstream commit SHA1 provided is correct: a238487f7965d102794ed9f8aff0b667cd2ae886 >> >> Status in newer kernel trees: >> 6.15.y | Present (exact SHA1) >> 6.12.y | Present (exact SHA1) >> 6.6.y | Present (different SHA1: 82e4aa18bb6d) > >This patch applies only to the v6.1.y kernel, as it is already present >in the other long-term stable branches. Yup - this part just verifies that the patch exists in all never trees. >> Found fixes commits: >> df018f82002a crypto: qat - fix ring to service map for dcc in 4xxx > >Regarding the follow-up fix: > > df018f82002a crypto: qat - fix ring to service map for dcc in 4xxx > >Not sending this to stable is intentional. > >The QAT driver in v6.1 does not support the DCC (data compression >chaining) service, which was introduced later in kernel v6.7 with commit >37b14f2dfa79 crypto: qat - enable dc chaining service. > >The original fix (a238487f7965 crypto: qat - fix ring to service map for >QAT GEN4) was supposed to address the problem also for DCC (as it landed >after the introduction of that service), but did not. Therefore the >follow-up fix df018f82002a was merged in kernel v6.9. > >Hope this clarifies. That helps, thanks! -- Thanks, Sasha