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 839B5253950; Fri, 9 Jan 2026 23:51:42 +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=1768002702; cv=none; b=ZjjVj5BqKc2bOhFyOsBSBmOKd0+7BOX0EktF9flywrgX/1uhJPQdLQvotEHFmQ3ae0Mne4SZSLlElxKSJ/BEN3+5W5i5P5x7xaM63cSg1dJH1A+qjb972xG6k1zvW2BQCzPow+HBj12bv3WAVrhEIM2Dz7kSEulxFmYYCHiyIuU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768002702; c=relaxed/simple; bh=cGjPthbQutvG5xFLlcwjuXKwp0hbnSQtg9LnfpnTQ5k=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=pa+JGkrnvaAVszBR9IFNqaiiktAsLYB1/SGF7JgO6QeL+mqSSSb3gbzMP9n3IvLv7T5LaB+n7MbLz1PJeXs3ldjpfe7SyN5bhw6+DrLM7buHMCB+cDbfJ2OhGZY0UHpOGnmeIp3PHUoGufIeKeX0oa06kgEApCybs1M9ObFZwHQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ppZ3pm0d; 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="ppZ3pm0d" Received: by smtp.kernel.org (Postfix) with ESMTPSA id AFE7DC4CEF1; Fri, 9 Jan 2026 23:51:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1768002702; bh=cGjPthbQutvG5xFLlcwjuXKwp0hbnSQtg9LnfpnTQ5k=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=ppZ3pm0dSiCsvTQq3Kr+8rcqkTsfOP/JAZ4rl8h162hYyMUuHZkIA0QuZOknfp3X+ px/eH/rQl4RgVZ2MqJHj53W6ba0xQHdvuLFbabhytwfQi5aKkMSyTc1EIP7cJdX4mU uOnU0G0AquIq9TeP9Zh3TJrdRkW0Y5SoUs9iVEpUXTVCByN6itu8TbFjmKVjYFOLLr js6l+9mL0GLFchx0cgBEzA9EId5rnVz3vGwJ4/NEnsrtc5dkn2GWy6QloVBcwKREET xva7g1V+HCrbB6IKOy2hgo3cQGCwbGeQz+efbEJ397CnRBFUPqqAlB1dbc/ZBfdkPa qDNFFzPWnOgrw== Message-ID: <3692e9fb-b827-413f-902e-a57d6d3aca20@kernel.org> Date: Fri, 9 Jan 2026 16:51:41 -0700 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v5 0/4] selftests/resctrl: Add Hygon CPUs support and bug fixes To: Reinette Chatre , Xiaochen Shen , tony.luck@intel.com, bp@alien8.de, fenghuay@nvidia.com, shuah@kernel.org Cc: babu.moger@amd.com, james.morse@arm.com, Dave.Martin@arm.com, x86@kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, Shuah Khan References: <20251217030456.3834956-1-shenxiaochen@open-hieco.net> Content-Language: en-US From: Shuah In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Hi Reinette, On 1/8/26 09:02, Reinette Chatre wrote: > Dear Shuah, > > Could you please consider this series for inclusion? > > Thank you very much. > > Reinette > > On 12/16/25 7:04 PM, Xiaochen Shen wrote: >> The resctrl selftest currently exhibits several failures on Hygon CPUs >> due to missing vendor detection and edge-case handling specific to >> Hygon's architecture. >> >> This patch series addresses three distinct issues: >> 1. A division-by-zero crash in SNC detection on some platforms (e.g., >> Hygon). >> 2. Missing CPU vendor detection, causing the test to fail with >> "# Can not get vendor info..." on Hygon CPUs. >> 3. Incorrect handling of non-contiguous CBM support on Hygon CPUs. >> >> These changes enable resctrl selftest to run successfully on >> Hygon CPUs that support Platform QoS features. >> >> Maintainer notes: >> ----------------- >> Patch 1: selftests/resctrl: Fix a division by zero error on Hygon >> - This is a candidate for backport with "Fixes:" tag. >> >> Patch 2: selftests/resctrl: Define CPU vendor IDs as bits to match usage >> - This is *not* a candidate for backport since it is an enhancement and >> preparatory patch for patch 3. >> >> Patch 3: selftests/resctrl: Add CPU vendor detection for Hygon >> Patch 4: selftests/resctrl: Fix non-contiguous CBM check for Hygon >> - Even though they are fixes they are *not* candidates for backport >> since they are based on another patch series (x86/resctrl: Fix >> Platform QoS issues for Hygon) which is in process of being added to >> resctrl. >> ----------------- Applied to linux-kselftest next branch for Linux 6.20-rc1 thanks, -- Shuah