From nobody Fri Dec 19 17:27:01 2025 Received: from out28-3.mail.aliyun.com (out28-3.mail.aliyun.com [115.124.28.3]) (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 D7672309EFA; Fri, 5 Dec 2025 09:42:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=115.124.28.3 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764927747; cv=none; b=qt/8n37hoMXh9Tb17AsRU8sQ+70d4LQRvBmMn6z/ZfMMXBY83yEGcJ0XzF/K/WjGb/U6FYxgyTlupUYN0zjRci296QgW/+D7wh8GH4z4Bq8GLPfQU90bkantQ/4WE8nwyg+rzXyLMU0m2c6kTnHayy8fB1e0bwmvADq6VO07An8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764927747; c=relaxed/simple; bh=ppQPS0N9E/PJBcTSbSTk5MAHlDlKeG8mU7ofuh9dmOA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=BJljXUsfT8eRmbPaevmo2+ZsTOVumljf5Tkczznr/p8OIg1hqA168G8n3AIRRzbPLzxx9A+ez7buCqcHJ4HPbfJGuhxsZEbnD6pHW8LZI53I5xq7kVgtTe+sllLJtk2LISiqn/LWEie3WxeoGjMnZ280BhIpc9XAZWHzv5sxj7c= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=open-hieco.net; spf=pass smtp.mailfrom=open-hieco.net; arc=none smtp.client-ip=115.124.28.3 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=open-hieco.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=open-hieco.net Received: from localhost.localdomain(mailfrom:shenxiaochen@open-hieco.net fp:SMTPD_---.fdWs0T0_1764926783 cluster:ay29) by smtp.aliyun-inc.com; Fri, 05 Dec 2025 17:26:26 +0800 From: Xiaochen Shen To: tony.luck@intel.com, reinette.chatre@intel.com, bp@alien8.de, fenghuay@nvidia.com, shuah@kernel.org, skhan@linuxfoundation.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, shenxiaochen@open-hieco.net Subject: [PATCH v2 1/3] selftests/resctrl: Add CPU vendor detection for Hygon Date: Fri, 5 Dec 2025 17:25:42 +0800 Message-ID: <20251205092544.2685728-2-shenxiaochen@open-hieco.net> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20251205092544.2685728-1-shenxiaochen@open-hieco.net> References: <20251205092544.2685728-1-shenxiaochen@open-hieco.net> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" The resctrl selftest currently fails on Hygon CPUs that support Platform QoS features, printing the error: "# Can not get vendor info..." This occurs because vendor detection is missing for Hygon CPUs. Fix this by extending the CPU vendor detection logic to include Hygon's vendor ID. Signed-off-by: Xiaochen Shen --- tools/testing/selftests/resctrl/resctrl.h | 6 ++++-- tools/testing/selftests/resctrl/resctrl_tests.c | 2 ++ 2 files changed, 6 insertions(+), 2 deletions(-) diff --git a/tools/testing/selftests/resctrl/resctrl.h b/tools/testing/self= tests/resctrl/resctrl.h index cd3adfc14969..411ee10380a5 100644 --- a/tools/testing/selftests/resctrl/resctrl.h +++ b/tools/testing/selftests/resctrl/resctrl.h @@ -23,6 +23,7 @@ #include #include #include +#include #include "../kselftest.h" =20 #define MB (1024 * 1024) @@ -36,8 +37,9 @@ * Define as bits because they're used for vendor_specific bitmask in * the struct resctrl_test. */ -#define ARCH_INTEL 1 -#define ARCH_AMD 2 +#define ARCH_INTEL BIT(0) +#define ARCH_AMD BIT(1) +#define ARCH_HYGON BIT(2) =20 #define END_OF_TESTS 1 =20 diff --git a/tools/testing/selftests/resctrl/resctrl_tests.c b/tools/testin= g/selftests/resctrl/resctrl_tests.c index 5154ffd821c4..9bf35f3beb6b 100644 --- a/tools/testing/selftests/resctrl/resctrl_tests.c +++ b/tools/testing/selftests/resctrl/resctrl_tests.c @@ -42,6 +42,8 @@ static int detect_vendor(void) vendor_id =3D ARCH_INTEL; else if (s && !strcmp(s, ": AuthenticAMD\n")) vendor_id =3D ARCH_AMD; + else if (s && !strcmp(s, ": HygonGenuine\n")) + vendor_id =3D ARCH_HYGON; =20 fclose(inf); free(res); --=20 2.47.3