From nobody Fri Dec 19 19:34:10 2025 Received: from out28-148.mail.aliyun.com (out28-148.mail.aliyun.com [115.124.28.148]) (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 D4DE22D47EF for ; Thu, 4 Dec 2025 12:54:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=115.124.28.148 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764852882; cv=none; b=mu4x3itidA6bw5uJvzlqwYZ9XdgZ8hpmm3wXeLAXf7vQU+geJO0wRREThYeVpJ6dqi+2lvtuVLbi9X6m9NlgLf5csmF4qm47Fj0Ou46PxrL9CCGth27L1sazEqwqckB0ptBdNApsmQc+8aPXttCVupdmiNgK4E2CVg6g+XSdAZc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764852882; c=relaxed/simple; bh=3BmtIOIP+Irez+lMYsdyrX2HlvMPJ1YT+eAVPsYSjvA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=jExYlQqER7CGVelDpqN4hIeO5m1GN2FCKN4XLw0tFPk+7nWRG5A/67rhtCIIw1d0A18jjpjP6irfbKfcxNR8ehc0T8sF9euPY+e/KJgZ2nE2dGL0wwudzuk3MHspDbjDTxZD/Ug+9wCKy6179hylVQwhHB/gup0FAeDqVKtrQA4= 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=115.124.28.148 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_---.fcqdLc5_1764851933 cluster:ay29) by smtp.aliyun-inc.com; Thu, 04 Dec 2025 20:38:55 +0800 From: Xiaochen Shen To: tony.luck@intel.com, reinette.chatre@intel.com, bp@alien8.de, fenghuay@nvidia.com Cc: babu.moger@amd.com, james.morse@arm.com, Dave.Martin@arm.com, x86@kernel.org, linux-kernel@vger.kernel.org, shenxiaochen@open-hieco.net Subject: [PATCH 1/3] selftests/resctrl: Add CPU vendor detection for Hygon Date: Thu, 4 Dec 2025 20:38:14 +0800 Message-ID: <20251204123816.2802393-2-shenxiaochen@open-hieco.net> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20251204123816.2802393-1-shenxiaochen@open-hieco.net> References: <20251204123816.2802393-1-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 | 1 + tools/testing/selftests/resctrl/resctrl_tests.c | 2 ++ 2 files changed, 3 insertions(+) diff --git a/tools/testing/selftests/resctrl/resctrl.h b/tools/testing/self= tests/resctrl/resctrl.h index cd3adfc14969..df2a59e0141e 100644 --- a/tools/testing/selftests/resctrl/resctrl.h +++ b/tools/testing/selftests/resctrl/resctrl.h @@ -38,6 +38,7 @@ */ #define ARCH_INTEL 1 #define ARCH_AMD 2 +#define ARCH_HYGON 3 =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