From patchwork Tue Apr 16 03:20:01 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Haitao Huang X-Patchwork-Id: 13631149 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.7]) (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 96579199BC; Tue, 16 Apr 2024 03:20:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.7 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713237617; cv=none; b=htuqPApBxOhFh2NoxUn3rHMF4LIszBTb1WhPt+Ls/9fVMS+USWof+hsxNhcjjg+XygolAPrb6nx6CpKCGFbWv0VKQPS7UQIJ3MxcPqChXWmFofq5dNfrxOAowATMliRbOmBs8TMNTsn2BOhmsBoyqkLJhbkEmxkobg/5rubVkSs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713237617; c=relaxed/simple; bh=sJFW0ltM0O1BHkI+u582PzoUZyLLTIZYbeD8rl/i1fI=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=PDOyoiVswpiDiMaVDqbTlAgljGy556qA3yjBU0PQCyXw+aszRHUc9cEbfsdVaZbUig8iN9uLHO5Jm2AsfmUX6hHpaMLZm0KwpokF0y1NFWV44l5JHeip/0o5jo7+W9xiB/IlxG+zyad1KMhtlUA+3UrInir50Q3FbJyUi9V5lhU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=none smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=aBcol3Xj; arc=none smtp.client-ip=192.198.163.7 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="aBcol3Xj" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1713237616; x=1744773616; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=sJFW0ltM0O1BHkI+u582PzoUZyLLTIZYbeD8rl/i1fI=; b=aBcol3XjGzHMi1X07Jv90PWUz8ljH3eNr1086cPfH5YzR9C9y7Rx0euJ kcxoiJZrXHopByDX2V1dSO8FM6VFeskZvK9vMRlJnYGX/FmPMh0Rn5kaP VJphWP+DCNHsCmkk5x3b/1JQsPcWadQupWAaMfbxWBIGWZ0F5HrnGdXFs DigKLhBT1VQ8/Ofp18ZlaVK8dSPQ6veOFDa7GH7ryKiuf6Y1RZeuYtxR2 Z5H7rk8mIojsUW37+U/S/YeOwwZ+JtjfRvAYj5vlZP88/egjovGu8yRil aKv6Aht5eJuCkIVU9AsOIcXrAKETebNYqryiheNwsCpvucobluhD/dvEP g==; X-CSE-ConnectionGUID: HOxi1cIIRpawlSLxsy9Vrg== X-CSE-MsgGUID: WpXh5EZ/QgKZhpR9Mu8S9A== X-IronPort-AV: E=McAfee;i="6600,9927,11045"; a="34043347" X-IronPort-AV: E=Sophos;i="6.07,204,1708416000"; d="scan'208";a="34043347" Received: from fmviesa008.fm.intel.com ([10.60.135.148]) by fmvoesa101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Apr 2024 20:20:15 -0700 X-CSE-ConnectionGUID: F5LHHcV9RwqC3dChWwSpPg== X-CSE-MsgGUID: lh30yp3NQ6OvKyIFuzqoGw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.07,204,1708416000"; d="scan'208";a="22193584" Received: from b4969161e530.jf.intel.com ([10.165.56.46]) by fmviesa008.fm.intel.com with ESMTP; 15 Apr 2024 20:20:14 -0700 From: Haitao Huang To: jarkko@kernel.org, dave.hansen@linux.intel.com, kai.huang@intel.com, tj@kernel.org, mkoutny@suse.com, linux-kernel@vger.kernel.org, linux-sgx@vger.kernel.org, x86@kernel.org, cgroups@vger.kernel.org, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, hpa@zytor.com, sohil.mehta@intel.com, tim.c.chen@linux.intel.com Cc: zhiquan1.li@intel.com, kristen@linux.intel.com, seanjc@google.com, zhanb@microsoft.com, anakrish@microsoft.com, mikko.ylinen@linux.intel.com, yangjie@microsoft.com, chrisyan@microsoft.com Subject: [PATCH v12 04/14] cgroup/misc: Add SGX EPC resource type Date: Mon, 15 Apr 2024 20:20:01 -0700 Message-Id: <20240416032011.58578-5-haitao.huang@linux.intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240416032011.58578-1-haitao.huang@linux.intel.com> References: <20240416032011.58578-1-haitao.huang@linux.intel.com> Precedence: bulk X-Mailing-List: linux-sgx@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Kristen Carlson Accardi Add SGX EPC memory, MISC_CG_RES_SGX_EPC, to be a valid resource type for the misc controller. Signed-off-by: Kristen Carlson Accardi Co-developed-by: Haitao Huang Signed-off-by: Haitao Huang Reviewed-by: Jarkko Sakkinen Reviewed-by: Kai Huang Tested-by: Jarkko Sakkinen --- V12: - Remove CONFIG_CGROUP_SGX_EPC (Jarkko) V6: - Split the original patch into this and the preceding one (Kai) --- include/linux/misc_cgroup.h | 4 ++++ kernel/cgroup/misc.c | 4 ++++ 2 files changed, 8 insertions(+) diff --git a/include/linux/misc_cgroup.h b/include/linux/misc_cgroup.h index 541a5611c597..440ed2bb8053 100644 --- a/include/linux/misc_cgroup.h +++ b/include/linux/misc_cgroup.h @@ -17,6 +17,10 @@ enum misc_res_type { MISC_CG_RES_SEV, /* AMD SEV-ES ASIDs resource */ MISC_CG_RES_SEV_ES, +#endif +#ifdef CONFIG_X86_SGX + /* SGX EPC memory resource */ + MISC_CG_RES_SGX_EPC, #endif MISC_CG_RES_TYPES }; diff --git a/kernel/cgroup/misc.c b/kernel/cgroup/misc.c index 7d852139121a..863f9147602b 100644 --- a/kernel/cgroup/misc.c +++ b/kernel/cgroup/misc.c @@ -24,6 +24,10 @@ static const char *const misc_res_name[] = { /* AMD SEV-ES ASIDs resource */ "sev_es", #endif +#ifdef CONFIG_X86_SGX + /* Intel SGX EPC memory bytes */ + "sgx_epc", +#endif }; /* Root misc cgroup */