From patchwork Tue Dec 5 10:49:56 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Li, Xin3" X-Patchwork-Id: 13479970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 64A54C10F05 for ; Tue, 5 Dec 2023 11:21:42 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.647564.1010881 (Exim 4.92) (envelope-from ) id 1rATUb-0005Ro-5p; Tue, 05 Dec 2023 11:21:33 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 647564.1010881; Tue, 05 Dec 2023 11:21:33 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1rATUa-0005Py-Sv; Tue, 05 Dec 2023 11:21:32 +0000 Received: by outflank-mailman (input) for mailman id 647564; Tue, 05 Dec 2023 11:21:31 +0000 Received: from se1-gles-flk1-in.inumbo.com ([94.247.172.50] helo=se1-gles-flk1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1rATUZ-0003dP-TU for xen-devel@lists.xenproject.org; Tue, 05 Dec 2023 11:21:31 +0000 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.12]) by se1-gles-flk1.inumbo.com (Halon) with ESMTPS id 6e40954d-9360-11ee-9b0f-b553b5be7939; Tue, 05 Dec 2023 12:21:27 +0100 (CET) Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by orvoesa104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Dec 2023 03:21:19 -0800 Received: from unknown (HELO fred..) ([172.25.112.68]) by fmsmga006.fm.intel.com with ESMTP; 05 Dec 2023 03:21:17 -0800 X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: 6e40954d-9360-11ee-9b0f-b553b5be7939 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1701775288; x=1733311288; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=x84ckBkGQ2mHZOwuZkHd1Fjs3DcMdeHjBJ7YSwg1yco=; b=mG+79kt1PnclPWYi/wfM9HpXrxbRn+HR5TS1C0tWhfczgmGW2vgW+VDc F7C0AXLgP0expNv0iIaot4va8cemLadJibBONaFB2HgaYupCqJyJfpPuR gz0ax6VW/vbHa4e1f7tXJ/6NBDtNAVOSAETMZtrYHLussUq4HN8R0W5Br COy0BRHGZ0QIS16SQxDLkFtjv1gMjLsh1mcMKPSWktXP8GKR8fd7cLtPg caz1qgbAGeBqQ1XY/jLG5CbYhl2rvV7mARNESUWUJ685YyzyXXu/f6LTg X/FraMH4SYb+eFmo0L/FC2CT8YT0Sv9kz7lpBJimDFwEGTFf3pNWscgNb w==; X-IronPort-AV: E=McAfee;i="6600,9927,10914"; a="942395" X-IronPort-AV: E=Sophos;i="6.04,252,1695711600"; d="scan'208";a="942395" X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10914"; a="1018192919" X-IronPort-AV: E=Sophos;i="6.04,252,1695711600"; d="scan'208";a="1018192919" From: Xin Li To: linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-edac@vger.kernel.org, linux-hyperv@vger.kernel.org, kvm@vger.kernel.org, xen-devel@lists.xenproject.org Cc: tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, dave.hansen@linux.intel.com, x86@kernel.org, hpa@zytor.com, luto@kernel.org, pbonzini@redhat.com, seanjc@google.com, peterz@infradead.org, jgross@suse.com, ravi.v.shankar@intel.com, mhiramat@kernel.org, andrew.cooper3@citrix.com, jiangshanlai@gmail.com, nik.borisov@suse.com, shan.kang@intel.com Subject: [PATCH v13 07/35] x86/fred: Disable FRED support if CONFIG_X86_FRED is disabled Date: Tue, 5 Dec 2023 02:49:56 -0800 Message-ID: <20231205105030.8698-8-xin3.li@intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20231205105030.8698-1-xin3.li@intel.com> References: <20231205105030.8698-1-xin3.li@intel.com> MIME-Version: 1.0 From: "H. Peter Anvin (Intel)" Add CONFIG_X86_FRED to to make cpu_feature_enabled() work correctly with FRED. Originally-by: Megha Dey Signed-off-by: H. Peter Anvin (Intel) Tested-by: Shan Kang Signed-off-by: Xin Li --- Changes since v10: * FRED feature is defined in cpuid word 12, not 13 (Nikolay Borisov). --- arch/x86/include/asm/disabled-features.h | 8 +++++++- tools/arch/x86/include/asm/disabled-features.h | 8 +++++++- 2 files changed, 14 insertions(+), 2 deletions(-) diff --git a/arch/x86/include/asm/disabled-features.h b/arch/x86/include/asm/disabled-features.h index 702d93fdd10e..f40b29d3abad 100644 --- a/arch/x86/include/asm/disabled-features.h +++ b/arch/x86/include/asm/disabled-features.h @@ -117,6 +117,12 @@ #define DISABLE_IBT (1 << (X86_FEATURE_IBT & 31)) #endif +#ifdef CONFIG_X86_FRED +# define DISABLE_FRED 0 +#else +# define DISABLE_FRED (1 << (X86_FEATURE_FRED & 31)) +#endif + /* * Make sure to add features to the correct mask */ @@ -133,7 +139,7 @@ #define DISABLED_MASK10 0 #define DISABLED_MASK11 (DISABLE_RETPOLINE|DISABLE_RETHUNK|DISABLE_UNRET| \ DISABLE_CALL_DEPTH_TRACKING|DISABLE_USER_SHSTK) -#define DISABLED_MASK12 (DISABLE_LAM) +#define DISABLED_MASK12 (DISABLE_FRED|DISABLE_LAM) #define DISABLED_MASK13 0 #define DISABLED_MASK14 0 #define DISABLED_MASK15 0 diff --git a/tools/arch/x86/include/asm/disabled-features.h b/tools/arch/x86/include/asm/disabled-features.h index 702d93fdd10e..f40b29d3abad 100644 --- a/tools/arch/x86/include/asm/disabled-features.h +++ b/tools/arch/x86/include/asm/disabled-features.h @@ -117,6 +117,12 @@ #define DISABLE_IBT (1 << (X86_FEATURE_IBT & 31)) #endif +#ifdef CONFIG_X86_FRED +# define DISABLE_FRED 0 +#else +# define DISABLE_FRED (1 << (X86_FEATURE_FRED & 31)) +#endif + /* * Make sure to add features to the correct mask */ @@ -133,7 +139,7 @@ #define DISABLED_MASK10 0 #define DISABLED_MASK11 (DISABLE_RETPOLINE|DISABLE_RETHUNK|DISABLE_UNRET| \ DISABLE_CALL_DEPTH_TRACKING|DISABLE_USER_SHSTK) -#define DISABLED_MASK12 (DISABLE_LAM) +#define DISABLED_MASK12 (DISABLE_FRED|DISABLE_LAM) #define DISABLED_MASK13 0 #define DISABLED_MASK14 0 #define DISABLED_MASK15 0