From patchwork Fri Jun 16 03:23:05 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tao Su X-Patchwork-Id: 13281988 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.gnu.org (lists.gnu.org [209.51.188.17]) (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 958B1EB64DB for ; Fri, 16 Jun 2023 03:25:16 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qA03a-0000DP-Ic; Thu, 15 Jun 2023 23:23:26 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qA03Y-0000CL-1x for qemu-devel@nongnu.org; Thu, 15 Jun 2023 23:23:24 -0400 Received: from mga04.intel.com ([192.55.52.120]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qA03V-0002FT-VQ for qemu-devel@nongnu.org; Thu, 15 Jun 2023 23:23:23 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1686885802; x=1718421802; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=nmp3WPXbX8yzSHlWPiFArAIGComLEPbWBjW0aJtF6zM=; b=Wkjy57jijb68wNlpPkI+Nc0YWsFXCXXXH9JaaLFNx7sEHkzbR5V98Fix UBFkJwj0FHyyK/qasld4FdvbivCUGvpmp8OKRU8iaXSsrOTwrcl3eLWvi jwLDQQi8hvXrWldieyqmTjIV5OqCityj1m+eXhDJR8fU13FBM7drup6ue 3156mBKX8rcPNIaDYbYudSjU7AVLfA9c7ceG4OhnalphRSBuyXzaZu7up d/Es2BAJM/NLTbqRC3eGXDXld2LiK0n6SGKA2s+IG3Zh6b35/muPi84RZ RtlOUwfHsnmaWp6SZmeVvS2tQePDUR+nP6BY6nbgMP+stnmAK5NglbCyV Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10742"; a="357979151" X-IronPort-AV: E=Sophos;i="6.00,246,1681196400"; d="scan'208";a="357979151" Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Jun 2023 20:23:19 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10742"; a="715845979" X-IronPort-AV: E=Sophos;i="6.00,246,1681196400"; d="scan'208";a="715845979" Received: from st-server.bj.intel.com ([10.240.193.102]) by fmsmga007.fm.intel.com with ESMTP; 15 Jun 2023 20:23:17 -0700 From: Tao Su To: qemu-devel@nongnu.org Cc: pbonzini@redhat.com, xiaoyao.li@intel.com, lei4.wang@intel.com, qian.wen@intel.com, imammedo@redhat.com, tao1.su@linux.intel.com Subject: [PATCH 1/7] target/i386: Add FEAT_7_1_EDX to adjust feature level Date: Fri, 16 Jun 2023 11:23:05 +0800 Message-Id: <20230616032311.19137-2-tao1.su@linux.intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230616032311.19137-1-tao1.su@linux.intel.com> References: <20230616032311.19137-1-tao1.su@linux.intel.com> MIME-Version: 1.0 Received-SPF: none client-ip=192.55.52.120; envelope-from=tao1.su@linux.intel.com; helo=mga04.intel.com X-Spam_score_int: -42 X-Spam_score: -4.3 X-Spam_bar: ---- X-Spam_report: (-4.3 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, SPF_NONE=0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Considering the case of FEAT_7_1_EAX being 0 and FEAT_7_1_EDX being non-zero, guest may report wrong maximum number sub-leaves in leaf 07H. So add FEAT_7_1_EDX to adjust feature level. Fixes: eaaa197d5b11 ("target/i386: Add support for AVX-VNNI-INT8 in CPUID enumeration") Signed-off-by: Tao Su Reviewed-by: Xiaoyao Li --- target/i386/cpu.c | 1 + 1 file changed, 1 insertion(+) diff --git a/target/i386/cpu.c b/target/i386/cpu.c index 1242bd541a..e8a70c35d2 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -6778,6 +6778,7 @@ void x86_cpu_expand_features(X86CPU *cpu, Error **errp) x86_cpu_adjust_feat_level(cpu, FEAT_6_EAX); x86_cpu_adjust_feat_level(cpu, FEAT_7_0_ECX); x86_cpu_adjust_feat_level(cpu, FEAT_7_1_EAX); + x86_cpu_adjust_feat_level(cpu, FEAT_7_1_EDX); x86_cpu_adjust_feat_level(cpu, FEAT_8000_0001_EDX); x86_cpu_adjust_feat_level(cpu, FEAT_8000_0001_ECX); x86_cpu_adjust_feat_level(cpu, FEAT_8000_0007_EDX);