From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.15]) (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 916C51FBEA8 for ; Wed, 7 Jan 2026 07:22:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.15 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767770544; cv=none; b=Ng8w7JD9dJDrGPE3j0PnSjxEggEwy7IEM4Mw2mLfL8zZ+yvaHoKZr+A3q+Z8rFuP/wRDajrKNrcNzi7Z3H2qQ2Q9Drvq7v9inKY75StenW+7uSHsHEKDqgv335xxTnGy1n4/VX3V1/C/sQUcbViyqcMbkuecChgk0DfvKK8YJAQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767770544; c=relaxed/simple; bh=7lXZuzLzfx6HVQQePV4kMY1/hONMlODrwOZeuTwuKGQ=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Wr0BfaWKgBGricTLYevfAgSudIGFqB2/Jbt+e9ZPKDt+Y5M51+LQ5dFND2QqSCIFGzYJ/0nZvKbuljU5DJxXbiPLp2yYZGvOs12BNaU5k9ZXawyDCfcbbRDjnGr0xkdYFJSVErX/CmqrRhtolG1MbDN8zI7FFgPE2eItTe8fbY0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=cWtI5Z9A; arc=none smtp.client-ip=192.198.163.15 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="cWtI5Z9A" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1767770543; x=1799306543; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=7lXZuzLzfx6HVQQePV4kMY1/hONMlODrwOZeuTwuKGQ=; b=cWtI5Z9AW2LgLqyKVRgKDrNsAsrWN0WQYG8fvi9dMB3vATp/oe7VgYgG 8wNdVlrmORtV1Vd7bfBVHkrgc+0rCtRgMYV1/yG3AUwWQRdecKwHvp9xK CbHSSXMFSlyQHPuUqooStSKHUlNd4/7bm/+3xKseOmkSEVn+BFz+YTdzu YoFwPSMttivPtM5dhCkd3v5yOxT4qgGNuIb6QRzHTOa/kfHmunT9lIxvU 7QvqjGwGVhyXtljOIsuyBgI6Oxe9aSH6M+gZIayYFUJiQ/hSJNa/gfS7m N3rLiOEOubcYpR6LCgPa/rAg2P65Kc3JpXbYPulHFNIqxs92fsGAzTkcn g==; X-CSE-ConnectionGUID: 8Cf1taHwSK2WXyOvmE7nHQ== X-CSE-MsgGUID: RCgD67GUTV6/pVMO2jQofA== X-IronPort-AV: E=McAfee;i="6800,10657,11663"; a="69211155" X-IronPort-AV: E=Sophos;i="6.21,207,1763452800"; d="scan'208";a="69211155" Received: from fmviesa009.fm.intel.com ([10.60.135.149]) by fmvoesa109.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Jan 2026 23:22:22 -0800 X-CSE-ConnectionGUID: iXiuRILPSECNlthpJH7zSg== X-CSE-MsgGUID: YPri1uymQ/m08GxZoIpDLA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,207,1763452800"; d="scan'208";a="203304854" Received: from liuzhao-optiplex-7080.sh.intel.com (HELO localhost) ([10.239.160.39]) by fmviesa009.fm.intel.com with ESMTP; 06 Jan 2026 23:22:20 -0800 Date: Wed, 7 Jan 2026 15:47:45 +0800 From: Zhao Liu To: Shivansh Dhiman Cc: pbonzini@redhat.com, mtosatti@redhat.com, kvm@vger.kernel.org, qemu-devel@nongnu.org, seanjc@google.com, santosh.shukla@amd.com, nikunj.dadhania@amd.com, ravi.bangoria@amd.com, babu.moger@amd.com Subject: Re: [PATCH 3/5] i386: Enable CPUID 80000026 for EPYC-Genoa/Turin vCPU Message-ID: References: <20251121083452.429261-1-shivansh.dhiman@amd.com> <20251121083452.429261-4-shivansh.dhiman@amd.com> Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20251121083452.429261-4-shivansh.dhiman@amd.com> On Fri, Nov 21, 2025 at 08:34:50AM +0000, Shivansh Dhiman wrote: > Date: Fri, 21 Nov 2025 08:34:50 +0000 > From: Shivansh Dhiman > Subject: [PATCH 3/5] i386: Enable CPUID 80000026 for EPYC-Genoa/Turin vCPU > X-Mailer: git-send-email 2.43.0 > > Enable CPUID leaf 0x80000026 (Extended CPU Topology) for AMD Zen4+ processors, > i.e, Genoa and above. Add version 3 to EPYC-Genoa and version 2 to EPYC-Turin > CPU models with x-force-cpuid-0x80000026 property enabled. > > Signed-off-by: Shivansh Dhiman > --- > target/i386/cpu.c | 18 ++++++++++++++++++ > 1 file changed, 18 insertions(+) Reviewed-by: Zhao Liu