From mboxrd@z Thu Jan 1 00:00:00 1970 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 61CE8CAC5BB for ; Wed, 8 Oct 2025 15:59:45 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1v6WYy-00089x-65; Wed, 08 Oct 2025 11:58:48 -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 1v6WYo-00086i-QA; Wed, 08 Oct 2025 11:58:41 -0400 Received: from mgamail.intel.com ([198.175.65.10]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1v6WYh-0001V7-Oq; Wed, 08 Oct 2025 11:58:38 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1759939111; x=1791475111; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=1BouwLaDdnUKXtsovcRtz7AKvj03mAL2ND+hoCcpCdw=; b=HAgmNnJ8sG389o1dnGqZqCkOcCLTacUrTThCBJ7OMoNbD3vmVlZtQUxD qD49EDVudJxEcPOyUgfBs5y1OM3yDvlP0ikTo6YyqgfCtnB6lqUKDbfRT K07l/jlp31JzoXjMFoJfw9DFl/QUfoFLSCz3eE78bsr8R7jCYcu555y/q yFGKGp7tXD0Omn10B/MdrGQ8SHuwH7Bvu7RUGu9XBwqImVDpClVjU1Jvh yRB5mrauGw6xFxHTtejHI1p7O8N/bNYFCMG5VDrt4weykph52gkUQui7u YUWW1rCq5PG7rlv84KINuEwzrkFoPMotc/MSRZY1aKpeKl5DImPX0f2kh Q==; X-CSE-ConnectionGUID: kQMDFUcmQ4y3vQgIUcxMhg== X-CSE-MsgGUID: hMHhScHFTSGjEgL05uk/AA== X-IronPort-AV: E=McAfee;i="6800,10657,11576"; a="79574800" X-IronPort-AV: E=Sophos;i="6.19,213,1754982000"; d="scan'208";a="79574800" Received: from fmviesa009.fm.intel.com ([10.60.135.149]) by orvoesa102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Oct 2025 08:58:24 -0700 X-CSE-ConnectionGUID: kj/JBHdVTO60oM9Exep1+A== X-CSE-MsgGUID: xs+Ut2d8RqihU9+DtpGDwQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,213,1754982000"; d="scan'208";a="180886281" Received: from liuzhao-optiplex-7080.sh.intel.com (HELO localhost) ([10.239.160.39]) by fmviesa009.fm.intel.com with ESMTP; 08 Oct 2025 08:58:23 -0700 Date: Thu, 9 Oct 2025 00:20:26 +0800 From: Zhao Liu To: Michael Tokarev Cc: qemu-devel@nongnu.org, qemu-stable@nongnu.org, Paolo Bonzini , Xiaoyao Li Subject: Re: [PATCH for-10.0.x] Revert "target/i386: do not expose ARCH_CAPABILITIES on AMD CPU" Message-ID: References: <20251008134112.527650-1-mjt@tls.msk.ru> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20251008134112.527650-1-mjt@tls.msk.ru> Received-SPF: pass client-ip=198.175.65.10; envelope-from=zhao1.liu@intel.com; helo=mgamail.intel.com X-Spam_score_int: -47 X-Spam_score: -4.8 X-Spam_bar: ---- X-Spam_report: (-4.8 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.442, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 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 On Wed, Oct 08, 2025 at 04:41:10PM +0300, Michael Tokarev wrote: > Date: Wed, 8 Oct 2025 16:41:10 +0300 > From: Michael Tokarev > Subject: [PATCH for-10.0.x] Revert "target/i386: do not expose > ARCH_CAPABILITIES on AMD CPU" > X-Mailer: git-send-email 2.47.3 > > This reverts commit 24778b1c7ee7aca9721ed4757b0e0df0c16390f7 > (v10.0.2-66-g24778b1c7ee7) from the 10.0.x branch. > > The problem is that the change makes qemu 10.0.x non-migratable > to subsequent qemu versions, since it requires introducing a new > machine type. > > This revert re-introduces the problem with windows guests (which > is already fixed in windows but not in prior versions). > Details: https://gitlab.com/qemu-project/qemu/-/issues/3001 > > Signed-off-by: Michael Tokarev > --- > target/i386/kvm/kvm.c | 6 +----- > 1 file changed, 1 insertion(+), 5 deletions(-) Reviewed-by: Zhao Liu