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 19748CAC5A5 for ; Fri, 19 Sep 2025 07:08:15 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1uzVD1-0000Ju-ST; Fri, 19 Sep 2025 03:07:07 -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 1uzVCz-0000Ji-FU for qemu-devel@nongnu.org; Fri, 19 Sep 2025 03:07:05 -0400 Received: from mgamail.intel.com ([198.175.65.20]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1uzVCx-0004Ny-7c for qemu-devel@nongnu.org; Fri, 19 Sep 2025 03:07:05 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1758265623; x=1789801623; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=xtiUjVEaStWtrN2H3xtifqwcVUXGa2m0sLWRLbFg1/c=; b=lfzVhtYn73hxUNxwaYhP70zWUSnigBZwuaz+anZjukyrA5ptVHeVOBhZ KurGNgeR1EK8udzyuUvW8gdFVzdUahdjT8GYaa2TdzD4IdHQmdmF6hAIL YwU76JG1wqs73mYJiCLuCMFQ5BNmYiVhI26yQqy4oxqlBuDgUGDqlJd6W GQYbuUVTy9041mKMQ0iAO2pUhatiyhvPvo7uJ3So1mLvTRJbqmUMFTub7 PaxOtF99Ugj1TKy3PUaxf89ayIU7D5ptuptrgUiwRvyYdSDTrd+1+qYHK kwm35xO1a+9IwGQ3DnAB1CR7VEFcjn7iexHDKZBaUHLz7aGVTGHz4hOIg w==; X-CSE-ConnectionGUID: xfAkkroySxOdy6HhZRKN9Q== X-CSE-MsgGUID: trvBNiY7RBSM5nh+KKMUxg== X-IronPort-AV: E=McAfee;i="6800,10657,11557"; a="60304401" X-IronPort-AV: E=Sophos;i="6.18,277,1751266800"; d="scan'208";a="60304401" Received: from orviesa007.jf.intel.com ([10.64.159.147]) by orvoesa112.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Sep 2025 00:06:57 -0700 X-CSE-ConnectionGUID: cKKFsbV7ROqRZOQeABWF6g== X-CSE-MsgGUID: tN0hkEwVSkmmg1eFuV/cjQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.18,277,1751266800"; d="scan'208";a="175584352" Received: from unknown (HELO gnr-sp-2s-612.sh.intel.com) ([10.112.230.229]) by orviesa007-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Sep 2025 00:06:55 -0700 From: Zhenzhong Duan To: qemu-devel@nongnu.org Cc: alex.williamson@redhat.com, clg@redhat.com, eric.auger@redhat.com, mst@redhat.com, jasowang@redhat.com, peterx@redhat.com, yi.l.liu@intel.com, clement.mathieu--drif@eviden.com, Zhenzhong Duan Subject: [PATCH 0/2] Enable ESRTPS and simplify caching-mode=on check Date: Fri, 19 Sep 2025 03:06:36 -0400 Message-ID: <20250919070638.983549-1-zhenzhong.duan@intel.com> X-Mailer: git-send-email 2.47.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=198.175.65.20; envelope-from=zhenzhong.duan@intel.com; helo=mgamail.intel.com X-Spam_score_int: -43 X-Spam_score: -4.4 X-Spam_bar: ---- X-Spam_report: (-4.4 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.005, 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_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_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 Hi Patch1 enable ESRTPS to avoid three global invalidation request in guest kernel. Patch2 rework caching mode check with simpler code. Thanks Zhenzhong Zhenzhong Duan (2): intel_iommu: Enable Enhanced Set Root Table Pointer Support (ESRTPS) intel_iommu: Simplify caching mode check with VFIO device hw/i386/intel_iommu_internal.h | 1 + hw/i386/intel_iommu.c | 49 +++++----------------------------- hw/i386/pc.c | 20 -------------- 3 files changed, 8 insertions(+), 62 deletions(-) -- 2.47.1