From nobody Wed Nov 19 00:16:27 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=intel.com ARC-Seal: i=1; a=rsa-sha256; t=1613441826; cv=none; d=zohomail.com; s=zohoarc; b=RDvxtHAZ3ZYKMV9NJT9XxD8rpE8mFcHnYuZxI8w2DxPYdX90lfSBBbSQ5fI6zCXwJ7AhNcf+M60pQ4QVFlk2rJkCSzdokWeiSeZX1/9NQLa0fjWXsItqkh88LGbq+BN3WpCupFcBfKBjTf8slNi0ii+XG3OE/YNfwV3DyNiMHxU= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1613441826; h=Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:Message-ID:References:Sender:Subject:To; bh=6PUB/JZWqpg7rxXnyG6aMmdxTx1TkJUPpbdDYe2ljEI=; b=nxzPKsD3EvGdlV8DmmwPRodVXd9FVHbXGdpmETR9Lx1nw7eP/Ue7yFKv62jQ3veG1+GBfjFywdIMi0147xALWMcqywcnlYT+C7mIV+rTHp3uutWA2PSOBmXfb0I8N8w3qu0Y+1SRUJn5fCxH6B46pCgQKBVB70a1xXkH4cujlsU= ARC-Authentication-Results: i=1; mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 161344182655067.5035947691481; Mon, 15 Feb 2021 18:17:06 -0800 (PST) Received: from localhost ([::1]:60822 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lBpvF-0007lB-7E for importer@patchew.org; Mon, 15 Feb 2021 21:17:05 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:45890) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lBptC-0005uM-1d for qemu-devel@nongnu.org; Mon, 15 Feb 2021 21:14:58 -0500 Received: from mga17.intel.com ([192.55.52.151]:25639) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lBptA-0001Zp-80 for qemu-devel@nongnu.org; Mon, 15 Feb 2021 21:14:57 -0500 Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Feb 2021 18:14:50 -0800 Received: from ls.sc.intel.com (HELO localhost) ([143.183.96.54]) by fmsmga005-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Feb 2021 18:14:50 -0800 IronPort-SDR: NqRHzaknoMs2Q/g8sy6WWZ3nGfDFCYwrqTA1qbc4bJMbtrOJUJYL+7RjKE3xPelWotCJ21vaaQ TKCGDLcL9XOg== X-IronPort-AV: E=McAfee;i="6000,8403,9896"; a="162558746" X-IronPort-AV: E=Sophos;i="5.81,182,1610438400"; d="scan'208";a="162558746" IronPort-SDR: 88S/oG2rYJg2xdPWaXvCFlX3HqKmlM8Ss/MBBUfayAfAiDqClhEX847js5vB1fRc+BXgEGdm2j lwoBExg6gACQ== X-IronPort-AV: E=Sophos;i="5.81,182,1610438400"; d="scan'208";a="591705386" From: Isaku Yamahata To: qemu-devel@nongnu.org, pbonzini@redhat.com, alistair@alistair23.me, ehabkost@redhat.com, marcel.apfelbaum@gmail.com, mst@redhat.com, cohuck@redhat.com, mtosatti@redhat.com, xiaoyao.li@intel.com, seanjc@google.com Subject: [RFC PATCH 02/23] kvm: Switch KVM_CAP_READONLY_MEM to a per-VM ioctl() Date: Mon, 15 Feb 2021 18:12:58 -0800 Message-Id: <1c93f5dabe2ef573302ff362c0c6c525bbe8af43.1613188118.git.isaku.yamahata@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: References: In-Reply-To: References: Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=192.55.52.151; envelope-from=isaku.yamahata@intel.com; helo=mga17.intel.com X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, 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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: isaku.yamahata@intel.com, isaku.yamahata@gmail.com, kvm@vger.kernel.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Switch to making a VM ioctl() call for KVM_CAP_READONLY_MEM, which may be conditional on VM type in recent versions of KVM, e.g. when TDX is supported. Signed-off-by: Isaku Yamahata --- accel/kvm/kvm-all.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c index 47516913b7..351c25a5cb 100644 --- a/accel/kvm/kvm-all.c +++ b/accel/kvm/kvm-all.c @@ -2164,7 +2164,7 @@ static int kvm_init(MachineState *ms) } =20 kvm_readonly_mem_allowed =3D - (kvm_check_extension(s, KVM_CAP_READONLY_MEM) > 0); + (kvm_vm_check_extension(s, KVM_CAP_READONLY_MEM) > 0); =20 kvm_eventfds_allowed =3D (kvm_check_extension(s, KVM_CAP_IOEVENTFD) > 0); --=20 2.17.1