From nobody Tue Feb 10 12:43:13 2026 Delivered-To: importer@patchew.org Received-SPF: none (zohomail.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; spf=none (zohomail.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org ARC-Seal: i=1; a=rsa-sha256; t=1583749493; cv=none; d=zohomail.com; s=zohoarc; b=Mrdp6q+APiDqtu6oLVLjnkU/UqykurlffFJbLhZY1BWroiPfi4UQC7Ffoq0TDAmjOSoHe+U8Y5mXhLQ+7kGNN1r9SU/X3J3hX9qPySMoAs4PejNeZGOmbJ22jzBLZ0RlLHXwpNc1quyyy5dXpqnKlAQa4A+thjW8HdoV6l+Jvqk= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1583749493; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=tFTsm6QjqC0Pb9/SYucrVcTNUpoeYhx8gpHoJL9zeqE=; b=JzvtoL3lxc7HqTjc4pJ2FmI8CxP4/+nLp8zwhd02nqTa/T/3SaTh5UoKiBBkuq6Xzsg/frg2AWvOwtbNPaW8mPbZ0L/udHpsTKiSUQQP8nTc+YhSWN0NyiClWoIvNFg0zjfViicD88uibKBafApX8WKI2SqLN2Pfb+qqZY7b66c= ARC-Authentication-Results: i=1; mx.zohomail.com; spf=none (zohomail.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1583749493434584.8305408040671; Mon, 9 Mar 2020 03:24:53 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1jBFZQ-0000E2-Sv; Mon, 09 Mar 2020 10:23:36 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1jBFZQ-0000Da-4Q for xen-devel@lists.xenproject.org; Mon, 09 Mar 2020 10:23:36 +0000 Received: from smtp-fw-9102.amazon.com (unknown [207.171.184.29]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id 089be786-61f0-11ea-8eb5-bc764e2007e4; Mon, 09 Mar 2020 10:23:35 +0000 (UTC) Received: from sea32-co-svc-lb4-vlan3.sea.corp.amazon.com (HELO email-inbound-relay-1a-821c648d.us-east-1.amazon.com) ([10.47.23.38]) by smtp-border-fw-out-9102.sea19.amazon.com with ESMTP; 09 Mar 2020 10:23:35 +0000 Received: from EX13MTAUEA002.ant.amazon.com (iad55-ws-svc-p15-lb9-vlan3.iad.amazon.com [10.40.159.166]) by email-inbound-relay-1a-821c648d.us-east-1.amazon.com (Postfix) with ESMTPS id 26AACA17AC; Mon, 9 Mar 2020 10:23:32 +0000 (UTC) Received: from EX13D32EUC004.ant.amazon.com (10.43.164.121) by EX13MTAUEA002.ant.amazon.com (10.43.61.77) with Microsoft SMTP Server (TLS) id 15.0.1236.3; Mon, 9 Mar 2020 10:23:16 +0000 Received: from EX13MTAUEA002.ant.amazon.com (10.43.61.77) by EX13D32EUC004.ant.amazon.com (10.43.164.121) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 9 Mar 2020 10:23:15 +0000 Received: from u2f063a87eabd5f.cbg10.amazon.com (10.125.106.135) by mail-relay.amazon.com (10.43.61.169) with Microsoft SMTP Server id 15.0.1236.3 via Frontend Transport; Mon, 9 Mar 2020 10:23:13 +0000 X-Inumbo-ID: 089be786-61f0-11ea-8eb5-bc764e2007e4 IronPort-SDR: SumRii6OTwqt7sHUC26gc9wYPxtWZxS4q9FM9ExrhSlm+ky2vQS8WzeVaRVkNgps8MuJYcLoWc +OTIn9CSA8Zw== X-IronPort-AV: E=Sophos;i="5.70,532,1574121600"; d="scan'208";a="30044058" From: To: Date: Mon, 9 Mar 2020 10:23:02 +0000 Message-ID: <20200309102304.1251-5-paul@xen.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200309102304.1251-1-paul@xen.org> References: <20200309102304.1251-1-paul@xen.org> MIME-Version: 1.0 Precedence: Bulk Subject: [Xen-devel] [PATCH v5 4/6] x86 / ioreq: use a MEMF_no_refcount allocation for server pages... X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Wei Liu , Paul Durrant , Andrew Cooper , Paul Durrant , Jan Beulich , =?UTF-8?q?Roger=20Pau=20Monn=C3=A9?= Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" From: Paul Durrant ... now that it is safe to assign them. This avoids relying on libxl (or whatever toolstack is in use) setting max_pages up with sufficient 'slop' to allow all necessary ioreq server pages to be allocated. Signed-off-by: Paul Durrant Reviewed-by: Jan Beulich --- Cc: Andrew Cooper Cc: Wei Liu Cc: "Roger Pau Monn=C3=A9" v2: - New in v2 --- xen/arch/x86/hvm/ioreq.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/xen/arch/x86/hvm/ioreq.c b/xen/arch/x86/hvm/ioreq.c index f8a5c81546..648ef9137f 100644 --- a/xen/arch/x86/hvm/ioreq.c +++ b/xen/arch/x86/hvm/ioreq.c @@ -375,7 +375,7 @@ static int hvm_alloc_ioreq_mfn(struct hvm_ioreq_server = *s, bool buf) return 0; } =20 - page =3D alloc_domheap_page(s->target, 0); + page =3D alloc_domheap_page(s->target, MEMF_no_refcount); =20 if ( !page ) return -ENOMEM; --=20 2.20.1 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel