From nobody Sun May 19 01:15:21 2024 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 Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1580480792901817.7864935324532; Fri, 31 Jan 2020 06:26:32 -0800 (PST) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1ixXFD-000228-NZ; Fri, 31 Jan 2020 14:26:03 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1ixXFB-00021i-Od for xen-devel@lists.xenproject.org; Fri, 31 Jan 2020 14:26:01 +0000 Received: from mx2.suse.de (unknown [195.135.220.15]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id 9a9fa362-4435-11ea-a933-bc764e2007e4; Fri, 31 Jan 2020 14:26:01 +0000 (UTC) Received: from relay2.suse.de (unknown [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 33FFEABB3; Fri, 31 Jan 2020 14:26:00 +0000 (UTC) X-Inumbo-ID: 9a9fa362-4435-11ea-a933-bc764e2007e4 X-Virus-Scanned: by amavisd-new at test-mx.suse.de From: Juergen Gross To: xen-devel@lists.xenproject.org Date: Fri, 31 Jan 2020 15:25:57 +0100 Message-Id: <20200131142557.2896-1-jgross@suse.com> X-Mailer: git-send-email 2.16.4 Subject: [Xen-devel] [PATCH] tools/xenstore: don't apply write limiting for privileged domain X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Juergen Gross , Ian Jackson , Wei Liu MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" Xenstore write limiting should not be applied to dom0. Unfortunately write limiting is disabled only for connections via sockets. When running in a stubdom Xenstore will apply write limiting to dom0, too. Change that by testing for the domain to be privileged as well. Signed-off-by: Juergen Gross Acked-by: Wei Liu --- tools/xenstore/xenstored_domain.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tools/xenstore/xenstored_domain.c b/tools/xenstore/xenstored_d= omain.c index 1a83097952..c7c6c574df 100644 --- a/tools/xenstore/xenstored_domain.c +++ b/tools/xenstore/xenstored_domain.c @@ -918,8 +918,8 @@ void wrl_apply_debit_actual(struct domain *domain) { struct wrl_timestampt now; =20 - if (!domain) - /* sockets escape the write rate limit */ + if (!domain || !domid_is_unprivileged(domain->domid)) + /* sockets and dom0 escape the write rate limit */ return; =20 wrl_gettime_now(&now); --=20 2.16.4 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel