From patchwork Mon Aug 14 07:08:07 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?SsO8cmdlbiBHcm/Dnw==?= X-Patchwork-Id: 9898241 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 0CEC360230 for ; Mon, 14 Aug 2017 07:12:19 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id F382826E1A for ; Mon, 14 Aug 2017 07:12:18 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id E87FA285C8; Mon, 14 Aug 2017 07:12:18 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 7D3AE285AE for ; Mon, 14 Aug 2017 07:12:15 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dh9Ul-0003e3-8s; Mon, 14 Aug 2017 07:09:03 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dh9Uj-0003bT-CZ for xen-devel@lists.xenproject.org; Mon, 14 Aug 2017 07:09:01 +0000 Received: from [85.158.139.211] by server-7.bemta-5.messagelabs.com id F0/82-02176-C8C41995; Mon, 14 Aug 2017 07:09:00 +0000 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrELMWRWlGSWpSXmKPExsVyuP0Ov26Pz8R IgwNLeCy+b5nM5MDocfjDFZYAxijWzLyk/IoE1ozL/xvZCuZzVXz/OZulgfEtexcjJ4eEgJHE 24n/mLoYuTiEBBYySry/eokZJMEmoCqx4fopVhBbREBJ4t6qyWBFzAJ7GSUOXfvNApIQFsiU2 PlkLVgRC1DD+V8QzbwCphILN1xlgtggL9FxYDJYPSdQ/NK+pWC2kICJRN/WLpYJjNwLGBlWMa oXpxaVpRbpGuolFWWmZ5TkJmbm6BoamOrlphYXJ6an5iQmFesl5+duYgT6t56BgXEHY1Ov8yF GSQ4mJVHeBJ/eSCG+pPyUyozE4oz4otKc1OJDjDIcHEoSvFLeEyOFBItS01Mr0jJzgIEGk5bg 4FES4S33AkrzFhck5hZnpkOkTjHqcrya8P8bkxBLXn5eqpQ4bwzIDAGQoozSPLgRsKC/xCgrJ czLyMDAIMRTkFqUm1mCKv+KUZyDUUmYtwZkCk9mXgncpldARzABHdEHcj9vcUkiQkqqgbFo5b vDkfrC91/FyBjm7mWLvPPTa0a7W9n/C5xF10ouBswOWt/jKvuua11IwpKyWYEHrrlvY+9bN8V VjrGncH6iBcfORcfv3nLf/GRV/qdZjC7d55Vbet1LjKN/mjN/vcC6dE7osQsL2JLWx+xcGvdd sZp96V4LzbmFyRO0pDS/XhM+42WVGKbEUpyRaKjFXFScCAAmoxSBdQIAAA== X-Env-Sender: jgross@suse.com X-Msg-Ref: server-5.tower-206.messagelabs.com!1502694540!105493448!1 X-Originating-IP: [195.135.220.15] X-SpamReason: No, hits=0.5 required=7.0 tests=BODY_RANDOM_LONG X-StarScan-Received: X-StarScan-Version: 9.4.45; banners=-,-,- X-VirusChecked: Checked Received: (qmail 52595 invoked from network); 14 Aug 2017 07:09:00 -0000 Received: from mx2.suse.de (HELO mx1.suse.de) (195.135.220.15) by server-5.tower-206.messagelabs.com with DHE-RSA-CAMELLIA256-SHA encrypted SMTP; 14 Aug 2017 07:09:00 -0000 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id DB94BAD16; Mon, 14 Aug 2017 07:08:59 +0000 (UTC) From: Juergen Gross To: xen-devel@lists.xenproject.org Date: Mon, 14 Aug 2017 09:08:07 +0200 Message-Id: <20170814070849.20986-11-jgross@suse.com> X-Mailer: git-send-email 2.12.3 In-Reply-To: <20170814070849.20986-1-jgross@suse.com> References: <20170814070849.20986-1-jgross@suse.com> Cc: Juergen Gross , Andrew Cooper , Kevin Tian , Jan Beulich , Jun Nakajima Subject: [Xen-devel] [PATCH v2 10/52] xen/arch/x86/hvm/vmx/vmcs.c: let custom parameter parsing routines return errno X-BeenThere: xen-devel@lists.xen.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" X-Virus-Scanned: ClamAV using ClamSMTP Modify the custom parameter parsing routines in: xen/arch/x86/hvm/vmx/vmcs.c to indicate whether the parameter value was parsed successfully. Cc: Jun Nakajima Cc: Kevin Tian Cc: Jan Beulich Cc: Andrew Cooper Signed-off-by: Juergen Gross Acked-by: Wei Liu --- xen/arch/x86/hvm/vmx/vmcs.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/xen/arch/x86/hvm/vmx/vmcs.c b/xen/arch/x86/hvm/vmx/vmcs.c index 2008fee280..4ddcbd7e5e 100644 --- a/xen/arch/x86/hvm/vmx/vmcs.c +++ b/xen/arch/x86/hvm/vmx/vmcs.c @@ -74,9 +74,10 @@ static s8 __read_mostly opt_ept_ad = -1; * pml Enable PML * ad Use A/D bits */ -static void __init parse_ept_param(char *s) +static int __init parse_ept_param(char *s) { char *ss; + int rc = 0; do { bool_t val = !!strncmp(s, "no-", 3); @@ -92,9 +93,13 @@ static void __init parse_ept_param(char *s) opt_pml_enabled = val; else if ( !strcmp(s, "ad") ) opt_ept_ad = val; + else + rc = -EINVAL; s = ss + 1; } while ( ss ); + + return rc; } custom_param("ept", parse_ept_param);