From patchwork Wed Aug 9 07:06:26 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: 9889687 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 BA923602D7 for ; Wed, 9 Aug 2017 07:10:05 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id AE7AB26BE9 for ; Wed, 9 Aug 2017 07:10:05 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id A353A274D1; Wed, 9 Aug 2017 07:10:05 +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 397EF26BE9 for ; Wed, 9 Aug 2017 07:10:05 +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 1dfL5R-0007z1-Hw; Wed, 09 Aug 2017 07:07:25 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dfL5P-0007uG-Lu for xen-devel@lists.xen.org; Wed, 09 Aug 2017 07:07:23 +0000 Received: from [85.158.137.68] by server-16.bemta-3.messagelabs.com id AD/19-01732-BA4BA895; Wed, 09 Aug 2017 07:07:23 +0000 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrILMWRWlGSWpSXmKPExsVyuP0Ov+6qLV2 RBsev21gs+biYxYHR4+ju30wBjFGsmXlJ+RUJrBkdk3kKlvJULJz0mK2BsZmri5GTQ0LASOLt xH9MXYxcHEICCxkl9k+8ywySYBNQldhw/RQriC0iIC1x7fNlRhCbWaBQ4mR3H1hcWCBW4tjHu 0wgNgtQ/ZoXh8B6eQVMJfbc2s4GsUBeouPAZBYQmxMoPuXldrB6IQETiVtnp7FNYORewMiwil GjOLWoLLVI18hEL6koMz2jJDcxM0fX0MBYLze1uDgxPTUnMalYLzk/dxMj0Lv1DAyMOxhfHfc 7xCjJwaQkyrtJuzNSiC8pP6UyI7E4I76oNCe1+BCjDAeHkgSv5+auSCHBotT01Iq0zBxgmMGk JTh4lER4OzYBpXmLCxJzizPTIVKnGHU5Xk34/41JiCUvPy9VSpy3GWSGAEhRRmke3AhYyF9il JUS5mVkYGAQ4ilILcrNLEGVf8UozsGoJMwrCTKFJzOvBG7TK6AjmICOiPDtBDmiJBEhJdXA6L ew9hlb/q9PjX9nHvjyPnzPbzbBGXUaByVUnRcePKblLpQjmXv/99EYu/95mpYNv9YZ924Sfn8 l43TBeuGEOccXpLn03L0m4jtBNk5vdXneIskWw5n50XPu66tb3L+SdGvy5oqUhGgFlUWL991W NFXX/XHZ/3H7dOdcrlvlqatXXZgn+etDoxJLcUaioRZzUXEiALhKWpN0AgAA X-Env-Sender: jgross@suse.com X-Msg-Ref: server-7.tower-31.messagelabs.com!1502262442!101645021!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 61163 invoked from network); 9 Aug 2017 07:07:22 -0000 Received: from mx2.suse.de (HELO mx1.suse.de) (195.135.220.15) by server-7.tower-31.messagelabs.com with DHE-RSA-CAMELLIA256-SHA encrypted SMTP; 9 Aug 2017 07:07:22 -0000 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay1.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id BA12DAF0E; Wed, 9 Aug 2017 07:07:22 +0000 (UTC) From: Juergen Gross To: xen-devel@lists.xen.org Date: Wed, 9 Aug 2017 09:06:26 +0200 Message-Id: <20170809070706.13481-13-jgross@suse.com> X-Mailer: git-send-email 2.12.3 In-Reply-To: <20170809070706.13481-1-jgross@suse.com> References: <20170809070706.13481-1-jgross@suse.com> Cc: Juergen Gross , Andrew Cooper , Jan Beulich Subject: [Xen-devel] [PATCH 12/52] xen/arch/x86/irq.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/irq.c to indicate whether the parameter value was parsed successfully. Cc: Jan Beulich Cc: Andrew Cooper Signed-off-by: Juergen Gross --- xen/arch/x86/irq.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/xen/arch/x86/irq.c b/xen/arch/x86/irq.c index 57e6c18970..5d68e4252a 100644 --- a/xen/arch/x86/irq.c +++ b/xen/arch/x86/irq.c @@ -26,7 +26,7 @@ #include #include -static void parse_irq_vector_map_param(char *s); +static int parse_irq_vector_map_param(char *s); /* opt_noirqbalance: If true, software IRQ balancing/affinity is disabled. */ bool __read_mostly opt_noirqbalance; @@ -60,9 +60,10 @@ static struct timer irq_ratelimit_timer; static unsigned int __read_mostly irq_ratelimit_threshold = 10000; integer_param("irq_ratelimit", irq_ratelimit_threshold); -static void __init parse_irq_vector_map_param(char *s) +static int __init parse_irq_vector_map_param(char *s) { char *ss; + int rc = 0; do { ss = strchr(s, ','); @@ -75,9 +76,13 @@ static void __init parse_irq_vector_map_param(char *s) opt_irq_vector_map=OPT_IRQ_VECTOR_MAP_GLOBAL; else if ( !strcmp(s, "per-device")) opt_irq_vector_map=OPT_IRQ_VECTOR_MAP_PERDEV; + else + rc = -EINVAL; s = ss + 1; } while ( ss ); + + return rc; } /* Must be called when irq disabled */