Received: by 2002:ad5:474a:0:0:0:0:0 with SMTP id i10csp8105283imu; Tue, 4 Dec 2018 03:05:45 -0800 (PST) X-Google-Smtp-Source: AFSGD/XQqQM6ySEtc9RA7QMrLWpAKW/TDIcUIlaQ19MP2VDsEG5+FBK9auIWiEns6+WCBuHboJec X-Received: by 2002:a62:670f:: with SMTP id b15mr19542773pfc.212.1543921545182; Tue, 04 Dec 2018 03:05:45 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1543921545; cv=none; d=google.com; s=arc-20160816; b=H2CEO4uaaqCuLadX7SXkzbJP1uenjUsrxgLJZsZ5CmN/3QbuuS39pRSKe3QULCyF3e JSCRBsqZLcBqqIiNFCOglJ0vDEfA/z5/1xIvtRmXjkVn+llLBKr9raVxZwODSnQWjSGY m51Pxs/9o1fUnNzushzqIVoUJEKyU26RdzDblKw8n62K4zpdUKU4Wf08ZawMUxUmAzTC 75GykrRZV7KvWr3QHA5QXmQNbKCLUKsqccuYAofbzn3VJGtbZUX/ThBKC2ZWWcRjxIS8 GYLjh2mXW5G6c+Nxo3K7sHi7m0n3g6EQiHT/W9aQxNRXKgkRGNnKKr/0lsIo8b9GBU9a DTzQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :user-agent:references:in-reply-to:message-id:date:subject:cc:to :from:dkim-signature; bh=4TYSoMRIITu8rc3zRoqUhvvDE7xQ1GCC1SDjUrX1RKo=; b=A6H2Rr3fOuU1guFkSOloCMU16wWhvgxRS58OznjBkrczMti4kCu3Zr+VtyaUbAXHDm UIjV2BHZBFH+u9T7WqaDnUoVJyaZ7tpWKCXXwWnPg6hYEg30bNiSG3r0DFjhLyRtAoLb pavEs3pDjIr2n8I5m72rjjKpC6udPZg6xk2My7CmfeoshZsLeOpRGkhTIC4FPAFon7tj 6oXEuaCqeJR9PZ0tKQzXlt6NcfneNnZVQLGgLO6bwgahFxTO8Sq30oTDU5jeAMDbQM1Y NCt02Lfnjd4W8QmlmnUcBXxg0OuoLoSZJsYXe/nmfFIfXslxlHUfbxK73BimShdLGDil IDNw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=joGMLprZ; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id 1si18550190plb.103.2018.12.04.03.05.28; Tue, 04 Dec 2018 03:05:45 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=joGMLprZ; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727073AbeLDLE0 (ORCPT + 99 others); Tue, 4 Dec 2018 06:04:26 -0500 Received: from mail.kernel.org ([198.145.29.99]:51342 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727347AbeLDLEX (ORCPT ); Tue, 4 Dec 2018 06:04:23 -0500 Received: from localhost (5356596B.cm-6-7b.dynamic.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 7B0272087F; Tue, 4 Dec 2018 11:04:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1543921462; bh=9zUM71mQ66ZlOfk+6nWDWodYzwi14PgzOrkk4JSEUXI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=joGMLprZ7JfusqchcywsW0aBtrVyD3TpQ4Kp21vnwvO0+MxHa8Hqnq44DsRboytcC P7oQ/W8Q695/CA+CjCTlVWH3sEdVKHNARQNrRhJDYE3Pz9JqEgdSNAJm6shwyKZo4t fhrr/FgE2WFfNre68/gkZbOa5kv0vkntokbYAoNM= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Tim Chen , Thomas Gleixner , Ingo Molnar , Peter Zijlstra , Andy Lutomirski , Linus Torvalds , Jiri Kosina , Tom Lendacky , Josh Poimboeuf , Andrea Arcangeli , David Woodhouse , Andi Kleen , Dave Hansen , Casey Schaufler , Asit Mallick , Arjan van de Ven , Jon Masters , Waiman Long , Dave Stewart , Kees Cook Subject: [PATCH 4.14 081/146] x86/speculation: Clean up spectre_v2_parse_cmdline() Date: Tue, 4 Dec 2018 11:49:27 +0100 Message-Id: <20181204103730.088883500@linuxfoundation.org> X-Mailer: git-send-email 2.19.2 In-Reply-To: <20181204103726.750894136@linuxfoundation.org> References: <20181204103726.750894136@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review X-Patchwork-Hint: ignore MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 4.14-stable review patch. If anyone has any objections, please let me know. ------------------ From: Tim Chen tim.c.chen@linux.intel.com commit 24848509aa55eac39d524b587b051f4e86df3c12 upstream Remove the unnecessary 'else' statement in spectre_v2_parse_cmdline() to save an indentation level. Signed-off-by: Tim Chen Signed-off-by: Thomas Gleixner Reviewed-by: Ingo Molnar Cc: Peter Zijlstra Cc: Andy Lutomirski Cc: Linus Torvalds Cc: Jiri Kosina Cc: Tom Lendacky Cc: Josh Poimboeuf Cc: Andrea Arcangeli Cc: David Woodhouse Cc: Andi Kleen Cc: Dave Hansen Cc: Casey Schaufler Cc: Asit Mallick Cc: Arjan van de Ven Cc: Jon Masters Cc: Waiman Long Cc: Greg KH Cc: Dave Stewart Cc: Kees Cook Cc: stable@vger.kernel.org Link: https://lkml.kernel.org/r/20181125185003.688010903@linutronix.de Signed-off-by: Greg Kroah-Hartman --- arch/x86/kernel/cpu/bugs.c | 27 +++++++++++++-------------- 1 file changed, 13 insertions(+), 14 deletions(-) --- a/arch/x86/kernel/cpu/bugs.c +++ b/arch/x86/kernel/cpu/bugs.c @@ -275,22 +275,21 @@ static enum spectre_v2_mitigation_cmd __ if (cmdline_find_option_bool(boot_command_line, "nospectre_v2")) return SPECTRE_V2_CMD_NONE; - else { - ret = cmdline_find_option(boot_command_line, "spectre_v2", arg, sizeof(arg)); - if (ret < 0) - return SPECTRE_V2_CMD_AUTO; - for (i = 0; i < ARRAY_SIZE(mitigation_options); i++) { - if (!match_option(arg, ret, mitigation_options[i].option)) - continue; - cmd = mitigation_options[i].cmd; - break; - } + ret = cmdline_find_option(boot_command_line, "spectre_v2", arg, sizeof(arg)); + if (ret < 0) + return SPECTRE_V2_CMD_AUTO; - if (i >= ARRAY_SIZE(mitigation_options)) { - pr_err("unknown option (%s). Switching to AUTO select\n", arg); - return SPECTRE_V2_CMD_AUTO; - } + for (i = 0; i < ARRAY_SIZE(mitigation_options); i++) { + if (!match_option(arg, ret, mitigation_options[i].option)) + continue; + cmd = mitigation_options[i].cmd; + break; + } + + if (i >= ARRAY_SIZE(mitigation_options)) { + pr_err("unknown option (%s). Switching to AUTO select\n", arg); + return SPECTRE_V2_CMD_AUTO; } if ((cmd == SPECTRE_V2_CMD_RETPOLINE ||