From patchwork Tue Aug 7 18:14:16 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mian Yousaf Kaukab X-Patchwork-Id: 10559065 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 61EAE14E5 for ; Tue, 7 Aug 2018 18:15:26 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 516B928FDE for ; Tue, 7 Aug 2018 18:15:26 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 410D329016; Tue, 7 Aug 2018 18:15:26 +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=-2.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 83D0428FDE for ; Tue, 7 Aug 2018 18:15:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=FevkHDbcSykut29VvfCQOjXvMBHUm/UUjQuA6o1u+Dg=; b=WMWDgBCARhukogjeRKOFzBZiuY nfj4+2n6PH8vBN+0mXXOpWKiFglkL4Z4rjYad+z+mtIsYjDvc6oiFldiQS6uA6Jn31bP8Ms+igz6N EjnYa6Bfj+71SKy5e1W9xNmO5970FFhZaI6e00B4xFo+Ic1dPwzIHIQ8Yi4wT0ZUa8LqoxsR0gJT+ uiPcFPiY0OaMra2+NwT6iP5Uk8dg9gjeHd6o7SZNSR7ebMH8jqv2YITMj8zlr2KWwjrd8jkRpsz1T o44p12IOeZ2rL2g6Xc9h4XxzCgveFqPAl5DrH0rdI8/G0H4SgUiVYyFgsb+dEHO76qmpd6abb/vo8 OhMpS91w==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1fn6Vp-0006RC-Aw; Tue, 07 Aug 2018 18:15:17 +0000 Received: from mx2.suse.de ([195.135.220.15] helo=mx1.suse.de) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1fn6Vm-00057z-Fw for linux-arm-kernel@lists.infradead.org; Tue, 07 Aug 2018 18:15:15 +0000 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 88BE1ACEA; Tue, 7 Aug 2018 18:15:01 +0000 (UTC) From: Mian Yousaf Kaukab To: will.deacon@arm.com, marc.zyngier@arm.com Subject: [PATCH 3/6] arm64: add sysfs vulnerability show for spectre v1 Date: Tue, 7 Aug 2018 20:14:16 +0200 Message-Id: <20180807181419.15690-4-ykaukab@suse.de> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20180807181419.15690-1-ykaukab@suse.de> References: <20180807181419.15690-1-ykaukab@suse.de> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180807_111514_692934_9CC8023E X-CRM114-Status: UNSURE ( 8.54 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: robert.richter@cavium.com, Mian Yousaf Kaukab , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, cwu@amperecomputing.com MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Hard-coded since patches are merged and there are no configuration options. Signed-off-by: Mian Yousaf Kaukab --- arch/arm64/kernel/cpu_errata.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c index 996edb4e18ad..92616431ae4e 100644 --- a/arch/arm64/kernel/cpu_errata.c +++ b/arch/arm64/kernel/cpu_errata.c @@ -706,4 +706,10 @@ ssize_t cpu_show_meltdown(struct device *dev, struct device_attribute *attr, return sprintf(buf, "Vulnerable\n"); } +ssize_t cpu_show_spectre_v1(struct device *dev, struct device_attribute *attr, + char *buf) +{ + return sprintf(buf, "Mitigation: __user pointer sanitization\n"); +} + #endif