From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D46A7C169C4 for ; Thu, 31 Jan 2019 17:52:33 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id AA1E320881 for ; Thu, 31 Jan 2019 17:52:33 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="RWsYn8AP" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org AA1E320881 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Subject:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=ca3KdX3/7ujsbN9jCwRViVPt8FrjZBiDaSyn2W+ADeA=; b=RWsYn8APYmQo4s x70TYwTLd86adeoJVl3/9knfgGZzxjM/fG0Hhpr7g1KbeJ7spychwf4BKSf+6rZXx6lKmQJZbsmZz qgWLhYkZfoYGZE8AoqztvhKQHJ5OMX8AErTIXIT3MYC5SjEXlQjs2dTlBcWg2QbkSTMNoTUY+fXsH AW/0Lkjky4zfZbfk5puk2ipFpT5tKbHjlrQCV91R41yR6M2LpGKjdnsEZzbM7gzYSpQHOXYfONG8D 26wBbB6sS1e3jpEZnRhmZOxlFNdGJTDg3y3B/yTWdOGg0d43xDfGbvFM7YDzykgLSYMFOoxOG5D2q eA0JUcTuJlMj2Gemtvwg==; 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 1gpGVp-0004Zh-G2; Thu, 31 Jan 2019 17:52:29 +0000 Received: from usa-sjc-mx-foss1.foss.arm.com ([217.140.101.70] helo=foss.arm.com) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1gpGVm-0004Z1-4i for linux-arm-kernel@lists.infradead.org; Thu, 31 Jan 2019 17:52:27 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 5A37AA78; Thu, 31 Jan 2019 09:52:23 -0800 (PST) Received: from donnerap.cambridge.arm.com (usa-sjc-imap-foss1.foss.arm.com [10.72.51.249]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id E834E3F59C; Thu, 31 Jan 2019 09:52:20 -0800 (PST) Date: Thu, 31 Jan 2019 17:52:17 +0000 From: Andre Przywara To: Jeremy Linton Subject: Re: [PATCH v4 06/12] arm64: add sysfs vulnerability show for spectre v1 Message-ID: <20190131175217.4ff452d5@donnerap.cambridge.arm.com> In-Reply-To: <20190125180711.1970973-7-jeremy.linton@arm.com> References: <20190125180711.1970973-1-jeremy.linton@arm.com> <20190125180711.1970973-7-jeremy.linton@arm.com> Organization: ARM X-Mailer: Claws Mail 3.17.3 (GTK+ 2.24.32; aarch64-unknown-linux-gnu) MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190131_095226_193848_382A9F96 X-CRM114-Status: GOOD ( 15.23 ) 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: stefan.wahren@i2se.com, mlangsdo@redhat.com, suzuki.poulose@arm.com, marc.zyngier@arm.com, catalin.marinas@arm.com, julien.thierry@arm.com, will.deacon@arm.com, linux-kernel@vger.kernel.org, steven.price@arm.com, shankerd@codeaurora.org, ykaukab@suse.de, dave.martin@arm.com, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Fri, 25 Jan 2019 12:07:05 -0600 Jeremy Linton wrote: Hi, > From: Mian Yousaf Kaukab > > spectre v1, has been mitigated, and the mitigation is > always active. > > Signed-off-by: Mian Yousaf Kaukab > Signed-off-by: Jeremy Linton > --- > arch/arm64/kernel/cpu_errata.c | 10 ++++++++++ > 1 file changed, 10 insertions(+) > > diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c > index de09a3537cd4..ef636acf5604 100644 > --- a/arch/arm64/kernel/cpu_errata.c > +++ b/arch/arm64/kernel/cpu_errata.c > @@ -730,3 +730,13 @@ const struct arm64_cpu_capabilities arm64_errata[] = { > { > } > }; > + > +#ifdef CONFIG_GENERIC_CPU_VULNERABILITIES > + > +ssize_t cpu_show_spectre_v1(struct device *dev, struct device_attribute *attr, > + char *buf) w/s issue. Other than that: Reviewed-by: Andre Przywara Cheers, Andre. > +{ > + return sprintf(buf, "Mitigation: __user pointer sanitization\n"); > +} > + > +#endif _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel