From patchwork Mon Aug 27 14:33:07 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: 10577165 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 D875D1390 for ; Mon, 27 Aug 2018 14:35:39 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C5464297D7 for ; Mon, 27 Aug 2018 14:35:39 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id B925A29958; Mon, 27 Aug 2018 14:35:39 +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,RCVD_IN_DNSWL_NONE 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 68B44297D7 for ; Mon, 27 Aug 2018 14:35:39 +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=FmFFEPZwPSjSuL1Un0BupXJiJf 0dvkcy3AKNTMWY6QOJ7EmSNrM2ums1lKMEDxBAGJ6O8EnGGpuA1V/nV81LkEpJfD7ubrtnu1MEHZW XT474hFnQyJdlMAaQmtCW21MulBq+4kcqyQMoihUPSvk5w5eJ5Bcg8FW4xpyubUG/rnjN/Th5wNTY OqGi3/WLcX4CXM+IvkfJ0xWy66VHVyJJki67Nz/IAoGY7p1MM+QG5wFNYLcncwe4GaDMiVzVSW2UJ otzh+uYs+Qph4J/0BQHvXy9H9kzELxyjM4Szl/JU0e9frQMU4k5gQQOP4TmnfOYhDe+A8lajSX4eM qjPQqMEw==; 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 1fuIbz-0005pC-1B; Mon, 27 Aug 2018 14:35:23 +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 1fuIaY-0003zH-B0 for linux-arm-kernel@lists.infradead.org; Mon, 27 Aug 2018 14:33:57 +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 87A30AFE8; Mon, 27 Aug 2018 14:33:41 +0000 (UTC) From: Mian Yousaf Kaukab To: will.deacon@arm.com, marc.zyngier@arm.com Subject: [PATCH RESEND 3/6] arm64: add sysfs vulnerability show for spectre v1 Date: Mon, 27 Aug 2018 16:33:07 +0200 Message-Id: <20180827143310.641-4-ykaukab@suse.de> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20180827143310.641-1-ykaukab@suse.de> References: <20180827143310.641-1-ykaukab@suse.de> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180827_073354_580633_C01EF14F X-CRM114-Status: UNSURE ( 8.03 ) 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