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=-2.5 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no 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 58123C33CB3 for ; Thu, 16 Jan 2020 18:45:03 +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 32251206E6 for ; Thu, 16 Jan 2020 18:45:03 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="VuMtMCRY"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="uSA1/16J" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 32251206E6 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org 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:In-Reply-To:MIME-Version:References: 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=AvC078kWOxxOFtit/HtUvwXTrtJLeT3oOWMiJyiP8oM=; b=VuMtMCRYvGGCPd llX6RzEQW/eOFtDgjOWQjQK7K4DzEuh4zzPUp9okvxHSdcI5Y0++uTDbNODorbCWiw+YTuS4cGGGY iTZjXPHTR9w/JHnAByq3xXfkJ82J2NrklnPTaTMsbaplDh9FWYltcNRrTI5VeDvLFPZPCCcp6ORfZ ufBCDXxA9+W0+XkW/BQ+QayI3dwdQVwCgd9h9k1wkc74vShK9Qg4705jfB3vU68uQNPPXuSeJcRzq LX2+/7UkTRGIfex2/zMritZ1hxbThkqLoR6chMpIQFv4K7+qmNLdzJ9nYNgcOqJUAJImrTVyjQDG7 wzXdbkM5WKfyY3rJpznQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1isA8c-0007sX-Nd; Thu, 16 Jan 2020 18:45:02 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1is9is-00028S-UG for linux-arm-kernel@lists.infradead.org; Thu, 16 Jan 2020 18:18:32 +0000 Received: from willie-the-truck (236.31.169.217.in-addr.arpa [217.169.31.236]) (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 BD97820684; Thu, 16 Jan 2020 18:18:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1579198706; bh=eK+zgsqPWz6GAYkJtti8rLXXAgfol0Ms7k1eGuEjvcg=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=uSA1/16Jv5t+QkTG5DUYDIw5GCOnYY7mMdMEHjQJg4sRtJx0p92p7BGyiz1r3y+zt HIA5X6uhHXR8fQZhMAgOktn72OxXqWdijpihtIWgO3rxYSaNPqu/WwZgGkRoZGgc3f iezAkiFdQPopG1zeb3Cek072wQSLs3i8/5I2lSlQ= Date: Thu, 16 Jan 2020 18:18:20 +0000 From: Will Deacon To: Sami Tolvanen Subject: Re: [PATCH v6 12/15] arm64: vdso: disable Shadow Call Stack Message-ID: <20200116181820.GB22420@willie-the-truck> References: <20191018161033.261971-1-samitolvanen@google.com> <20191206221351.38241-1-samitolvanen@google.com> <20191206221351.38241-13-samitolvanen@google.com> <20200116174648.GE21396@willie-the-truck> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200116_101827_008942_9AD04D89 X-CRM114-Status: UNSURE ( 8.51 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , Kees Cook , Ard Biesheuvel , Masahiro Yamada , Catalin Marinas , Jann Horn , Nick Desaulniers , LKML , Steven Rostedt , Miguel Ojeda , clang-built-linux , Masami Hiramatsu , Marc Zyngier , Kernel Hardening , Laura Abbott , Dave Martin , linux-arm-kernel 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 Thu, Jan 16, 2020 at 10:14:24AM -0800, Sami Tolvanen wrote: > On Thu, Jan 16, 2020 at 9:46 AM Will Deacon wrote: > > Should we be removing -ffixed-x18 too, or does that not propagate here > > anyway? > > No, we shouldn't touch -ffixed-x18 here. The vDSO is always built with > x18 reserved since commit 98cd3c3f83fbb ("arm64: vdso: Build vDSO with > -ffixed-x18"). Thanks, in which case: Acked-by: Will Deacon Will _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel