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 7D18DC433E0 for ; Mon, 6 Jul 2020 15:18:20 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (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 47AF620715 for ; Mon, 6 Jul 2020 15:18:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="SbVWxFdt"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="GBqJRKFv" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 47AF620715 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+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=merlin.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=6tjgwnaQ1NX8VDHrRBuD8FQgltBNdhWX4NwK6YZWDZw=; b=SbVWxFdthw1cpFT+rRAzkG7+T oajN07NV7PA6MGYH+Rc146O6cRrCoBLpY06ZPNAUMi7oNjmupSyoYx8ruMy5SM9oEbHaqBIgpZ0rz ICm7mVfO/DulwO0q77emTR9GSefZxVFDh9ox4SAn35GvdPMnBscenWSPuVTVDclCp0lAHvhWkVros 5MDOPQL8z1nD9OytXIFSaIcG/4CVFZCLmsDAKWzEcijrNDnwuh5caL4W62X7mU18ezaTn+wzHp7yk 0oyNgd/2VgGozLXHXcAmzBs1t6nzMoWQRJB03JTMuoyRJEMgpMNyukJQaWFoRMVdwc6G2zCLbDgfk 9ujKol0fw==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jsSrc-0004ZO-3T; Mon, 06 Jul 2020 15:17:00 +0000 Received: from mail.kernel.org ([198.145.29.99]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jsSra-0004Ys-KN for linux-arm-kernel@lists.infradead.org; Mon, 06 Jul 2020 15:16:59 +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 DA09B20715; Mon, 6 Jul 2020 15:16:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1594048616; bh=sb+DkcF5nWT/r+CGDQj4uxOKHPyRqU2Urnd4j7mwP5w=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=GBqJRKFvtdmsTDxI2LxNTmf0lhPLQjUNFS2ykoPgVOsiYcw6NMjOUDQbKnAqbW7My SIgbFZpa9Kfqo3whGVVvieZwKKeHNzXs7o+O1p9giUZP+TjB7GTsIQLtNMns6/2CcQ 6iINd7DTjhmd1NpL8v5zMs/jrG1vp5/sU+zPcmPQ= Date: Mon, 6 Jul 2020 16:16:52 +0100 From: Will Deacon To: Marc Zyngier Subject: Re: Query regarding ERRATUM_1418040 Message-ID: <20200706151651.GA23622@willie-the-truck> References: <1ce7dad5-a981-5968-cc34-7648faea8636@codeaurora.org> <062be27686369d28bd2054a54c307400@misterjones.org> <20200617112542.GB3503@willie-the-truck> <20200701162731.GA15317@willie-the-truck> <4196efaea5fbdf11dd6fa3ba460967d3@kernel.org> <20200706120946.GA23341@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-20200706_111658_821316_1889E6E2 X-CRM114-Status: GOOD ( 11.27 ) 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: Neeraj Upadhyay , 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+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, Jul 06, 2020 at 01:27:16PM +0100, Marc Zyngier wrote: > On 2020-07-06 13:09, Will Deacon wrote: > > On Thu, Jul 02, 2020 at 09:19:04AM +0100, Marc Zyngier wrote: > > > + mrs x1, cntkctl_el1 > > > + bfi x1, xzr, #1, #1 // ARCH_TIMER_USR_VCT_ACCESS_EN > > > > Can you use BIC here? > > You wish. Turns out that BIC is labelled as a v8.2 instruction, even > if is just yet another alias for BFM, and gas sends me packing > if I dare using it. > > So the above BFI is a poor man's version of BIC. Which objdump happily > disassembles as... BIC! Yes, this is all braindead. Wha.. really? What about all our other uses of the BIC alias? Are you sure you're not mixing it up with BFC? Will _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel