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=-5.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 4F921CA9EA0 for ; Mon, 28 Oct 2019 09:12:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 17A31214E0 for ; Mon, 28 Oct 2019 09:12:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1572253931; bh=PFvAjNHvWF8pJN19sI/vbfmlvaaIpQsV9Tdjplz1y8E=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=H8LfsdotjAzr/aovD62BChNCVVEEUOQQtR6rQgK2EdYjiJX8MrFaFcvmebMu3Ylvj SPyiNCIaTpK7+1bB3TQU/ClAU2gFHb9sZHb/NrrxxrN09RKS7FW1OPK4LryyQmInG6 t9oPPl3v5sN3FGiCaz+V166sMWbJY9D87wQoKfzo= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387432AbfJ1JMK (ORCPT ); Mon, 28 Oct 2019 05:12:10 -0400 Received: from mail.kernel.org ([198.145.29.99]:35170 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727586AbfJ1JMK (ORCPT ); Mon, 28 Oct 2019 05:12:10 -0400 Received: from localhost (unknown [91.217.168.176]) (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 636F6208C0; Mon, 28 Oct 2019 09:12:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1572253930; bh=PFvAjNHvWF8pJN19sI/vbfmlvaaIpQsV9Tdjplz1y8E=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=ogRO9auIEgcH1+ZTg82lcFiwXAG+G9d8yp5t9mRYnyDHBI6mW4ITuUfnzDuCq9mha 2GDKjgidl7maWgUaSMSGeGZriizQoPjR3nR8BXO4dPvxloxneqkOLBneFthRpZ5iJL 4VlPM71BFJVE6mQ7T+V4kNcKDAnPIusJHX/ecHtQ= Date: Mon, 28 Oct 2019 05:12:07 -0400 From: Sasha Levin To: gregkh@linuxfoundation.org Cc: maz@kernel.org, marc.zyngier@arm.com, stable@vger.kernel.org, will@kernel.org Subject: Re: FAILED: patch "[PATCH] arm64: Avoid Cavium TX2 erratum 219 when switching TTBR" failed to apply to 4.19-stable tree Message-ID: <20191028091207.GL1560@sasha-vm> References: <157218441316235@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: <157218441316235@kroah.com> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On Sun, Oct 27, 2019 at 02:53:33PM +0100, gregkh@linuxfoundation.org wrote: > >The patch below does not apply to the 4.19-stable tree. >If someone wants it applied there, or to any other stable or longterm >tree, then please email the backport, including the original git commit >id to . > >thanks, > >greg k-h > >------------------ original commit in Linus's tree ------------------ > >>From 9405447ef79bc93101373e130f72e9e6cbf17dbb Mon Sep 17 00:00:00 2001 >From: Marc Zyngier >Date: Tue, 9 Apr 2019 16:22:24 +0100 >Subject: [PATCH] arm64: Avoid Cavium TX2 erratum 219 when switching TTBR > >As a PRFM instruction racing against a TTBR update can have undesirable >effects on TX2, NOP-out such PRFM on cores that are affected by >the TX2-219 erratum. > >Cc: >Signed-off-by: Marc Zyngier >Signed-off-by: Will Deacon Rather than backporting this, we need to look into backporting the rest of the errata fixes. I'll look into that... -- Thanks, Sasha