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=-2.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED,USER_AGENT_MUTT 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 EFB27C433F5 for ; Tue, 28 Aug 2018 16:02:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B2C8920894 for ; Tue, 28 Aug 2018 16:02:58 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B2C8920894 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=bootlin.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727423AbeH1TzQ (ORCPT ); Tue, 28 Aug 2018 15:55:16 -0400 Received: from mail.bootlin.com ([62.4.15.54]:53736 "EHLO mail.bootlin.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727039AbeH1TzQ (ORCPT ); Tue, 28 Aug 2018 15:55:16 -0400 Received: by mail.bootlin.com (Postfix, from userid 110) id DD71320797; Tue, 28 Aug 2018 18:02:55 +0200 (CEST) Received: from localhost (242.171.71.37.rev.sfr.net [37.71.171.242]) by mail.bootlin.com (Postfix) with ESMTPSA id B25D320618; Tue, 28 Aug 2018 18:02:55 +0200 (CEST) Date: Tue, 28 Aug 2018 18:02:54 +0200 From: Alexandre Belloni To: James Hogan Cc: Paul Burton , linux-mips@linux-mips.org, linux-kernel@vger.kernel.org Subject: VDSO and dcache aliasing Message-ID: <20180828160254.GC16561@piout.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello James, A year ago, you wrote that patch: https://www.linux-mips.org/archives/linux-mips/2017-06/msg00658.html You called it a hack but it has been used since then. As you will certainly realize by now, Ocelot is one of the affected SoC so we would pretty much like to see this going upstream. What would be the way forward? Regards, -- Alexandre Belloni, Bootlin Embedded Linux and Kernel engineering https://bootlin.com