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=-1.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 819A9C3A59E for ; Mon, 26 Aug 2019 06:54:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 58CCE217F4 for ; Mon, 26 Aug 2019 06:54:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1566802485; bh=3PjlUTBUR/XzFsMz/GXZD8iuSFefN6Th+8lZSsWt360=; h=References:In-Reply-To:From:Date:Subject:To:Cc:List-ID:From; b=CD0mxJZNLq0FxQQDX2ZhcJ+v30rO7XBfh/VZwWG7lQwWkTmNaXO5fSRY7jALpxg7M YrIEzEeIoX0n25X8bw2RTEeTfUqcyVX+V9ZqJV5uzgCOEbxmIpShrtsq55WZRPMc/P QVK/f0XWcXzVFfyriDHyoyzO2xs7EDL7E4UIzj0U= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729625AbfHZGyl (ORCPT ); Mon, 26 Aug 2019 02:54:41 -0400 Received: from mail.kernel.org ([198.145.29.99]:34044 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727097AbfHZGyk (ORCPT ); Mon, 26 Aug 2019 02:54:40 -0400 Received: from mail-wm1-f44.google.com (mail-wm1-f44.google.com [209.85.128.44]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id B8B0B2190F; Mon, 26 Aug 2019 06:54:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1566802480; bh=3PjlUTBUR/XzFsMz/GXZD8iuSFefN6Th+8lZSsWt360=; h=References:In-Reply-To:From:Date:Subject:To:Cc:From; b=AzCabFC0rp/scNtav1blpO98d8C32C+cd7uVoKTGw7Aoo+LXyg/cM9gZxewmOH3MP S8ZY49+3Uc9J9S1ZdvwURzlPnjqzzrXz2WyGqh4p0euGWWlDRY+XMp9MKEqpdqjQct JZgeRMA6gixPGForz37C56o2Xf0SYV4BPlCoM49g= Received: by mail-wm1-f44.google.com with SMTP id l2so14697895wmg.0; Sun, 25 Aug 2019 23:54:39 -0700 (PDT) X-Gm-Message-State: APjAAAUfL3U8mSKvS6LXFdRer14ap5TwD/6iFGhawC6mQbnZ2LDk9h4H 5Oyl+d92ZKtOcQDYyX4hLcXz9w2wpIfKmZus33w= X-Google-Smtp-Source: APXvYqze+5N431NKumJz/IGZ4nQDxsfQfeu2kHe+0HCxIp34UIlce18pt7ezfYCMT6xzAK9hM4kCj2tPkQ3AOfbaGnw= X-Received: by 2002:a1c:a5c2:: with SMTP id o185mr19302796wme.172.1566802478272; Sun, 25 Aug 2019 23:54:38 -0700 (PDT) MIME-Version: 1.0 References: <1566443122-17540-1-git-send-email-guoren@kernel.org> <20190826063818.GA29871@infradead.org> In-Reply-To: <20190826063818.GA29871@infradead.org> From: Guo Ren Date: Mon, 26 Aug 2019 14:54:26 +0800 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH V2] csky: Fixup 610 vipt cache flush mechanism To: Christoph Hellwig Cc: Arnd Bergmann , Linux Kernel Mailing List , linux-arch , linux-csky@vger.kernel.org, douzhk@nationalchip.com, Guo Ren Content-Type: text/plain; charset="UTF-8" Sender: linux-csky-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-csky@vger.kernel.org Thx Christoph, On Mon, Aug 26, 2019 at 2:38 PM Christoph Hellwig wrote: > > On Thu, Aug 22, 2019 at 11:05:22AM +0800, guoren@kernel.org wrote: > > From: Guo Ren > > > > 610 has vipt aliasing issue, so we need to finish the cache flush > > apis mentioned in cachetlb.rst to avoid data corruption. > > > > Here is the list of modified apis in the patch: > > Looks sensible to me, although I can't really verify the details. > You might also want to Cc linux-mm. I'll re-send it to linux-mm. -- Best Regards Guo Ren ML: https://lore.kernel.org/linux-csky/