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=-5.5 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,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 8A78CC433E2 for ; Wed, 22 Jul 2020 13:10:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6C15F20717 for ; Wed, 22 Jul 2020 13:10:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732147AbgGVNKN (ORCPT ); Wed, 22 Jul 2020 09:10:13 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39296 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726146AbgGVNKM (ORCPT ); Wed, 22 Jul 2020 09:10:12 -0400 Received: from theia.8bytes.org (8bytes.org [IPv6:2a01:238:4383:600:38bc:a715:4b6d:a889]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 98589C0619DC; Wed, 22 Jul 2020 06:10:12 -0700 (PDT) Received: by theia.8bytes.org (Postfix, from userid 1000) id 44C622C8; Wed, 22 Jul 2020 15:10:11 +0200 (CEST) Date: Wed, 22 Jul 2020 15:10:10 +0200 From: Joerg Roedel To: Naresh Kamboju Cc: Rob Clark , iommu@lists.linux-foundation.org, linux-arm-msm , Robin Murphy , Rob Clark , Andy Gross , Bjorn Andersson , open list , Arnd Bergmann , lkft-triage@lists.linaro.org Subject: Re: [PATCH] iommu/qcom: Use domain rather than dev as tlb cookie Message-ID: <20200722131009.GD27672@8bytes.org> References: <20200720155217.274994-1-robdclark@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: 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 On Tue, Jul 21, 2020 at 12:45:17AM +0530, Naresh Kamboju wrote: > On Mon, 20 Jul 2020 at 21:21, Rob Clark wrote: > > > > From: Rob Clark > > > > The device may be torn down, but the domain should still be valid. Lets > > use that as the tlb flush ops cookie. > > > > Fixes a problem reported in [1] > > This proposed fix patch applied on top of linux mainline master > and boot test PASS on db410c. > > The reported problem got fixed. Is this needed for v5.8/stable? A fixes tag would be great too. Regards, Joerg