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=-13.3 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_IN_DEF_DKIM_WL 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 86AD2C49361 for ; Fri, 18 Jun 2021 18:02:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6AB65610CD for ; Fri, 18 Jun 2021 18:02:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234380AbhFRSEY (ORCPT ); Fri, 18 Jun 2021 14:04:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37078 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233789AbhFRSEX (ORCPT ); Fri, 18 Jun 2021 14:04:23 -0400 Received: from mail-ot1-x331.google.com (mail-ot1-x331.google.com [IPv6:2607:f8b0:4864:20::331]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7B0ACC06175F for ; Fri, 18 Jun 2021 11:02:13 -0700 (PDT) Received: by mail-ot1-x331.google.com with SMTP id 102-20020a9d0eef0000b02903fccc5b733fso10507506otj.4 for ; Fri, 18 Jun 2021 11:02:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=gm6MYYB9NnNxdkRuQyLBTfy2a1l9+kymVbo6dLCaxp8=; b=IX/TeFICHe0M9eY2FgHiWrn+tdb/q5XFgD8uXsgjTWA8ccYLhwkhmj5LVksZqDuyP/ WO98d4+EqUEGVeNVRkwGXvDR2KFUUsjHgWYsSZNspeMbY0pyo5tCDjX5g3a0S5zJVn5J VVQVThsNKNWwgywn+UIOieUM+TDA8ZHnfFAZ0UJx9g4jXc4QSs4THTGKFETKMbtCQOhC oohAmV/ouLnwljoWkk30lA1Ew7AeSHyL7YWAUXHRppPW6exwVxxl6v4oWTx8GoKtepVU 0FuNut9qWjAnX/+VsjdAfRTl/lf12Qwyt/IudALVfQNQswOIeBJ2fnVR25hgKkqCacht +gLQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=gm6MYYB9NnNxdkRuQyLBTfy2a1l9+kymVbo6dLCaxp8=; b=Zk8jzMepR7NH6uSY6y+qZqdwEd398z47Ii/lRNRm8hjPyhaMmXaJR2CrgiIzIsYq/4 h6+wct+ktmDQFawhC8bM8bsPPjMSFGjma+YSdbr+Ryv8VL+2Vi10BGhjVgjYNiWIqhF7 hHe1/xx8hCIUx6IiB5P9zGDKzMkqtYb6enCS4roJB6tysZYRC9mmjYr92eF2T+njx+HZ 1G8snjpNLr6QCbApowiFqEfehubDp28QcbGl7mRvXToxT6RWXsO72GzUL0+2KMWkoRdd f4Ao6CbtwnhY8yTZH3/mEZbycanFcxxHeZAKMgB76YGZFc+qQm9LkIc+0dclKClKnG64 GR8w== X-Gm-Message-State: AOAM5306BZYEas6BHnTeKr51itY1E5LRgpaZyqNITNOUOuBouft/OXMv Uh5OPpA9ccy97yrtF1OWDx1FsO1jaA+HObX2skGFIQ== X-Google-Smtp-Source: ABdhPJzDjg2IGcepCwb5aVYpL0iyoVlRw7VwKmnVSWke5phSkT/PVMVrc8WMy+XMkfj6Q5UajD7a40VUOZZuPPBY+Tc= X-Received: by 2002:a9d:1b41:: with SMTP id l59mr10406630otl.8.1624039332635; Fri, 18 Jun 2021 11:02:12 -0700 (PDT) MIME-Version: 1.0 References: <2e899de2-4b69-c4b6-33a6-09fb8949d2fd@nxp.com> <20210611062153.GA30906@lst.de> <20210617051232.GB27192@lst.de> In-Reply-To: From: Jianxiong Gao Date: Fri, 18 Jun 2021 11:01:59 -0700 Message-ID: Subject: Re: swiotlb/caamjr regression (Was: [GIT PULL] (swiotlb) stable/for-linus-5.12) To: Dominique MARTINET Cc: Christoph Hellwig , Konrad Rzeszutek Wilk , Konrad Rzeszutek Wilk , Linus Torvalds , =?UTF-8?Q?Horia_Geant=C4=83?= , "linux-kernel@vger.kernel.org" , Lukas Hartmann , Aymen Sghaier , Herbert Xu , "David S. Miller" , "linux-crypto@vger.kernel.org" , "iommu@lists.linux-foundation.org" , Marc Orr , Erdem Aktas , Peter Gonda Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > Jianxiong Gao, before spending more time on this, could you also try > Chanho Park's patch? > https://lore.kernel.org/linux-iommu/20210510091816.GA2084@lst.de/T/#m0d0df6490350a08dcc24c9086c8edc165b402d6f > I have tested Chanho Parks's patch and it works for us. The NVMe driver performs correctly with the patch. I have teste the patch on 06af8679449d -- Jianxiong Gao