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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id DD99FC433F5 for ; Mon, 10 Jan 2022 15:50:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236634AbiAJPum (ORCPT ); Mon, 10 Jan 2022 10:50:42 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52968 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236615AbiAJPud (ORCPT ); Mon, 10 Jan 2022 10:50:33 -0500 Received: from mail-qt1-x82f.google.com (mail-qt1-x82f.google.com [IPv6:2607:f8b0:4864:20::82f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id ABB9FC06173F for ; Mon, 10 Jan 2022 07:50:33 -0800 (PST) Received: by mail-qt1-x82f.google.com with SMTP id c15so14377472qtc.4 for ; Mon, 10 Jan 2022 07:50:33 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ziepe.ca; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=taJK4990Hf5ggLF7x5d/tJzG7fwO4y08TUkbCKMXkXM=; b=SU3mKDe+NFt3ELa2q1426sexnDWTv18yKIPDP2du70kd2dvXb52pbMprOX3r4vXwnT RbL/u0D3fPqnhE75Zta7ky5PgQl+H7WlhwgI11Y9Dz1SlLlNyp1vZelvZQfiKOIBLikl 9VdKprbwittxaamxOVCN3EL4GuHf/srjHctuYUzkQ2alUkCvKBgXraQVXsc11RTekBnu iacR1txVlA/jNx6GNjsFWSQwvPhSc/uJHfJ/mKUmnB7DVKYliIoB4dEZciKewszMijkI vO1LhdxWqyO0YGpmagOxmsqhoVMgkRSsEN7ww+ni+rjYhOHFPPU2YpgW1eD0xXLut+sY VFOA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=taJK4990Hf5ggLF7x5d/tJzG7fwO4y08TUkbCKMXkXM=; b=x2nyI3G0QTMqSJAF2epWYngWrGKRxIiANeBplk5kokEazzV859X0QDa6PkQwJJ21lW ZKu6FoYwJMCpeVAl0ShEsvR6FGZ6qXYa//qqfO7zJkTR2dvH7jRxzuXI6E5uvvPmuuH6 AMpj/N1kgzMsaRuGlc75MJxUb+HIyQw9N6CyxMNm4VZPEq2tSfaZDjA4Geqjd9uKjuwu A5sQ4qMSOZaK9i65taJ1OenxfUhSGt2CIXUqwUZnYYNoU8ettVcPGKAj89u5WT/L/XOk UB3YiAe2xHp2jFKdjZrC9dCLvlXfruU2C49rd56y3cA9E+dirH4zqYHN6MAwSkvu7A6p VhMQ== X-Gm-Message-State: AOAM532rHt1BN7WP8oxi2fJloX+gvpLhTLzgcpiQcHtfodJkkzBeB9ua HYT111WkoZDfZrLAC7YwZ2k7e9AqiMefew== X-Google-Smtp-Source: ABdhPJxBj0ZyPgNVhc4jPK7tenIAOTO7n8CuI533poIMXs6L4y67rXu3AheljFk+wuxJDExcGtdWCQ== X-Received: by 2002:ac8:74c6:: with SMTP id j6mr229936qtr.557.1641829832895; Mon, 10 Jan 2022 07:50:32 -0800 (PST) Received: from ziepe.ca (hlfxns017vw-142-162-113-129.dhcp-dynamic.fibreop.ns.bellaliant.net. [142.162.113.129]) by smtp.gmail.com with ESMTPSA id r4sm900398qta.51.2022.01.10.07.50.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 10 Jan 2022 07:50:32 -0800 (PST) Received: from jgg by mlx with local (Exim 4.94) (envelope-from ) id 1n6wwJ-00DpQ8-Ir; Mon, 10 Jan 2022 11:50:31 -0400 Date: Mon, 10 Jan 2022 11:50:31 -0400 From: Jason Gunthorpe To: Christophe JAILLET Cc: linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org, linux-rdma@vger.kernel.org Subject: Re: [PATCH] IB/mthca: Remove useless DMA-32 fallback configuration Message-ID: <20220110155031.GI6467@ziepe.ca> References: <4aeb3dcf39490334acf583e723a08ea7262b0912.1641716983.git.christophe.jaillet@wanadoo.fr> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4aeb3dcf39490334acf583e723a08ea7262b0912.1641716983.git.christophe.jaillet@wanadoo.fr> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Jan 09, 2022 at 09:30:09AM +0100, Christophe JAILLET wrote: > As stated in [1], dma_set_mask() with a 64-bit mask never fails if > dev->dma_mask is non-NULL. > So, if it fails, the 32 bits case will also fail for the same reason. > > Simplify code and remove some dead code accordingly. > > [1]: https://lkml.org/lkml/2021/6/7/398 Can you use lore links please? Jason