Received: by 2002:a05:6a10:a841:0:0:0:0 with SMTP id d1csp4631342pxy; Tue, 27 Apr 2021 09:10:53 -0700 (PDT) X-Google-Smtp-Source: ABdhPJzjvVk4lOgwLHYryg+NEzGL76aSKr0EesttdOOqKrjyReScJAKBn+yA7NMiG+0RAw47fFDS X-Received: by 2002:a05:6402:34cd:: with SMTP id w13mr5393537edc.73.1619539853297; Tue, 27 Apr 2021 09:10:53 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1619539853; cv=none; d=google.com; s=arc-20160816; b=0Llx3lFMh9WcmkEkWDD3fNHi0X5wMcC7iOI0rG0R178AQ1Ruu/vEjgs0+k3H9r2Wfp biDjXePJqGSGjFkpro4OYJvCfVhdVaZMmTXaU2D7OQcFrkmxWc2YaM9sAp6e2Hax4MQg HJiXfFEgbLVJL8qZIOE1s+DKFsoRs5j5w9KNIrW126ICcZsaemDr81b0aXOgFPo0OGpC 45NefkvFQWMlBIVZayRhiIOxxgGQUJtkFCW4X6ACZi/f0bsqL28wdFoDAeoG5wPen+EC STtoTdgMBh1F7PSVLtEgcEeKXzJCxV6SD23OlhuAwXggJ9Px/o2hUjvZhVl5LAxvxYLJ XUNA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:in-reply-to:content-transfer-encoding :content-disposition:mime-version:references:message-id:subject:cc :to:from:date:dkim-signature; bh=mABIv3gd/NpHdrpmttxF54ygOPuU/Wv57a+n+n7FXNY=; b=DAbaM9QgzlETl3kbn8yuxFl39bjxF/sRHCz2VagahAKtQqqRgaJZamqeYt83T1slvR aWq+Bomxx34FFtgTlgsuY3zRy+kWFngSZNPhYZ95ns3J4SCyMX4uI0Vr9WrZ/d1b3JOj +h4YB3WFuZDVecaEHydAhuMrewPCpm2XQ9Y9mx4btF1k3tR+7oA/xelSgjId9E+IjsST 5KAeWbBZ3GiW39S+5++ojS+PrGCsV3mCiVDTD5hFx1+Z3Z2xrDS4HTGyMgInqTth3zYe tVis75bG2LeYsSkiTvcSz5O0Uo66M2DK6Jn4ja4LpXA0gxC28ClqXExoZwQGD0kAzTW4 Qopg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=hIXwNke0; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id oq21si267689ejb.276.2021.04.27.09.10.29; Tue, 27 Apr 2021 09:10:53 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=hIXwNke0; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235974AbhD0PhQ (ORCPT + 99 others); Tue, 27 Apr 2021 11:37:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41616 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230091AbhD0PhP (ORCPT ); Tue, 27 Apr 2021 11:37:15 -0400 Received: from mail-wr1-x431.google.com (mail-wr1-x431.google.com [IPv6:2a00:1450:4864:20::431]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7BA49C061574 for ; Tue, 27 Apr 2021 08:36:30 -0700 (PDT) Received: by mail-wr1-x431.google.com with SMTP id t18so2350874wry.1 for ; Tue, 27 Apr 2021 08:36:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:content-transfer-encoding:in-reply-to; bh=mABIv3gd/NpHdrpmttxF54ygOPuU/Wv57a+n+n7FXNY=; b=hIXwNke0zOA5Q8eB31F103zrewrScLbYhba27ETmVZi6jOIo5gSbCSap9Dpc9szAGZ WZsRmn9TeOJWhveY2qSB4YBI96VJRBNhdwZNTynMlY2h/UShi31X/Djzl64CjpT8kqmw LwjJOORQdIUP1QQ+YyXJSUpvj40Zwp9xZ8k5RrdAgMUOAJc4n5K7e0+Wzl5XKTIoUjHp qbFo3auiDYo8+0ZGQMmxfWnu3N86UFnzctifx+69FCsLlAgEEIKgbs4GCiACP0mwXOYQ GHFT9Bnr7/IltSTJW9sQbjYJiMA1MHfpWon701xwm2i2Uz/qG84XtXBQ0v5G2O3AjbsH OQdw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:content-transfer-encoding :in-reply-to; bh=mABIv3gd/NpHdrpmttxF54ygOPuU/Wv57a+n+n7FXNY=; b=oqg/loXqbZFDfA9L8TBnmMznKT3UdHKvXYuHNr/VZg30luKpMJFP6ZyB/Ilp+k3IPb AHWooK44EuaWSn8MfuMgJYu2K7PPVuXFhBw0A20BY32h6cn67R+FkUjN8cjoIP2BwV+D dk3zSINNE7pqWDBvoiypPUIb14r9O2UA5vEcFmCqu01mz++Cb/jQeHYJRhg6cKc5V1yD pS736IOvIQ6bRmY8iIfIorXF0ir/7ZVKfn9zAA2xfaUUTZw4+e3Hy0mX0CpKTMAYPTZj IIDvPh5w8aki0zZkDQfIf8JOxs+fg7u7+VnME/UGOCzb3SbVUNi4UY2bajVhd3n0DR8Q Vd/g== X-Gm-Message-State: AOAM533MUUFUN0JO592C4uT1Go8ljLShiA472piGNGNcPtAql+lYQnZ1 YsB15nmSpBOmRigFfMVjw6vbVIM4PFQ= X-Received: by 2002:adf:ab1d:: with SMTP id q29mr10201659wrc.208.1619537789238; Tue, 27 Apr 2021 08:36:29 -0700 (PDT) Received: from Red ([2a01:cb1d:3d5:a100:264b:feff:fe03:2806]) by smtp.googlemail.com with ESMTPSA id l13sm3119408wmj.3.2021.04.27.08.36.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 27 Apr 2021 08:36:28 -0700 (PDT) Date: Tue, 27 Apr 2021 17:36:27 +0200 From: Corentin Labbe To: Greg KH Cc: rafael@kernel.org, hch@lst.de, m.szyprowski@samsung.com, robin.murphy@arm.com, iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org Subject: Re: dma-api debugfs directory is not created since debugfs is not initialized Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Le Tue, Apr 27, 2021 at 01:39:16PM +0200, Greg KH a ?crit : > On Tue, Apr 27, 2021 at 01:34:27PM +0200, Corentin Labbe wrote: > > Hello > > > > I try to debug some DMA problem on next-20210427, and so I have enabled CONFIG_DMA_API_DEBUG=y. > > But the dma-api directory does show up in debugfs, but lot of other directory exists in it. > > Does it show up properly in 5.12? > No (Tested on a qemu x86_64)