From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from ale.deltatee.com (ale.deltatee.com [204.191.154.188]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3ACAE3CC7CE; Tue, 25 Aug 2026 20:05:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=204.191.154.188 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787688330; cv=none; b=dFiwtiRMd0rSoefmXZpbJzWbeQhwG7y3eFYWNbWOG1h01cdbYw0DObbSzrDSm9H2hKx3eVN0YIWAtYgy7RBxkh8TSWuso3dgj0n0TkNSwDtrNpp5RJIp+wu9iTYbB4dmiqDInu1IKZUd7LZ6yeFBOTxs9qtOzIevY+gsFfelXXw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787688330; c=relaxed/simple; bh=i5QmLyr9y1GFbPUce3UMIWas+1K1LVzX+MS1VkuCFhY=; h=Message-ID:Date:MIME-Version:To:Cc:References:From:In-Reply-To: Content-Type:Subject; b=XjjmjJCxg2Jp91hhsU71+3PFLxXHthVHDNKoCPFxUAKFoelZ1S2gI89RdtVToPJB0wSVr84vRyb9FScOF58UnItPT4U6QdgF2seeLjM+BRuPRgpQXvZTdNd2ou1D+d+mq1nCLUh9caeKtLdIdL6ZSEUEvZcTCqiIrk5zWB3J8Jo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=deltatee.com; spf=pass smtp.mailfrom=deltatee.com; dkim=pass (2048-bit key) header.d=deltatee.com header.i=@deltatee.com header.b=KmUw93Qi; arc=none smtp.client-ip=204.191.154.188 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=deltatee.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=deltatee.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=deltatee.com header.i=@deltatee.com header.b="KmUw93Qi" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=deltatee.com; s=20200525; h=Subject:In-Reply-To:From:References:Cc:To: MIME-Version:Date:Message-ID:content-disposition; bh=iegiTVChsTubBoauxaUiIv53UrAdzumP4GLHq70u8/E=; b=KmUw93Qi4EK4PCsI+Cf9iO+Arr IeuyZ8J8sGF1u8kJroNzDYpfc3+4SA83vLG5jx9NrrZ7MFbeTB9fU7dAZEEplF9u/f6eIZs3tq353 ZFzTjnOacR7Say4PM4LLDcgTJD88UBdGJ0ioIxt9qbzXuv8Vu1/KsJVNqWohig7I00ORmiRzJmIZR e/MUJXx1VYByD07Z/gn13XMCWmWzurH4r47RCEa5dUZBvlqYZ+Zy7T2CQAO5LWorNOSBdnz1tNZMA hmZxC3bLnaem4UYSJ5tf2nsLR77mS59euUlZPJwXPc2ZEuZ+HNHmXMHRv0BddBQvX66G0VXpoIf45 pEI42wBA==; Received: from guinness.priv.deltatee.com ([172.16.1.162]) by ale.deltatee.com with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.98.2) (envelope-from ) id 1wyxOg-00000006MiZ-3aPa; Tue, 25 Aug 2026 14:05:27 -0600 Message-ID: <6aeec523-3088-4f37-accc-c900953393f6@deltatee.com> Date: Tue, 25 Aug 2026 14:05:24 -0600 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird To: Leon Romanovsky , Bjorn Helgaas , Jonathan Corbet , Shuah Khan , =?UTF-8?Q?Christian_K=C3=B6nig?= , Sumit Semwal Cc: linux-pci@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org References: <20260825-document-dma-buf-v1-0-5ecfb3e1371c@nvidia.com> <20260825-document-dma-buf-v1-1-5ecfb3e1371c@nvidia.com> Content-Language: en-CA From: Logan Gunthorpe In-Reply-To: <20260825-document-dma-buf-v1-1-5ecfb3e1371c@nvidia.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-SA-Exim-Connect-IP: 172.16.1.162 X-SA-Exim-Rcpt-To: leon@kernel.org, bhelgaas@google.com, corbet@lwn.net, skhan@linuxfoundation.org, christian.koenig@amd.com, sumit.semwal@linaro.org, linux-pci@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org X-SA-Exim-Mail-From: logang@deltatee.com X-Spam-Level: Subject: Re: [PATCH 1/2] PCI/P2PDMA: Update DMABUF lifecycle docs after move_notify() rename X-SA-Exim-Version: 4.2.1 (built Sun, 23 Feb 2025 07:57:16 +0000) X-SA-Exim-Scanned: Yes (on ale.deltatee.com) On 2026-08-25 00:28, Leon Romanovsky wrote: > From: Leon Romanovsky > > Commit 95308225e5ba ("dma-buf: Rename dma_buf_move_notify() to > dma_buf_invalidate_mappings()") left the DMABUF section of the P2PDMA > documentation pointing at move_notify(), a symbol that no longer > exists. Readers grepping for it find nothing, and this is the only > place in Documentation/ describing the revocation requirement. > > Name the current function and record that importers which cannot unmap > within bounded time have to be rejected at attach time, which is what > makes the synchronous unmap on remove() achievable. > > Fixes: 95308225e5ba ("dma-buf: Rename dma_buf_move_notify() to dma_buf_invalidate_mappings()") > Signed-off-by: Leon Romanovsky Reviewed-by: Logan Gunthorpe