From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793947435; b=acAO26lbvGmvXXwod6odGE3n1k6z5PBB89u1hIwWA1KPzDUfuTegdi/trLBWghznmKJV IZ764Qmgf8C+3QJXq3TlEqkEpfAA81j5lbkyUw9U+77SbuC3AkwUTcGshAKGdRtcmZBVD J2yk2ByArcpJbuHwhY2vWhoYuZgpox9VFIOA7EfBg6nueVG+yXKPnhS2nlVSlwoNKu3px vq06o9DfpF/QEY7oKeiEAPLYKi6N63EqHo+xp1/e1AoXkxPV5bSoXWkgvCanfL0JWqkP7 bTZDyYEnA4sKC5tMi2FP6jjrvx43RYJtsqn9jdONjpnxovxpiGOb3XEYaWi45EvMF0A== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793947435; h=Received:DKIM-Signature:Message-ID:From:Subject:Reply-To:To: In-Reply-To:References:Content-Type:Content-Transfer-Encoding:Date; bh=iMfs5dHI0OWlKFX+e26Ch5iEc6OfZ6tcSO3QTKHBdzY=; b=cNRQ7p3YxgRgB4yD31PalgJ5OLBtg9ODqBDbUB6CjafOfNYinxrV7WH1PLTJXDgNLZ1L xOKpFw8lKjGcXnnSPWWk7P6mmHRtiRHUPnZC4LnNj7MFSbglRhjxL8XQTr2dERvIs62Qi J+Md90dG2sDd/7KKYPGZEYoV7Rmu1ZwPyPW+UfSbzrcPF2HMYMkLTQxe3UeElgTcAopss 4YJRVlIdRSKJ5r7NVAPncSgMiqzaTLgY4a+bxa1113dbaYUlxmCUBYIHUy9E6rsLGu6fk habBfJLJuMz+Jj4answtj+fQtwFdZM4bVg3rMCV8vOYufZxaFHEF44Fk+mMMYzhTinw== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=WXuzyw8o; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 53AB2606A335 for ; Fri, 6 Nov 2026 06:43:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=WXuzyw8o Received: by smtp.kernel.org (Postfix) with ESMTPSA id 12AE41F008A2; Fri, 6 Nov 2026 06:43:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793947435; bh=iMfs5dHI0OWlKFX+e26Ch5iEc6OfZ6tcSO3QTKHBdzY=; h=From:Subject:Reply-To:To:In-Reply-To:References:Date; b=WXuzyw8org/yjEYu6pjxkYnWJ3nxVueQOBzVZHA2refuI3tuQ4wBgrIG9a72URTea aljo0+rUXUy7n27YXOsPlv90eggiuqV5bv80S7xZgWp2xtOYIm/3F1J96MLnoIjVQn BpC6h7jGeRdd69fYeZBDANjbvH3Jh39r4/1OEnaI/IV1PIPzT3GeByu9dLpKH90pIK g9B5MNQg7vybSEpdq4BVX6JSForI4sVdTL4eWBvGUuWWhINBHhTJ8KLTxFVsUfniKX FNuGCPB5acORxrK4cp8+QIqF85v+HqFJvZS8n8mDSjWhyiZ2AlxQDfTVEoNqJP+ra3 agpiZEEQVPqrw== Message-ID: From: sashiko-bot@kernel.org Subject: Re: [PATCH v2 13/23] accel/habanalabs: Use the SGT_P2P mapping type Reply-To: sashiko-reviews@lists.linux.dev To: "Alistair Popple" , linux-rdma@vger.kernel.org In-Reply-To: <20261105-dma_mapping_type_v4-v2-13-78b8dc9ae80a@nvidia.com> References: <20261105-dma_mapping_type_v4-v2-0-78b8dc9ae80a@nvidia.com> <20261105-dma_mapping_type_v4-v2-13-78b8dc9ae80a@nvidia.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Fri, 06 Nov 2026 06:43:54 +0000 X-Mailing-List: linux-rdma@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list > From: Jason Gunthorpe >=20 > habana has special code to check pci_p2pdma_distance() and rejects any > importer that cannot do P2P DMA to its MMIO. >=20 > Convert this directly to a SGT_P2P match which does the same check > inside the matching logic. >=20 > Someday this should be converted to use dma_buf_phys_vec_to_sgt() which > does the P2P checking correctly, for both direct and IOMMU based cases, > instead of this hack. >=20 > Remove the now empty attach function. >=20 > Signed-off-by: Jason Gunthorpe > Signed-off-by: Alistair Popple Sashiko has reviewed this patch and found no issues. --=20 Sashiko AI review =C2=B7 https://sashiko.dev/#/patchset/20261105-dma_mappin= g_type_v4-v2-0-78b8dc9ae80a@nvidia.com?part=3D13