From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 9B9BA51A121; Tue, 13 Oct 2026 14:49:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791902963; cv=none; b=QN6aZ2ZprykvD2bFx1bpxM6PsXr5M2IuErQ5jjJgoLLbbsvm2WBKsvulWpFJt+KdnCw22VbhQ9Rja2f628IxhcO00F8hD+tzqf2te3ub1xXgTzcf5yx2I1AWpr/9V/NTETA5tHIYHvdoG6jiw6aNfSco7iXRZ1yKIovgdz11dRs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791902963; c=relaxed/simple; bh=B9r+UH/Jek/pvtTnOlWsQ8VfudHccOueisXs2n2OD5k=; h=Message-ID:From:Subject:To:Cc:In-Reply-To:References:Content-Type: Date; b=b2kb2vqB6s3+9R/oTjwr6HObx5QcTKGxAU5K0CT9SmCGZgZdeho7716Q6a/yKTJEAUbj8lrtXM0mJ3P9pzU57jBAaSKf5hxngJ7N6I/wF2OrJhWx80DP9AMmPvHt5/nJPHuX8w3/Q7bOkOj+zMSU6+BplW/ZClOkWjMOC2Rw3ms= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=nXiscuek; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="nXiscuek" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 257121F000FF; Tue, 13 Oct 2026 14:49:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1791902962; bh=B9r+UH/Jek/pvtTnOlWsQ8VfudHccOueisXs2n2OD5k=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=nXiscuekqYuwS5IBVM+WRh2gISO5IV+ODW/9wq73il+MMZYl/fss5H5bO8GqNr3xa Y6PIWXjuVxr01BHyS4PpQpzmMINBg/mSar12ExkKAokYzFg0vNMV1ahGvYc++Yfb2y p7dcHRVuftFP8JxmAOizu76fzE2q9kvg/4vOk389l2vUKLBv9IV/XMmj0A1U8jrHXX mdaxXO0NyEKQomlqWVHJv2PPbFKDIzfsVTayD22fzX0eyQ69hp9y7rIUb4Of/BsLHe eHL3eqfDmxLOStO/u7MZST4CrB8kIjQhUWImSy13MayUwsRWIvhlrvI/OoxViivr3P o9y0zg9WQz2YQ== Message-ID: From: sashiko-bot@kernel.org Subject: Re: [PATCH v11 14/19] PCI/P2PDMA: Test the ACS P2P routing walk Reply-To: sashiko-reviews@lists.linux.dev To: "Leon Romanovsky" Cc: linux-pci@vger.kernel.org, linux-rdma@vger.kernel.org In-Reply-To: <20261013-fix-p2p-acs-v4-0-v11-14-72cf8c96e617@nvidia.com> References: <20261013-fix-p2p-acs-v4-0-v11-0-72cf8c96e617@nvidia.com> <20261013-fix-p2p-acs-v4-0-v11-14-72cf8c96e617@nvidia.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Tue, 13 Oct 2026 14:49:21 +0000 Precedence: bulk X-Mailing-List: linux-rdma@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: > From: Leon Romanovsky >=20 > Routing depends on which ports share each path, not just individual ACS > registers. Sibling functions without internal peer routes must use the ho= st > bridge even when redirect controls read as zero. >=20 > Drive the walk over fabricated switch and multifunction topologies with > fake configuration space. Cover directional controls, nested ports, TLP > attributes, hardwired isolation, ARI, PF/VF paths, forwarding failures, > translation blocking, host allowlisting and packed cache values. Keep > external peers and self-DMA independent of sibling routing restrictions. >=20 > Signed-off-by: Leon Romanovsky Sashiko has reviewed this patch and found no issues. It looks great! --=20 Sashiko AI review =C2=B7 https://sashiko.dev/#/patchset/20261013-fix-p2p-ac= s-v4-0-v11-0-72cf8c96e617@nvidia.com?part=3D14