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=1793873553; b=N+/dDSbqKiJ2nBCjlHfnTXD9mTlQZ7LlunWIpjOaj05F8cjksU9/FYmFi5CDHxZZee0Q AgFPa3lsXDZ8aU60WepgxkC//WRj4U7xJ3LwxF+dzX3Yku4BmsK9hFf3l9x4jbU02P8k9 Js02fxECnrHxcl4m5WqRw10jh7O3SOuqVFFwMXoKyaMaqpWT9U/REod0QRMqpSy31Dd2O KLgik3MJtQ26opDXKp+TmaBEDJYFgd8SmgTB1uE14ny4lsqwxDu4vBnKkVD3i0jE3U36V zVqgvOHP5FNR0DiLRQ0LFjkE/reBD/J3BIgEuZ+VFJ5dUiqhIF2gLRq7RH5pYR+2eBw== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793873553; h=Received:DKIM-Signature:Message-ID:From:Subject:Reply-To:To:Cc: In-Reply-To:References:Content-Type:Content-Transfer-Encoding:Date; bh=Z1/63qDXygQ4CByh13KVz1yFYBdXfuvUX950Qw+ndj8=; b=kEJ1JFJB7L4e04ivcCGRskQ3YQZT57XGCtKG4ncxP6t946rkgeF2y+0bd1Xtb1409aqW qmyJdlZS92B5s3DqzF+r29Ro2sjqK9RgRthusVSjfTvdRyrQQa0YKHqMAUO3p/1YqaE39 g2TuwhxXiUpivqqgfMcYJ36qTDjEFWZCsGQ+iWrSymy7O1K9YAz0e3pJJQGfAPYtVt7j5 t+vVlEunibxA7C3q76CYRomNcKfl/63f0JlkJYY+79/SRt8I4OFLKJ1KTpJsNXkYQcC0v kyA+WFni2sVNakLcjfXj+p3ZgzOpKl1a7BrcPo1ODpFLNzfb3PKV+Ewn+rVPcs+MJ9g== 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=a9Ol9J7r; 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 3E066606D814; Thu, 5 Nov 2026 10:12:33 +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=a9Ol9J7r Received: by smtp.kernel.org (Postfix) with ESMTPSA id E12C71F00919; Thu, 5 Nov 2026 10:12:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793873553; bh=Z1/63qDXygQ4CByh13KVz1yFYBdXfuvUX950Qw+ndj8=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=a9Ol9J7rCo171L8D08tGvrfvh45idvAt9kmt+52gVvVZ4DXW8nEX1s9UdNic9zgNd MhzX3Aes0q1jOxE+kwf4699UZoNUjAT8SSB9azQKSY26lxrMlucMbxhp5QBw5C/H1q czmEzMXsrtFOs13TcTjqbeMgTOhTIAftqPpWMrzlOOHqrZ8JU5RAro0fmAFhpgxBnJ 31PzVn2qsarW20x2S7V0+WpNYC+kfDM59cEsZ0jH5UKT7KkNrmhDdXiGnSoBPcvy8z r5EVvbRA/y81F6NuGDB54QHdZXVCG1+slD0Ry0OXhgbbSQP92Q7ZEr5zP8Y5romuuJ Wdat6iMGjdrEg== Message-ID: From: sashiko-bot@kernel.org Subject: Re: [PATCH v13 09/19] PCI/P2PDMA: Route Relaxed Ordering Completions directly Reply-To: sashiko-reviews@lists.linux.dev To: "Leon Romanovsky" Cc: linux-pci@vger.kernel.org, linux-rdma@vger.kernel.org In-Reply-To: <20261105-fix-p2p-acs-v4-0-v13-9-3dd065907c3b@nvidia.com> References: <20261105-fix-p2p-acs-v4-0-v13-0-3dd065907c3b@nvidia.com> <20261105-fix-p2p-acs-v4-0-v13-9-3dd065907c3b@nvidia.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Thu, 05 Nov 2026 10:12:32 +0000 X-Mailing-List: linux-rdma@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list > From: Leon Romanovsky >=20 > ACS P2P Completion Redirect leaves Completions carrying Relaxed Ordering > alone, per PCIe r7.0 sec 6.12.1.1. A Completion copies that attribute from > its Request, so a client setting it on Non-Posted Requests need not use t= he > host bridge solely because Completion Redirect is enabled. >=20 > Route Completions directly for PCI_P2PDMA_TLP_RELAXED_CPL unless a device > quirk redirects them or the Completer lacks an internal route to its > sibling. Neither restriction promises a Relaxed Ordering exception. No > caller selects these classes yet. >=20 > Signed-off-by: Leon Romanovsky Sashiko has reviewed this patch and found no issues. --=20 Sashiko AI review =C2=B7 https://sashiko.dev/#/patchset/20261105-fix-p2p-ac= s-v4-0-v13-0-3dd065907c3b@nvidia.com?part=3D9