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=1793700612; b=PdlTZprKcgNk6VfXjqM94d69sIIwytMyFtCgss1k2FmyZkveHKoULKpeW+rxVpCXV5HH 4i67QBpgfYXYiEVhJLIBblYDl1XgkzzdyK4JUtgJ3SQCUbuGk0sydnUKAgCtFqLFCqzka t/duhsQEd7AcvHttiUDeVJ//zZmjy0Ed4op6cMFo1Lh4V/pt5GnYGU8MtOdOkJPRlzZSk h82+pnpGAOgUlvQinH7gooT5Qw4L3t+5E+NTkD/gLRSppnW2NLaw5LZFX3LYwjeazOGNE Vw3XztbT7MsyINRV3qPefWDEZ5RnF7imAUFLGNi2eBfI0R0U6WFnbWic3szaUs3Mjsw== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793700612; h=Received:DKIM-Signature:Message-ID:From:Subject:Reply-To:To:Cc: In-Reply-To:References:Content-Type:Content-Transfer-Encoding:Date; bh=FzKSPFtrnMdQXUg8B+1w3hd31jRQQ2g4UAoa0AdufIo=; b=W+sjUAxt4wWe8b2yyzhA/jJBbbl0j8q+rBjj9O5C6D/EOEnc8rgsAAuXvLX7T/yJ5Ry+ sWV/Tmo7p9TJ52/gbW23KXAz9C7xTmElJ0KoTqGWoN/W9wUiXDYQaa6rGbqyOsFdC1wLN wk1rgKjOLWtBleYUAVj/q+ga9QWIhvezuEI3J12mhuAblQ7QFzII4mgxRw2QNLWcUJQ+D VqkLWuKxFcko4NINDJ70qUrEx0fzdaMQ+x/f6GAVV6Sac0Y52JG7gqWtV49ywbimN+TBm jeWBi5Oe60vvgcIoDmo5a3rIjXE8ESqUCuwkz3C1uBkg8bmYuUkoaWnqRULRDdIimPA== 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=duFtv6CA; 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 DC89660850A1; Tue, 3 Nov 2026 10:10:11 +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=duFtv6CA Received: by smtp.kernel.org (Postfix) with ESMTPSA id 87A1F1F0093A; Tue, 3 Nov 2026 10:10:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793700611; bh=FzKSPFtrnMdQXUg8B+1w3hd31jRQQ2g4UAoa0AdufIo=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=duFtv6CATf8pWAONDDaZBCQlohFu3RdGpP4Vg7G2W3zM1ZBc5h7wQu75rmkQJz6Hd 8iFj3msv064vkEIBn4lYX2KADsySFLrRNRi7PfJFDikQy8ALG1AcAMXVisayC+RkXR n6W4HEwNXCuOOiLGdcH/xh9o3Dw3rcrXBISsOvkCkPMtnNNznXIgwuLnLSlDFWB3Kp 0ctT/SnyiWm/ZGnXLFnBpW8lsS2arT1zqVg2JERCF2E9yCGXT1Qkfz3+ZNG9RvIH1F vGHmg1Ta7urVkAk1ZAcRvP5uu97WcBePlD5f/wYNNOBEKTZ8UjtnE2x7OY43wJhKUv FQ7xekrLVa3JA== Message-ID: From: sashiko-bot@kernel.org Subject: Re: [PATCH v12 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: <20261103-fix-p2p-acs-v4-0-v12-9-912101f93517@nvidia.com> References: <20261103-fix-p2p-acs-v4-0-v12-0-912101f93517@nvidia.com> <20261103-fix-p2p-acs-v4-0-v12-9-912101f93517@nvidia.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Tue, 03 Nov 2026 10:10:11 +0000 X-Mailing-List: linux-pci@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/20261103-fix-p2p-ac= s-v4-0-v12-0-912101f93517@nvidia.com?part=3D9