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=1793705841; b=ijL/J8eJKkjw20P1GvwPThP3qMLUXT9AZWAK1KldjdfLZrKlOxIPvMmMlgms/lHPPrwr 7ekdKHQD908Ev7s3YZ11y88jfQOfuwoI53yMc/EiZtYJssBagoLMYsfj00WBpFXAhRli+ 6NAptFoDwvy3zZ/h/gaaPHFMcLlVc3al5YtRJNRXlSfvKTqcAxDy8m0IrB/2NiIoXCfMs lM06yFFlJGi9vLuquTdbzP1ejNy6iThLGwAyJtOlImD0bGnPaM8K2skQ+cbMU5PqXAd72 BBtwFdQ0M3LQr6E7TiNt5PrT1zXQu14oRehOdGJxc93Tww8oyYcPR15QguTm/5bq3Qw== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793705841; h=Received:DKIM-Signature:Message-ID:From:Subject:Reply-To:To:Cc: In-Reply-To:References:Content-Type:Content-Transfer-Encoding:Date; bh=MRC9fMRMi3AKZvjTD3L5d8gFYfAnbT0iHQlzXtqfpcs=; b=lBTYhw3BkM63X4JNtMazs0lGOAyhNhDQDaXEbiS22jH+GKXVhyvJ/TWuVZrH9sSAXQ4m /6eOx4vJQ+gfwVs+fWa5bszciToaenlQNJIA28AJrH8X7LdlGx9uXijmKDXxXF+6OXuSx EBH3GD5gvgKq3CTfdvwIiDWh0wiCYvLXYFLBs9MDfxhg+raW8j8G72RDXf/6RLnlzpPW7 qLbnumhlylsNHVOKTTZJ6NjC7yz5lTEaQHoPNu9LH7xtFC7AnUzdWl70JYSjyuSKivtct n4SAubfYgKyu28MzyGE/A0VZ1tu1CvW+pvj3xrR01yNMZj5zCUYd23bJqpWb1aAd7xw== 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=jb7J6LWo; 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 03847606D815; Tue, 3 Nov 2026 11:37:20 +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=jb7J6LWo Received: by smtp.kernel.org (Postfix) with ESMTPSA id 711371F000C1; Tue, 3 Nov 2026 11:37:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793705840; bh=MRC9fMRMi3AKZvjTD3L5d8gFYfAnbT0iHQlzXtqfpcs=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=jb7J6LWo1bljK4dKZObJKIkGrAJ74h5Y1cQdYIe5IP5XIdVvfoGrqctaRLuQZcjvb CzseApjv3kZx//ZyuDJPEdZO8K3GILl0q11ULJ9H2QDa3qiZ4aWc9ReY+8bcKeh/+k zlMQzmqU+hoADiE2krXxiCTicpZuZMkHmIPItQPeVhvyjzGMLIKy1uFpklqij9lBW2 u/ThTH4fm+EuGlKE7B6oTWtLpipkVxqPeNbvCAMAul+MrrbS1H+gNXsUwRs00641OP 1VlaAbOwivqwtPYkKRwpa+7UrsUmIyNTLxr9kNPl3sB3em/MUpmPxgcPUBZLAcnzi8 abI1aJhEhGoPA== Message-ID: From: sashiko-bot@kernel.org Subject: Re: [PATCH v12 19/19] PCI/P2PDMA: Test the routing of clients with ATS enabled 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-v12-19-912101f93517@nvidia.com> References: <20261103-fix-p2p-acs-v4-0-v12-0-912101f93517@nvidia.com> <20261103-fix-p2p-acs-v4-0-v12-19-912101f93517@nvidia.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Tue, 03 Nov 2026 11:37:19 +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 > A client that enables ATS for the whole device must never be handed a > bus address, and Translation Blocking must reject its peer-to-peer > traffic even when the caller asks for the default class. That has to > hold for answers taken from the cache as well. >=20 > Cover those on the fabricated fabric, together with a client that > declared per-mapping ATS keeping the per-class answers and a client > without ATS answering for the Untranslated Requests it will issue. >=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=3D19