From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 31C8CCA5FCB for ; Thu, 1 Oct 2026 12:04:07 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 8D0FB10F61A; Thu, 1 Oct 2026 12:04:06 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.b="EE41+fzX"; dkim-atps=neutral Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) by gabe.freedesktop.org (Postfix) with ESMTPS id 54D6910F61A for ; Thu, 1 Oct 2026 12:04:05 +0000 (UTC) Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by sea.source.kernel.org (Postfix) with ESMTP id 10A77403A9; Thu, 1 Oct 2026 12:04:05 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9B7041F000FF; Thu, 1 Oct 2026 12:04:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1790856244; bh=5z3oEw7PaUyQs6b4y/rnbrXQwKYoX0vuE4x8zOk8vFU=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=EE41+fzXOJWMpMMz7fBBfxtXPahyOlANFdfBsBdd7BUzBb117LfHYrczizjgcrG/K guvikNoTV6WvUPO8Tv8yx5xKy+48h0DQrfjDXca2Xbp2fJx8LP0nYmB17GhDKnzz8N AGIRGVef8KuCA1YFrvK6vQHvTJOGAbfo6lfI1qzV97t4qEcyqZWEZVUtadVvlItPzF Q//tj1iJ7a6dD/2rt6m+XWpqanAwlzUr0tKqEC7veroflnMJYfzvcVsGQ0mmy+Uz9v CvyJw9CUKAuN+9Iu0F4KVzmt/96q9nCjV5Di7HP8+HPVmqadsEvr1bEU8eSrDCTNzH TwwBSn03ndJnA== From: sashiko-bot@kernel.org Subject: Re: [PATCH v9 18/18] PCI/P2PDMA: Test the routing of clients with ATS enabled To: "Leon Romanovsky" Cc: linux-rdma@vger.kernel.org, linux-pci@vger.kernel.org, media-ci@linuxtv.org, kvm@vger.kernel.org, dri-devel@lists.freedesktop.org In-Reply-To: <20261001-fix-p2p-acs-v4-0-v9-18-1a8e0f50ddd9@nvidia.com> References: <20261001-fix-p2p-acs-v4-0-v9-0-1a8e0f50ddd9@nvidia.com> <20261001-fix-p2p-acs-v4-0-v9-18-1a8e0f50ddd9@nvidia.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Thu, 01 Oct 2026 12:04:04 +0000 Message-Id: <20261001120404.9B7041F000FF@smtp.kernel.org> X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: sashiko-reviews@lists.linux.dev Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" > 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. It looks great! --=20 Sashiko AI review =C2=B7 https://sashiko.dev/#/patchset/20261001-fix-p2p-ac= s-v4-0-v9-0-1a8e0f50ddd9@nvidia.com?part=3D18