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 1F167175A93 for ; Sun, 2 Aug 2026 15:50:57 +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=1785685859; cv=none; b=Z+PeULAbB8p9JOH+axSq/VvfGF3nbcx4yzFaF1EnzWdI+N+V1ndiFt4hv0qy9tnZAWPQdlawP/OVcw3ADv5IJQ0GNX+iKyij0z3kRvoz2E+2WSdlMZz+fJ+udx9hAMEZHnvIQpZP/8Ffz9eAlyTm5f5VTGwvSCGgXDR4n2cj/IA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785685859; c=relaxed/simple; bh=Cj6AtewkKw85rTbWhr33A9XpwqGAGk1Dpt1gzFye6WU=; h=From:Subject:To:Cc:In-Reply-To:References:Content-Type:Date: Message-Id; b=DByDGdtK4mdZkMRVb/kZwqyEIAIMhKpkaUKJvNaGK4qqpkGc2bWSmLh1Q/Nc1uA7B+SDpony2jgLwpIjg+lcKtxpQZLlMt2OIr9WBk1wJi8qDNrvCanbMfqV/o80TqEX3TGNd7cu1P8c4bfjy7BdsrQzlgiLHRzPT4fTiFgigGM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Ph4sdwYz; 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="Ph4sdwYz" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A02241F000E9; Sun, 2 Aug 2026 15:50:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1785685857; bh=Cj6AtewkKw85rTbWhr33A9XpwqGAGk1Dpt1gzFye6WU=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=Ph4sdwYzFPKZMy9da6nT0lzjgHtoyg08PhotUyCDqvoJzdxTZ3GlJcitTARF2kv2v MmD91/WktRSMko3LJUlQVCxZmT04r4JqXz0ZhD9mRKyo+XEiWUQHiGsYzmkKY3dPyd Y8qACTvIvz5Dz6+RVpw/mjL2LHCK74Occrb6RSTKmnYVRdv+nYFSsY8pPYG/BJOy6G qw8MxwoX80OTt4Czy9BzokZHSNKZvAK+pashB5sMIgVwSRydg28VDUIIRFB81Tc7bH vL2OY1pleyvUHeHeVQiQOca9jgYzU0q3uhQ+feJatECQt7jdN9ua67+Vl30ngJvfKH Fgi1qCbVzYExg== From: sashiko-bot@kernel.org Subject: Re: [PATCH 07/13] PCI/P2PDMA: Derive peer-to-peer routing from ACS control bits Reply-To: sashiko-reviews@lists.linux.dev To: "Leon Romanovsky" Cc: linux-pci@vger.kernel.org In-Reply-To: <20260802-fix-p2p-acs-v1-7-a7c5eb64fff6@nvidia.com> References: <20260802-fix-p2p-acs-v1-0-a7c5eb64fff6@nvidia.com> <20260802-fix-p2p-acs-v1-7-a7c5eb64fff6@nvidia.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Sun, 02 Aug 2026 15:50:56 +0000 Message-Id: <20260802155057.A02241F000E9@smtp.kernel.org> Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: > From: Leon Romanovsky >=20 > The redirect test reports an upstream redirect for any ACS redirect or > egress control bit. PCIe r7.0, sec 6.12.3, table 6-11 ties the outcome to > the control bits and the target vector, and an enabled egress control bit > alone does not redirect. Compute the result from the control bits so the > vector can be honored next, using the host-bridge route while the peer > target is unknown. >=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/20260802-fix-p2p-ac= s-v1-0-a7c5eb64fff6@nvidia.com?part=3D7