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=1792490984; b=4adacIHmFf0FEHwr0+JhK6ZGTEbCEJfkgzfH4+KPuFFjzqd7dD+ZeJ1Y2pX2+rMLC9ib UOyn5mzgpn4721ubbtEATgLuHBRMvtnbs8c9u+0dL4TtyrIyPDfZyNX0ro/ketAjCAZm4 QTynuDb4MFheACVjmxBoTGyAEg6n11U5GwLsUAcA6aVSvcgmzQuciwZLDVOIT+AagZ/UO pR8t3XZ48mdZtKqlNZcG4PNxGVxE+HMHsUGE4zxcUi/FDLwRxNkY+uRrWxfbMTST0ABZ/ 1RLFcuCbNl0O1Kw6qaM2Xl28HD8QV17MyDun8Z9siVPLToL9kBsZ+YPOsPzRXp10XcQ== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1792490984; h=Received:DKIM-Signature:Message-ID:From:Subject:Reply-To:To:Cc: In-Reply-To:References:Content-Type:Content-Transfer-Encoding:Date; bh=O2ubgkCPq7KMIZlpd/e6/gC89juqv40D0k839PTcALI=; b=GWkgUFFjqG4KKfyDI5vBnZetFPNDfFkmEUx7gpBcuRZdAJoApPKXmhi/lmexV3vaoQP+ C6e+/L1mC1aqv1wRBCjFAjL3BJowbv/h1jWuYdx+dTRI+A5dsxZv7nnNwWPCfCGz5gyzV dbxIsT4kj6RI77DDkGkDogSu0HPw06+0WN0JZvOjT+3AZmSQMXvM205eOSYcsLjVfNdz7 aHEZdyYdizS3VfkA9araPJK/P4dBYYa/AreQLQQg5Cu0GJs8N9fWx/wy2ACXi23snhcnh dRknkQVmCi3sZ2ERq8ZszHdSuxNTvjX4O9SksQ2qQVt/aB8MbrDeS/4D5AJ/+YxiNfQ== 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=XeFj6mKR; 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 2F632606A31E for ; Tue, 20 Oct 2026 10:09:44 +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=XeFj6mKR Received: by smtp.kernel.org (Postfix) with ESMTPSA id CF6131F000C4; Tue, 20 Oct 2026 10:09:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1792490984; bh=O2ubgkCPq7KMIZlpd/e6/gC89juqv40D0k839PTcALI=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=XeFj6mKRwm4d45uDXqMvytJxipO33SlsjGTU6Lc8ZAvF3VRkJvDX3+V/4YMWapch5 +UXN2AuD6zNt113/OAKvVkLYHVdtYoiXLSEW9rAX929fdfCB/XCuT+JwVD/7TLwfKn Xf/76zz1jmWPMHNAIIQP4Ejw1jbhNDCGxMFCOPl9A4tKFFYoF+8o0FRMvSyJn0k3VL LtF4EpZ/82KW81KSRGBVsccpunmiZD/ZMY1C60kcTpEonSsAFu5MaMwTttL5UUPyTB wgULe4Gtw4OMvc0ykY7yfma1KiS9UXgtM1q20GRPdsDNewowc7n7r+Uu2tBAsj5biF ea9wqEJcAwzsQ== Message-ID: From: sashiko-bot@kernel.org Subject: Re: [PATCH rdma-next v2 12/13] RDMA/core: 64-bit memory keys Reply-To: sashiko-reviews@lists.linux.dev To: "Eric Davis" Cc: linux-rdma@vger.kernel.org In-Reply-To: <20261019-uet-ib-core-v2-12-8bd654f25370@broadcom.com> References: <20261019-uet-ib-core-v2-0-8bd654f25370@broadcom.com> <20261019-uet-ib-core-v2-12-8bd654f25370@broadcom.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Tue, 20 Oct 2026 10:09:43 +0000 X-Mailing-List: linux-rdma@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list > From: Eric Davis >=20 > A device whose keys are wider than 32 bits has no way to name a region > through lkey and rkey. Carry the wide pair on the region and return it > from registration when userspace asks for it. >=20 > The attributes are optional in both directions, so a kernel that does not > know them ignores the request, and a region without a wide key answers > zero. >=20 > Signed-off-by: Eric Davis Sashiko has reviewed this patch and found no issues. --=20 Sashiko AI review =C2=B7 https://sashiko.dev/#/patchset/20261019-uet-ib-cor= e-v2-0-8bd654f25370@broadcom.com?part=3D12