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=1794290487; b=FzTakbmJ2TGE1pgLz1AbcMxRTXYsFxmLy6jAeCBbSLCevoO/tuqtXMD/C9yOdnOK6KT2 UBMfa8+auAjjWqPuG+HiyUzeFFNt8VFDLZ6jQltafD406Lq4ScCzkvDyHIiMGorwUcW2B VEerZHieAR0gLOV8Cfg5DOP4WpJLZjU5aAGwE+zJhR2aJeYajsCgN+BdRO9uxmCPuChXa /E4DL/MwFACgJWkM5Bo+fjqls2n/hpeq3g4OSp6lUAA8N/yEgtll/Oo2+6B+rGdGOWv16 OY5NPzvnrftOkZ658zc0hgOBRLd2qXdc0gw1DjbakP7LE2/UDs1/h865x4HqkN/ZXEw== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794290487; h=Received:DKIM-Signature:Message-ID:From:Subject:Reply-To:To:Cc: In-Reply-To:References:Content-Type:Content-Transfer-Encoding:Date; bh=Z5KjUWT2IaDFzPhy6MWnYmn0Q7dwpB4eYWLJ2Wjo10o=; b=C8V5CmMFoNtrZJ0ggKcBpg4fxg+W1nxiKPnFjpR54zOeBo3GFLt0KhP5qTITjgJ19YlA b9X41esNaVdYyc0VdMmoY7bdCX3BXSa/OROu9ds8on12HlRNzAx4f46XfJNRUwMXh8p8Q DwVtEtlmDiwUPbPCHwnBsk4h2inIW9JgczFEwGbeZDVknWZ/Qfq92JceXaLfQYuAb2BPN DYFPw875qUEPwrvdIoBLH5u1nSddsxVmwkejf0a1NfoFtqR9Vtj4xHHOk/8e6Fs9/sNch SvLWFgngCzndwuktoAEj1u3lXbrK+mX/+gi8/cJ2JmDJ8aZGXAcpONkYwKORRmCHQ1Q== 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=WLW5nXxW; 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 8E921606A31C for ; Tue, 10 Nov 2026 06:01:27 +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=WLW5nXxW Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3B3F21F0089F; Tue, 10 Nov 2026 06:01:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794290487; bh=Z5KjUWT2IaDFzPhy6MWnYmn0Q7dwpB4eYWLJ2Wjo10o=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=WLW5nXxWk24E+Iyd+gPZRWNRmxtBYLewwAKPfUiirSTfDjx1ftH3jgWfDjunCnwh/ KjbChjfNi7aLPw3C6+rQ7Ixk9ZXayIckpw8tNJpadcA2Cl3m7TiFsZWOj85zPQODDC zni05+7N8ZNNARqDygCUslzdnqNHbrzDlb44WfrI0u0GAbrfkmMak73RCwIuupZvGa yhZ0jP361Zr+OftSCPchhW4Y6qRD/KD5Qp+1orkJcdKdsT6AtKo/uUalrXSgxLlYrx R96D3iCEdVbcOtAhczx9qIOKvqi+ei9AdKcVJCbY31YO5xMoUirAhAN9UKxMdGc0Pw MU3UsNE71Zogw== Message-ID: From: sashiko-bot@kernel.org Subject: Re: [PATCH rdma-next v3 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: <20261109-uet-ib-core-v3-12-3e7e7ffed2e9@broadcom.com> References: <20261109-uet-ib-core-v3-0-3e7e7ffed2e9@broadcom.com> <20261109-uet-ib-core-v3-12-3e7e7ffed2e9@broadcom.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Tue, 10 Nov 2026 06:01:26 +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/20261109-uet-ib-cor= e-v3-0-3e7e7ffed2e9@broadcom.com?part=3D12