From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by mail.toke.dk (Postfix) with ESMTPS id 17462A33CBA for ; Sat, 21 Oct 2023 03:12:21 +0200 (CEST) Authentication-Results: mail.toke.dk; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=QBk2oWNT Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by ams.source.kernel.org (Postfix) with ESMTP id A9294B82CE6; Sat, 21 Oct 2023 01:12:20 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 52523C433C7; Sat, 21 Oct 2023 01:12:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1697850740; bh=yJX+apBBAClOtV/YFyWwV9foliocgjFk8Kr+7KOGcoo=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=QBk2oWNTPfdzVnfnbTq+6jz9Kdwh6KSlxPERZFfw0CBJ6zhdmEM1xcGHOeYlaQyhM cb67dbjcUImbQ2urfcHA7JvSgZTo2v4hMT9YosgOwaBpZnm+xuaZZqP2T2xuBG+22Y DDJCtqaoKj80PT64eALhP2raLt4V67/7cJuX2dyDDt56jM+1Nlr5rcPDd+YfBkwkVw 4Rh1KDYQERV9R392r4rF8A68kp2uKi9bAMbNw+bDswOvOgwpw8jRBioLxsUW/8qDOF Ew2veD/8ytw+2OhuMULRKJmJPON7/WEZyvi2MQTUw/N5prj0dsikxwH1D2NEck3YT4 H/3GsActT6Fpw== Date: Fri, 20 Oct 2023 18:12:18 -0700 From: Jakub Kicinski To: Stanislav Fomichev Message-ID: <20231020181218.05ea35af@kernel.org> In-Reply-To: <20231019174944.3376335-2-sdf@google.com> References: <20231019174944.3376335-1-sdf@google.com> <20231019174944.3376335-2-sdf@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Message-ID-Hash: 6BUNEDGFVUARHLLE4EXWAXQ5SYA6YVUH X-Message-ID-Hash: 6BUNEDGFVUARHLLE4EXWAXQ5SYA6YVUH X-MailFrom: kuba@kernel.org X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header CC: bpf@vger.kernel.org, ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org, martin.lau@linux.dev, song@kernel.org, yhs@fb.com, john.fastabend@gmail.com, kpsingh@kernel.org, haoluo@google.com, jolsa@kernel.org, toke@kernel.org, willemb@google.com, dsahern@kernel.org, magnus.karlsson@intel.com, bjorn@kernel.org, maciej.fijalkowski@intel.com, hawk@kernel.org, yoong.siang.song@intel.com, netdev@vger.kernel.org, xdp-hints@xdp-project.net X-Mailman-Version: 3.3.8 Precedence: list Subject: [xdp-hints] Re: [PATCH bpf-next v4 01/11] xsk: Support tx_metadata_len List-Id: XDP hardware hints design discussion Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: On Thu, 19 Oct 2023 10:49:34 -0700 Stanislav Fomichev wrote: > - 4-byte aligned But there is an 8B field in it. Won't this trap on some funky architecture of yore?