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 B6FCF23535E; Wed, 27 May 2026 01:40:27 +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=1779846028; cv=none; b=B/aDKZZnfJIL6m+FAlcKVflVfALEsbiJIXcvzf9eXt1OPHX6ykxOJmUsWzzwxFtCnaI4nHS2COjCVX3tdotewGedIYJgSyjHSvDmtDWXoCxtH1Sa97fn6wy3odddoitFF7KnxifXa0pgvOtoJBLflKJLLpV/jZ6gu9eayuck5bE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779846028; c=relaxed/simple; bh=3MUBBPppyO0fH/F3MIaALrwek2Q97thIaEAQ5B+cKYA=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=qL2ffsEjF+i931W/1UCvsLm4LlkLrARE0y33YKBvI/P2CJMMENJm5p1MFyR4T3APKINSpc3Td4s0IMIevbUPkhNf1jHdVJAAAOqUdvDNMTGp3cex6VdD3jV6rHoS+sEyVcN4LpTyHF9Trx2EPIHrgp6IjYzweR/8vPFH8+baWxQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=HaSlg+qi; 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="HaSlg+qi" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 604B71F000E9; Wed, 27 May 2026 01:40:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1779846027; bh=k7APhuaYn+BJj+G8pdfSIyx/xH1eGaLzG4YtD0OwtPg=; h=Date:From:To:Cc:Subject:In-Reply-To:References; b=HaSlg+qimU8q1kQ7AE/GGxz+RGhvpNsO+GUGBwXE4Z5UEtAT6JlyIacLBE7BVuo1x g5rrWFWLHmLoirH/+CQ5Vnh5xJvINDkydgK14Bqd4WItdRLWEMVeJ1MiSRn2RMACjf AMyOMHuJcNM+XDaSIdIPHWN9H/pY4bJ0NBshse3V3XmTPyI6usqvRp2cBfwFIBSZ+G NLWiUE8CcyyOhxhIyUbL6i/OT9T+X8nN8P7LxeE/HQlqGkeny4uXidwpe14ndoKsNb fdTB73jSvTpG1EvEXr2DIGSbyaN09e2cUSJa37FoJB5j5FzKd+gKbeYjWPPY9JipHQ ko85lM5WD4T4A== Date: Tue, 26 May 2026 18:40:25 -0700 From: Jakub Kicinski To: Demi Marie Obenour via B4 Relay Cc: demiobenour@gmail.com, Herbert Xu , "David S. Miller" , Eric Dumazet , Kuniyuki Iwashima , Paolo Abeni , Willem de Bruijn , Jens Axboe , Simon Horman , Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Mark Rutland , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , James Clark , Jonathan Corbet , Shuah Khan , Eric Biggers , Ard Biesheuvel , linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, io-uring@vger.kernel.org, netdev@vger.kernel.org, linux-perf-users@vger.kernel.org, linux-doc@vger.kernel.org Subject: Re: [PATCH 1/3] net: Remove support for AIO on sockets Message-ID: <20260526184025.0ca0e979@kernel.org> In-Reply-To: <20260523-af-alg-harden-v1-1-c76755c3a5c5@gmail.com> References: <20260523-af-alg-harden-v1-0-c76755c3a5c5@gmail.com> <20260523-af-alg-harden-v1-1-c76755c3a5c5@gmail.com> Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Sat, 23 May 2026 15:43:02 -0400 Demi Marie Obenour via B4 Relay wrote: > The only user of msg->msg_iocb was AF_ALG, but that's deprecated. > It can be removed entirely at the cost of only supporting synchronous > operations. This doesn't break userspace, which will silently block > (for a bounded amount of time) in io_submit instead of operating > asynchronously. > > This also makes struct msghdr smaller, helping every other caller of > sendmsg(). Acked-by: Jakub Kicinski