From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 177488C0E; Wed, 28 May 2025 01:30:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748395831; cv=none; b=ueBcw1RSkIO+LyPDyovaIvbEf+ZdBb9zN8NQJxrVAGayKIyEP4aLUFfp2bibwJT2kOBJ4AtJkp9J7JeGaW8Czru2mYzCx0s3XE9uJhe7uOxDENTsG2Fj7SyoGLttPDvZOik6nffdnHA+uMvxFUVuBXyLd8TnjNENOVExGEmQhfc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748395831; c=relaxed/simple; bh=xmLIszYoDwjBy4Ya5Nrjwz37sz09hLjWrnjs4tzoxAw=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=OMqYFhX80Hr+ZS8u8VWuXMamCgu/k0H2W1Cid3gFdTGvhayV4B2DTAde2XLctoAJ9MkgDMlYyqDloJO2iYFTG6ehzx8OmwKnQ+mNF7qrHcRQI+lmyVeBLp6U6PZBSZeLoa+TuyyVz8yO0rG0NNEktrSheW1twmVgAKEp+VbdtMI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=JMWjjY35; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="JMWjjY35" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 76DE2C4CEE9; Wed, 28 May 2025 01:30:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1748395830; bh=xmLIszYoDwjBy4Ya5Nrjwz37sz09hLjWrnjs4tzoxAw=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=JMWjjY351iYisgqOnXpI2b+8vAgBGVDwAsa7g/yeAnnvajZqpeJPpPnIZFxIMnZgI SCcQrtJCqkPJ7S7kEdA+U9RhJXQeOE1adTXC8laWgwKbiaXB38vSdEXe1CeZto8vi5 tY/p7vphnb2BFuZVae89rvHjT+FNl6OwlKPEjvrGuPXQg5SxdiSfaP2FB2zHRpygSk +x/9hx5OAmDnPy27r8IvjO9bMXTkvi+SRVSop2scLXIVUmx2ugwpzJ/jqGaEEWK3Nf wDaIC6cIUXWraesI8E0dczB1iEHYZk+ipEUFsH/jy4ue9Z73pjvt1YQ4daT5kwBpWd ywLL8PdZYHRJA== Date: Tue, 27 May 2025 18:30:28 -0700 From: Jakub Kicinski To: Stanislav Fomichev Cc: netdev@vger.kernel.org, davem@davemloft.net, edumazet@google.com, pabeni@redhat.com, viro@zeniv.linux.org.uk, horms@kernel.org, andrew+netdev@lunn.ch, shuah@kernel.org, sagi@grimberg.me, willemb@google.com, asml.silence@gmail.com, almasrymina@google.com, jdamato@fastly.com, kaiyuanz@google.com, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org Subject: Re: [PATCH net-next 1/3] net: devmem: support single IOV with sendmsg Message-ID: <20250527183028.37e62c56@kernel.org> In-Reply-To: <20250520203044.2689904-1-stfomichev@gmail.com> References: <20250520203044.2689904-1-stfomichev@gmail.com> Precedence: bulk X-Mailing-List: netdev@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 Tue, 20 May 2025 13:30:42 -0700 Stanislav Fomichev wrote: > sendmsg() with a single iov becomes ITER_UBUF, sendmsg() with multiple > iovs becomes ITER_IOVEC. iter_iov_len does not return correct > value for UBUF, so teach to treat UBUF differently. Looks like this has been merged (silently), thanks!