linux-kernel - Re: [PATCH net-next v3 10/18] nvme/host: Use sendmsg(MSG_SPLICE

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Message-ID: <20230629164318.44f45caf@kernel.org>
Date:   Thu, 29 Jun 2023 16:43:18 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     David Howells <dhowells@...hat.com>
Cc:     Aurelien Aptel <aaptel@...dia.com>, netdev@...r.kernel.org,
        Alexander Duyck <alexander.duyck@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Paolo Abeni <pabeni@...hat.com>,
        Willem de Bruijn <willemdebruijn.kernel@...il.com>,
        David Ahern <dsahern@...nel.org>,
        Matthew Wilcox <willy@...radead.org>,
        Jens Axboe <axboe@...nel.dk>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org, Sagi Grimberg <sagi@...mberg.me>,
        Willem de Bruijn <willemb@...gle.com>,
        Keith Busch <kbusch@...nel.org>, Jens Axboe <axboe@...com>,
        Christoph Hellwig <hch@....de>,
        Chaitanya Kulkarni <kch@...dia.com>,
        linux-nvme@...ts.infradead.org, llvm@...ts.linux.dev
Subject: Re: [PATCH net-next v3 10/18] nvme/host: Use
 sendmsg(MSG_SPLICE_PAGES) rather then sendpage

On Thu, 29 Jun 2023 22:34:59 +0100 David Howells wrote:
>                 if (!sendpage_ok(page))
> -                       msg.msg_flags &= ~MSG_SPLICE_PAGES,
> +                       msg.msg_flags &= ~MSG_SPLICE_PAGES;

😵️

Let me CC llvm@ in case someone's there is willing to make 
the compiler warn about this.