Re: [RFC PATCH v2 04/48] net: Declare MSG_SPLICE_PAGES internal sendmsg() flag

David Howells
2023-03-30T15:09:06Z

Willem de Bruijn <willemdebruijn.kernel@gmail.com> wrote:

> No need to modify __sys_sendmmsg explicitly, as it ends up calling
> __sys_sendmsg?
>
> Also, sendpage does this flags masking in the internal sock_FUNC
> helpers rather than __sys_FUNC. Might be preferable.

I was wondering whether other flags, such as MSG_BATCH should be added to the
list. Is it bad if userspace sets that in sendmsg()? AF_KCM, at least, looks
at it.

David