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Message-ID: <ZCGU5JBg02+DU6JN@tycho.pizza>
Date: Mon, 27 Mar 2023 07:06:44 -0600
From: Tycho Andersen <tycho@...ho.pizza>
To: Christian Brauner <brauner@...nel.org>
Cc: aloktiagi <aloktiagi@...il.com>, viro@...iv.linux.org.uk,
willy@...radead.org, David.Laight@...lab.com,
linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
keescook@...omium.org, hch@...radead.org
Subject: Re: [RFC v4 2/2] file, epoll: Implement do_replace() and
eventpoll_replace()
On Mon, Mar 27, 2023 at 11:01:06AM +0200, Christian Brauner wrote:
> On Fri, Mar 24, 2023 at 07:43:13AM -0600, Tycho Andersen wrote:
> > Perhaps we could add a flag that people could set from SECCOMP_ADDFD
> > asking for this extra behavior?
>
> + if (fd > 0 && addfd->ioctl_flags & SECCOMP_ADDFD_FLAG_EPOLL) {
> + /*
> + * - retrieve old struct file that addfd->fd refered to if any.
> + * - call your epoll seccomp api to update the references in the epoll instance
> + */
> epoll_seccomp_notify()
> + }
> +
> + if (fd > 0 && addfd->ioctl_flags & SECCOMP_ADDFD_FLAG_IO_URING) {
> + /*
> + * - call your io_uring seccomp api to update the references in the io_uring instance
> + */
> io_uring_seccomp_notify()
> + }
Looks reasonable to me, thanks.
Tycho
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