netdev - Re: [PATCH v2 2/2] vsock: Enable y2038 safe timeval for timeout

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Message-ID: <CAK8P3a0BiS=mOxS8FeJnxz7pjWFuVNJz0WPFVVEPzsZ0bmzYkQ@mail.gmail.com>
Date:   Thu, 7 Oct 2021 14:53:35 +0200
From:   Arnd Bergmann <arnd@...db.de>
To:     Richard Palethorpe <rpalethorpe@...e.com>
Cc:     Arnd Bergmann <arnd@...db.de>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Stefano Garzarella <sgarzare@...hat.com>,
        Andra Paraschiv <andraprs@...zon.com>,
        Eric Dumazet <edumazet@...gle.com>,
        Arseny Krasnov <arseny.krasnov@...persky.com>,
        Willem de Bruijn <willemb@...gle.com>,
        Deepa Dinamani <deepa.kernel@...il.com>,
        Networking <netdev@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Richard Palethorpe <rpalethorpe@...hiejp.com>
Subject: Re: [PATCH v2 2/2] vsock: Enable y2038 safe timeval for timeout

On Thu, Oct 7, 2021 at 2:34 PM Richard Palethorpe <rpalethorpe@...e.com> wrote:
>
> Reuse the timeval compat code from core/sock to handle 32-bit and
> 64-bit timeval structures. Also introduce a new socket option define
> to allow using y2038 safe timeval under 32-bit.
>
> The existing behavior of sock_set_timeout and vsock's timeout setter
> differ when the time value is out of bounds. vsocks current behavior
> is retained at the expense of not being able to share the full
> implementation.
>
> This allows the LTP test vsock01 to pass under 32-bit compat mode.
>
> Fixes: fe0c72f3db11 ("socket: move compat timeout handling into sock.c")
> Signed-off-by: Richard Palethorpe <rpalethorpe@...e.com>
> Cc: Richard Palethorpe <rpalethorpe@...hiejp.com>

I had a look to make sure you've covered all the tricky corner cases,

Reviewed-by: Arnd Bergmann <arnd@...db.de>