Re: [PATCH 1/4] seccomp: interrupt SECCOMP_IOCTL_NOTIF_RECV when all users have exited

[Oleg Nesterov]

On 06/28, Andrei Vagin wrote:
>
> SECCOMP_IOCTL_NOTIF_RECV promptly returns when a seccomp filter becomes
> unused, as a filter without users can't trigger any events.
> 
> Previously, event listeners had to rely on epoll to detect when all
> processes had exited.
> 
> The change is based on the 'commit 99cdb8b9a573 ("seccomp: notify about
> unused filter")' which implemented (E)POLLHUP notifications.
> 
> Reviewed-by: Christian Brauner <brauner@xxxxxxxxxx>
> Signed-off-by: Andrei Vagin <avagin@xxxxxxxxxx>
> ---
>  kernel/seccomp.c | 7 ++++++-
>  1 file changed, 6 insertions(+), 1 deletion(-)

Reviewed-by: Oleg Nesterov <oleg@xxxxxxxxxx>