diff options
| author | Palmer Dabbelt <palmer@dabbelt.com> | 2023-03-10 17:07:54 +0100 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2023-03-10 21:05:16 +0100 |
| commit | 063f3ed9faf38e41449838bb3258a7d00f75c5d1 (patch) | |
| tree | da2c35d08ed15872ba4d301bcff2a0de3675354a /fs | |
| parent | 5fe5a7586c27a13a42b7946334d41a96c776a188 (diff) | |
Move ep_take_care_of_epollwakeup() to fs/eventpoll.c
This doesn't make any sense to expose to userspace, so it's been moved
to the one user. This was introduced by commit 95f19f658ce1 ("epoll:
drop EPOLLWAKEUP if PM_SLEEP is disabled").
Signed-off-by: Palmer Dabbelt <palmer@dabbelt.com>
Reviewed-by: Andrew Waterman <waterman@eecs.berkeley.edu>
Reviewed-by: Albert Ou <aou@eecs.berkeley.edu>
Message-Id: <1447119071-19392-7-git-send-email-palmer@dabbelt.com>
[thuth: Rebased to fix contextual conflicts]
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/eventpoll.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/fs/eventpoll.c b/fs/eventpoll.c index 64659b110973..e2a5d2cc9051 100644 --- a/fs/eventpoll.c +++ b/fs/eventpoll.c @@ -2042,6 +2042,19 @@ SYSCALL_DEFINE1(epoll_create, int, size) return do_epoll_create(0); } +#ifdef CONFIG_PM_SLEEP +static inline void ep_take_care_of_epollwakeup(struct epoll_event *epev) +{ + if ((epev->events & EPOLLWAKEUP) && !capable(CAP_BLOCK_SUSPEND)) + epev->events &= ~EPOLLWAKEUP; +} +#else +static inline void ep_take_care_of_epollwakeup(struct epoll_event *epev) +{ + epev->events &= ~EPOLLWAKEUP; +} +#endif + static inline int epoll_mutex_lock(struct mutex *mutex, int depth, bool nonblock) { |