diff options
| author | Amit Pundir <amit.pundir@linaro.org> | 2013-11-15 07:26:31 (GMT) |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2013-12-03 14:35:52 (GMT) |
| commit | 95f19f658ce177387345b51bd48fed7b9cd7d4e8 (patch) | |
| tree | 90ab9da7e5f8033a9133293f6793916e65a758be /include/uapi | |
| parent | dc1ccc48159d63eca5089e507c82c7d22ef60839 (diff) | |
| download | linux-fsl-qoriq-95f19f658ce177387345b51bd48fed7b9cd7d4e8.tar.xz | |
epoll: drop EPOLLWAKEUP if PM_SLEEP is disabled
Drop EPOLLWAKEUP from epoll events mask if CONFIG_PM_SLEEP is disabled.
Signed-off-by: Amit Pundir <amit.pundir@linaro.org>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'include/uapi')
| -rw-r--r-- | include/uapi/linux/eventpoll.h | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/include/uapi/linux/eventpoll.h b/include/uapi/linux/eventpoll.h index 2c267bc..bc81fb2 100644 --- a/include/uapi/linux/eventpoll.h +++ b/include/uapi/linux/eventpoll.h @@ -61,5 +61,16 @@ struct epoll_event { __u64 data; } EPOLL_PACKED; - +#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 #endif /* _UAPI_LINUX_EVENTPOLL_H */ |