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| author | Maxime Ripard <maxime@cerno.tech> | 2021-09-14 09:25:30 +0200 |
|---|---|---|
| committer | Maxime Ripard <maxime@cerno.tech> | 2021-09-14 09:25:30 +0200 |
| commit | 2f76520561d01a5f37e6d6ed2c2e441b6a355a96 (patch) | |
| tree | 692f210145f35ec2621e2015d788267f25e673cb /include/linux/eventfd.h | |
| parent | 617d5b34f22c66fe9fc9f150be27f5de1b87ca15 (diff) | |
| parent | 6880fa6c56601bb8ed59df6c30fd390cc5f6dd8f (diff) | |
| download | lwn-2f76520561d01a5f37e6d6ed2c2e441b6a355a96.tar.gz lwn-2f76520561d01a5f37e6d6ed2c2e441b6a355a96.zip | |
Merge drm/drm-next into drm-misc-next
Kickstart new drm-misc-next cycle.
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Diffstat (limited to 'include/linux/eventfd.h')
| -rw-r--r-- | include/linux/eventfd.h | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/include/linux/eventfd.h b/include/linux/eventfd.h index fa0a524baed0..305d5f19093b 100644 --- a/include/linux/eventfd.h +++ b/include/linux/eventfd.h @@ -14,6 +14,7 @@ #include <linux/err.h> #include <linux/percpu-defs.h> #include <linux/percpu.h> +#include <linux/sched.h> /* * CAREFUL: Check include/uapi/asm-generic/fcntl.h when defining @@ -43,11 +44,9 @@ int eventfd_ctx_remove_wait_queue(struct eventfd_ctx *ctx, wait_queue_entry_t *w __u64 *cnt); void eventfd_ctx_do_read(struct eventfd_ctx *ctx, __u64 *cnt); -DECLARE_PER_CPU(int, eventfd_wake_count); - -static inline bool eventfd_signal_count(void) +static inline bool eventfd_signal_allowed(void) { - return this_cpu_read(eventfd_wake_count); + return !current->in_eventfd_signal; } #else /* CONFIG_EVENTFD */ @@ -78,9 +77,9 @@ static inline int eventfd_ctx_remove_wait_queue(struct eventfd_ctx *ctx, return -ENOSYS; } -static inline bool eventfd_signal_count(void) +static inline bool eventfd_signal_allowed(void) { - return false; + return true; } static inline void eventfd_ctx_do_read(struct eventfd_ctx *ctx, __u64 *cnt) |