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| author |   Nicolas Pitre <nicolas.pitre@linaro.org> | 2017-08-01 00:31:32 -0400 |
|---|---|---|
| committer |   Thomas Gleixner <tglx@linutronix.de> | 2017-08-01 14:36:35 +0200 |
| commit | bc2eecd7ecce40af43b6eb3d256b6076257df846 (patch) | |
| tree | d4189369c4484b144f9cb3d72455ac3a5207dd37 /include/linux/futex.h | |
| parent | kasan: Allow kasan_check_read/write() to accept pointers to volatiles (diff) | |
| download | wireguard-linux-bc2eecd7ecce40af43b6eb3d256b6076257df846.tar.xz wireguard-linux-bc2eecd7ecce40af43b6eb3d256b6076257df846.zip | |
futex: Allow for compiling out PI support
This makes it possible to preserve basic futex support and compile out the
PI support when RT mutexes are not available.
Signed-off-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Darren Hart <dvhart@infradead.org>
Link: http://lkml.kernel.org/r/alpine.LFD.2.20.1708010024190.5981@knanqh.ubzr
Diffstat (limited to 'include/linux/futex.h')
| -rw-r--r-- | include/linux/futex.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/include/linux/futex.h b/include/linux/futex.h index 7c5b694864cd..f36bfd26f998 100644 --- a/include/linux/futex.h +++ b/include/linux/futex.h @@ -54,7 +54,6 @@ union futex_key { #ifdef CONFIG_FUTEX extern void exit_robust_list(struct task_struct *curr); -extern void exit_pi_state_list(struct task_struct *curr); #ifdef CONFIG_HAVE_FUTEX_CMPXCHG #define futex_cmpxchg_enabled 1 #else @@ -64,8 +63,14 @@ extern int futex_cmpxchg_enabled; static inline void exit_robust_list(struct task_struct *curr) { } +#endif + +#ifdef CONFIG_FUTEX_PI +extern void exit_pi_state_list(struct task_struct *curr); +#else static inline void exit_pi_state_list(struct task_struct *curr) { } #endif + #endif |