diff options
Diffstat (limited to 'include/linux/thread_info.h')
| -rw-r--r-- | include/linux/thread_info.h | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/include/linux/thread_info.h b/include/linux/thread_info.h index 8d03f079688c..ccc1899bd62e 100644 --- a/include/linux/thread_info.h +++ b/include/linux/thread_info.h @@ -8,6 +8,7 @@ #define _LINUX_THREAD_INFO_H #include <linux/types.h> +#include <linux/bug.h> struct timespec; struct compat_timespec; @@ -54,6 +55,12 @@ extern long do_no_restart_syscall(struct restart_block *parm); #ifdef __KERNEL__ +#ifdef CONFIG_DEBUG_STACK_USAGE +# define THREADINFO_GFP (GFP_KERNEL | __GFP_NOTRACK | __GFP_ZERO) +#else +# define THREADINFO_GFP (GFP_KERNEL | __GFP_NOTRACK) +#endif + /* * flag set/clear/test wrappers * - pass TIF_xxxx constants to these functions @@ -119,10 +126,26 @@ static inline int test_ti_thread_flag(struct thread_info *ti, int flag) static inline void set_restore_sigmask(void) { set_thread_flag(TIF_RESTORE_SIGMASK); - set_thread_flag(TIF_SIGPENDING); + WARN_ON(!test_thread_flag(TIF_SIGPENDING)); +} +static inline void clear_restore_sigmask(void) +{ + clear_thread_flag(TIF_RESTORE_SIGMASK); +} +static inline bool test_restore_sigmask(void) +{ + return test_thread_flag(TIF_RESTORE_SIGMASK); +} +static inline bool test_and_clear_restore_sigmask(void) +{ + return test_and_clear_thread_flag(TIF_RESTORE_SIGMASK); } #endif /* TIF_RESTORE_SIGMASK && !HAVE_SET_RESTORE_SIGMASK */ +#ifndef HAVE_SET_RESTORE_SIGMASK +#error "no set_restore_sigmask() provided and default one won't work" +#endif + #endif /* __KERNEL__ */ #endif /* _LINUX_THREAD_INFO_H */ |