Messages in this thread Patch in this message | | | Date | Mon, 22 Sep 2014 11:51:48 +0800 | From | Zefan Li <> | Subject | [PATCH 2/3] sched: add a macro to define bitops for task atomic flags |
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This will simplify code when we add new flags.
Signed-off-by: Zefan Li <lizefan@huawei.com> --- include/linux/sched.h | 20 +++++++++++--------- 1 file changed, 11 insertions(+), 9 deletions(-)
diff --git a/include/linux/sched.h b/include/linux/sched.h index 4557765..04a2ae2 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1959,15 +1959,17 @@ static inline void memalloc_noio_restore(unsigned int flags) /* Per-process atomic flags. */ #define PFA_NO_NEW_PRIVS 0 /* May not gain new privileges. */ -static inline bool task_no_new_privs(struct task_struct *p) -{ - return test_bit(PFA_NO_NEW_PRIVS, &p->atomic_flags); -} - -static inline void task_set_no_new_privs(struct task_struct *p) -{ - set_bit(PFA_NO_NEW_PRIVS, &p->atomic_flags); -} +#define TASK_PFA_BITOPS(name, func) \ +static inline bool task_##func(struct task_struct *p) \ +{ return test_bit(PFA_##name, &p->atomic_flags); } \ + \ +static inline void task_set_##func(struct task_struct *p) \ +{ set_bit(PFA_##name, &p->atomic_flags); } \ + \ +static inline void task_clear_##func(struct task_struct *p) \ +{ clear_bit(PFA_##name, &p->atomic_flags); } + +TASK_PFA_BITOPS(NO_NEW_PRIVS, no_new_privs) /* * task->jobctl flags -- 1.8.0.2
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