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| author | Ingo Molnar <mingo@kernel.org> | 2017-11-02 10:57:24 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-11-02 10:57:24 +0100 |
| commit | 3357b0d3c7323d73806571192e9f633bb6ba3d54 (patch) | |
| tree | a92fb225bfdda901783ad662a1fea0baddfb81e1 /include/linux/sched/mm.h | |
| parent | 82c62fa0c49aa305104013cee4468772799bb391 (diff) | |
| parent | e27c310af5c05cf876d9cad006928076c27f54d4 (diff) | |
| download | linux-3357b0d3c7323d73806571192e9f633bb6ba3d54.tar.gz linux-3357b0d3c7323d73806571192e9f633bb6ba3d54.tar.xz | |
Merge branch 'x86/mpx/prep' into x86/asm
Pick up some of the MPX commits that modify the syscall entry code,
to have a common base and to reduce conflicts.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/linux/sched/mm.h')
| -rw-r--r-- | include/linux/sched/mm.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/include/linux/sched/mm.h b/include/linux/sched/mm.h index ae53e413fb13..ab9bf7b73954 100644 --- a/include/linux/sched/mm.h +++ b/include/linux/sched/mm.h @@ -211,4 +211,20 @@ static inline void memalloc_noreclaim_restore(unsigned int flags) current->flags = (current->flags & ~PF_MEMALLOC) | flags; } +#ifdef CONFIG_MEMBARRIER +enum { + MEMBARRIER_STATE_PRIVATE_EXPEDITED_READY = (1U << 0), + MEMBARRIER_STATE_SWITCH_MM = (1U << 1), +}; + +static inline void membarrier_execve(struct task_struct *t) +{ + atomic_set(&t->mm->membarrier_state, 0); +} +#else +static inline void membarrier_execve(struct task_struct *t) +{ +} +#endif + #endif /* _LINUX_SCHED_MM_H */ |