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| author | Ingo Molnar <mingo@kernel.org> | 2018-02-06 21:12:31 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2018-02-06 21:12:31 +0100 |
| commit | 82845079160817cc6ac64e5321bbd935e0a47b3a (patch) | |
| tree | 0886d1d52428e9db14536cae4b37db896e7c360a /include/linux/sched/task.h | |
| parent | 32e839dda3ba576943365f0f5817ce5c843137dc (diff) | |
| parent | 68c5735eaa5e680e701c9a2d1e3c7880bdf5ab66 (diff) | |
| download | linux-stable-82845079160817cc6ac64e5321bbd935e0a47b3a.tar.gz linux-stable-82845079160817cc6ac64e5321bbd935e0a47b3a.tar.bz2 linux-stable-82845079160817cc6ac64e5321bbd935e0a47b3a.zip | |
Merge branch 'linus' into sched/urgent, to resolve conflicts
Conflicts:
arch/arm64/kernel/entry.S
arch/x86/Kconfig
include/linux/sched/mm.h
kernel/fork.c
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/linux/sched/task.h')
| -rw-r--r-- | include/linux/sched/task.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/include/linux/sched/task.h b/include/linux/sched/task.h index 05b8650f06f5..5be31eb7b266 100644 --- a/include/linux/sched/task.h +++ b/include/linux/sched/task.h @@ -104,6 +104,20 @@ extern int arch_task_struct_size __read_mostly; # define arch_task_struct_size (sizeof(struct task_struct)) #endif +#ifndef CONFIG_HAVE_ARCH_THREAD_STRUCT_WHITELIST +/* + * If an architecture has not declared a thread_struct whitelist we + * must assume something there may need to be copied to userspace. + */ +static inline void arch_thread_struct_whitelist(unsigned long *offset, + unsigned long *size) +{ + *offset = 0; + /* Handle dynamically sized thread_struct. */ + *size = arch_task_struct_size - offsetof(struct task_struct, thread); +} +#endif + #ifdef CONFIG_VMAP_STACK static inline struct vm_struct *task_stack_vm_area(const struct task_struct *t) { |