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| author | Al Viro <viro@zeniv.linux.org.uk> | 2012-11-20 23:24:26 +0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2012-12-20 03:07:41 +0400 |
| commit | c40702c49faef05ae324f121d8b3e215244ee152 (patch) | |
| tree | b0b2a51b07e944497da5cb48fb461963a3762cad /include/linux | |
| parent | 9026843952adac5b123c7b8dc961e5c15828d9e1 (diff) | |
| download | linux-c40702c49faef05ae324f121d8b3e215244ee152.tar.xz | |
new helpers: __save_altstack/__compat_save_altstack, switch x86 and um to those
note that they are relying on access_ok() already checked by caller.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/compat.h | 1 | ||||
| -rw-r--r-- | include/linux/signal.h | 1 |
2 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/compat.h b/include/linux/compat.h index cb5637e2ee2c..334813307ec1 100644 --- a/include/linux/compat.h +++ b/include/linux/compat.h @@ -647,6 +647,7 @@ asmlinkage long compat_sys_sigaltstack(const compat_stack_t __user *uss_ptr, compat_stack_t __user *uoss_ptr); int compat_restore_altstack(const compat_stack_t __user *uss); +int __compat_save_altstack(compat_stack_t __user *, unsigned long); #endif #else diff --git a/include/linux/signal.h b/include/linux/signal.h index 5969522136fe..0a89ffc48466 100644 --- a/include/linux/signal.h +++ b/include/linux/signal.h @@ -386,5 +386,6 @@ int unhandled_signal(struct task_struct *tsk, int sig); void signals_init(void); int restore_altstack(const stack_t __user *); +int __save_altstack(stack_t __user *, unsigned long); #endif /* _LINUX_SIGNAL_H */ |