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-rw-r--r--include/linux/syscalls.h21
1 files changed, 4 insertions, 17 deletions
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index 03e3d0121d5e..22bc6bc147f8 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -284,22 +284,6 @@ static inline int is_syscall_trace_event(struct trace_event_call *tp_event)
#endif
/*
- * Called before coming back to user-mode. Returning to user-mode with an
- * address limit different than USER_DS can allow to overwrite kernel memory.
- */
-static inline void addr_limit_user_check(void)
-{
-#ifdef TIF_FSCHECK
- if (!test_thread_flag(TIF_FSCHECK))
- return;
-#endif
-
-#ifdef TIF_FSCHECK
- clear_thread_flag(TIF_FSCHECK);
-#endif
-}
-
-/*
* These syscall function prototypes are kept in the same order as
* include/uapi/asm-generic/unistd.h. Architecture specific entries go below,
* followed by deprecated or obsolete system calls.
@@ -438,8 +422,10 @@ asmlinkage long sys_chdir(const char __user *filename);
asmlinkage long sys_fchdir(unsigned int fd);
asmlinkage long sys_chroot(const char __user *filename);
asmlinkage long sys_fchmod(unsigned int fd, umode_t mode);
-asmlinkage long sys_fchmodat(int dfd, const char __user * filename,
+asmlinkage long sys_fchmodat(int dfd, const char __user *filename,
umode_t mode);
+asmlinkage long sys_fchmodat2(int dfd, const char __user *filename,
+ umode_t mode, unsigned int flags);
asmlinkage long sys_fchownat(int dfd, const char __user *filename, uid_t user,
gid_t group, int flag);
asmlinkage long sys_fchown(unsigned int fd, uid_t user, gid_t group);
@@ -953,6 +939,7 @@ asmlinkage long sys_set_mempolicy_home_node(unsigned long start, unsigned long l
asmlinkage long sys_cachestat(unsigned int fd,
struct cachestat_range __user *cstat_range,
struct cachestat __user *cstat, unsigned int flags);
+asmlinkage long sys_map_shadow_stack(unsigned long addr, unsigned long size, unsigned int flags);
/*
* Architecture-specific system calls