[MIPS] Move die and die_if_kernel() from system.h to ptrace.h

This eleminates the need to include ptrace.h into system.h and fixes a
harmless namespace conflict on the PC symbol in bpck.c.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 8 insertions, 0 deletions

diff --git a/include/asm-mips/ptrace.h b/include/asm-mips/ptrace.h
index 30bf555faeaa..8a1f2b6f04ac 100644
--- a/include/asm-mips/ptrace.h
+++ b/include/asm-mips/ptrace.h
@@ -82,6 +82,14 @@ struct pt_regs {
 
 extern asmlinkage void do_syscall_trace(struct pt_regs *regs, int entryexit);
 
+extern NORET_TYPE void die(const char *, struct pt_regs *);
+
+static inline void die_if_kernel(const char *str, struct pt_regs *regs)
+{
+        if (unlikely(!user_mode(regs)))
+                die(str, regs);
+}
+
 #endif
 
 #endif /* _ASM_PTRACE_H */