[PATCH] sh: kgdb: Add missing #include <linux/sched.h>

From: Wanlong Gao <redacted>

arch/sh/kernel/kgdb.c: In function 'sleeping_thread_to_gdb_regs':
arch/sh/kernel/kgdb.c:225:32: error: implicit declaration of function 'task_stack_page' [-Werror=implicit-function-declaration]
arch/sh/kernel/kgdb.c:242:23: error: dereferencing pointer to incomplete type
arch/sh/kernel/kgdb.c:243:22: error: dereferencing pointer to incomplete type
arch/sh/kernel/kgdb.c: In function 'singlestep_trap_handler':
arch/sh/kernel/kgdb.c:310:27: error: 'SIGTRAP' undeclared (first use in this function)
arch/sh/kernel/kgdb.c:310:27: note: each undeclared identifier is reported only once for each function it appears in

This is introduced by commit 16559ae48c76f1ceb970b9719dea62b77eb5d06b
("kgdb: remove #include <linux/serial_8250.h> from kgdb.h").

Reported-by: Fengguang Wu <redacted>
Signed-off-by: Wanlong Gao <redacted>
[geert: Reworded and reformatted]
Signed-off-by: Geert Uytterhoeven <redacted>
---
http://kisskb.ellerman.id.au/kisskb/buildresult/10477672/

 arch/sh/kernel/kgdb.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/sh/kernel/kgdb.c b/arch/sh/kernel/kgdb.c
index 38b313909ac9..adad46e41a1d 100644
--- a/arch/sh/kernel/kgdb.c
+++ b/arch/sh/kernel/kgdb.c

@@ -13,6 +13,7 @@
 #include <linux/kdebug.h>
 #include <linux/irq.h>
 #include <linux/io.h>
+#include <linux/sched.h>
 #include <asm/cacheflush.h>
 #include <asm/traps.h>
 

-- 
1.7.9.5