[patch 6/6] Add oops_enter()/oops_exit() calls to die().

Martin Schwidefsky
2007-06-19T08:47:21Z

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From: Heiko Carstens <heiko.carstens@de.ibm.com>

This is mainly to switch off all potentially debugging stuff that
won't report anything useful after an oops happened.
Besided that setting pause_on_oops will work too, but doesn't make
too much sense on s390.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---

include/asm-s390/processor.h | 5 +++++
include/asm-s390/ptrace.h | 9 +--------
2 files changed, 6 insertions(+), 8 deletions(-)

Index: quilt-2.6/include/asm-s390/processor.h
===================================================================
--- quilt-2.6.orig/include/asm-s390/processor.h
+++ quilt-2.6/include/asm-s390/processor.h
@@ -216,6 +216,11 @@ static inline void cpu_relax(void)
barrier();
}

+static inline void psw_set_key(unsigned int key)
+{
+ asm volatile("spka 0(%0)" : : "d" (key));
+}
+
/*
* Set PSW to specified value.
*/
Index: quilt-2.6/include/asm-s390/ptrace.h
===================================================================
--- quilt-2.6.orig/include/asm-s390/ptrace.h
+++ quilt-2.6/include/asm-s390/ptrace.h
@@ -470,14 +470,7 @@ struct user_regs_struct
#define regs_return_value(regs)((regs)->gprs[2])
#define profile_pc(regs) instruction_pointer(regs)
extern void show_regs(struct pt_regs * regs);
-#endif
-
-static inline void
-psw_set_key(unsigned int key)
-{
- asm volatile("spka 0(%0)" : : "d" (key));
-}
-
+#endif /* __KERNEL__ */
#endif /* __ASSEMBLY__ */

#endif /* _S390_PTRACE_H */