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Commit b118ca57 authored by Paul Mundt's avatar Paul Mundt
Browse files

sh: Convert to common die chain. 



This went in immediately after SH added the die chain notifiers,
so move over to that instead..

Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent 21ec4c64

arch/sh/kernel/process.c

+3 −3
Original line number Diff line number Diff line
@@ -15,7 +15,7 @@ 
#include <linux/pm.h>

#include <linux/kallsyms.h>

#include <linux/kexec.h>

#include <asm/kdebug.h>

#include <linux/kdebug.h>

#include <asm/uaccess.h>

#include <asm/mmu_context.h>

#include <asm/pgalloc.h>
@@ -500,7 +500,7 @@ asmlinkage void debug_trap_handler(unsigned long r4, unsigned long r5, 
	/* Rewind */

	regs->pc -= instruction_size(ctrl_inw(regs->pc - 4));



	if (notify_die(DIE_TRAP, regs, regs->tra & 0xff,

	if (notify_die(DIE_TRAP, "debug trap", regs, 0, regs->tra & 0xff,

		       SIGTRAP) == NOTIFY_STOP)

		return;
@@ -519,7 +519,7 @@ asmlinkage void bug_trap_handler(unsigned long r4, unsigned long r5, 
	/* Rewind */

	regs->pc -= instruction_size(ctrl_inw(regs->pc - 4));



	if (notify_die(DIE_TRAP, regs, TRAPA_BUG_OPCODE & 0xff,

	if (notify_die(DIE_TRAP, "bug trap", regs, 0, TRAPA_BUG_OPCODE & 0xff,

		       SIGTRAP) == NOTIFY_STOP)

		return;

arch/sh/kernel/traps.c

+1 −15
Original line number Diff line number Diff line
@@ -20,10 +20,10 @@ 
#include <linux/io.h>

#include <linux/bug.h>

#include <linux/debug_locks.h>

#include <linux/kdebug.h>

#include <linux/limits.h>

#include <asm/system.h>

#include <asm/uaccess.h>

#include <asm/kdebug.h>



#ifdef CONFIG_SH_KGDB

#include <asm/kgdb.h>
@@ -76,20 +76,6 @@ static void dump_mem(const char *str, unsigned long bottom, unsigned long top) 
	}

}



ATOMIC_NOTIFIER_HEAD(shdie_chain);



int register_die_notifier(struct notifier_block *nb)

{

	return atomic_notifier_chain_register(&shdie_chain, nb);

}

EXPORT_SYMBOL(register_die_notifier);



int unregister_die_notifier(struct notifier_block *nb)

{

	return atomic_notifier_chain_unregister(&shdie_chain, nb);

}

EXPORT_SYMBOL(unregister_die_notifier);



static DEFINE_SPINLOCK(die_lock);



void die(const char * str, struct pt_regs * regs, long err)

arch/sh/mm/fault.c

+1 −1
Original line number Diff line number Diff line
@@ -15,7 +15,7 @@ 
#include <linux/mm.h>

#include <linux/hardirq.h>

#include <linux/kprobes.h>

#include <asm/kdebug.h>

#include <linux/kdebug.h>

#include <asm/system.h>

#include <asm/mmu_context.h>

#include <asm/tlbflush.h>

include/asm-sh/kdebug.h

+2 −23
Original line number Diff line number Diff line
@@ -2,20 +2,6 @@ 
#define __ASM_SH_KDEBUG_H



#include <linux/notifier.h>

#include <asm-generic/kdebug.h>



struct pt_regs;



struct die_args {

	struct pt_regs *regs;

	int trapnr;

};



int register_die_notifier(struct notifier_block *nb);

int unregister_die_notifier(struct notifier_block *nb);

int register_page_fault_notifier(struct notifier_block *nb);

int unregister_page_fault_notifier(struct notifier_block *nb);

extern struct atomic_notifier_head shdie_chain;



/* Grossly misnamed. */

enum die_val {
@@ -23,14 +9,7 @@ enum die_val { 
	DIE_PAGE_FAULT,

};



static inline int notify_die(enum die_val val, struct pt_regs *regs,

			     int trap, int sig)

{

	struct die_args args = {

		.regs = regs,

		.trapnr = trap,

	};

int register_page_fault_notifier(struct notifier_block *nb);

int unregister_page_fault_notifier(struct notifier_block *nb);



	return atomic_notifier_call_chain(&shdie_chain, val, &args);

}

#endif /* __ASM_SH_KDEBUG_H */