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1209140c3c
Rather than blindly re-enabling interrupts in oops_end(), save their state in oope_begin() and then restore that state. Signed-off-by: Jan Beulich <jbeulich@novell.com> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
52 lines
1.2 KiB
C
52 lines
1.2 KiB
C
#ifndef _X86_64_KDEBUG_H
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#define _X86_64_KDEBUG_H 1
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#include <linux/notifier.h>
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struct pt_regs;
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struct die_args {
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struct pt_regs *regs;
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const char *str;
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long err;
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int trapnr;
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int signr;
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};
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/* Note - you should never unregister because that can race with NMIs.
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If you really want to do it first unregister - then synchronize_sched - then free.
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*/
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int register_die_notifier(struct notifier_block *nb);
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extern struct notifier_block *die_chain;
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/* Grossly misnamed. */
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enum die_val {
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DIE_OOPS = 1,
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DIE_INT3,
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DIE_DEBUG,
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DIE_PANIC,
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DIE_NMI,
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DIE_DIE,
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DIE_NMIWATCHDOG,
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DIE_KERNELDEBUG,
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DIE_TRAP,
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DIE_GPF,
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DIE_CALL,
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DIE_NMI_IPI,
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DIE_PAGE_FAULT,
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};
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static inline int notify_die(enum die_val val,char *str,struct pt_regs *regs,long err,int trap, int sig)
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{
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struct die_args args = { .regs=regs, .str=str, .err=err, .trapnr=trap,.signr=sig };
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return notifier_call_chain(&die_chain, val, &args);
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}
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extern int printk_address(unsigned long address);
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extern void die(const char *,struct pt_regs *,long);
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extern void __die(const char *,struct pt_regs *,long);
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extern void show_registers(struct pt_regs *regs);
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extern void dump_pagetable(unsigned long);
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extern unsigned long oops_begin(void);
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extern void oops_end(unsigned long);
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#endif
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