9caebec7b8
Avoid the costly notifier list in the pagefault path and call the kprobes code directly. The same change went into the 2.6.22 cycle for powerpc, 2s390 and sparc64 already. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
36 lines
980 B
C
36 lines
980 B
C
/*
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* Kernel Probes (KProbes)
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*
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* Copyright (C) 2005-2006 Atmel Corporation
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* Copyright (C) IBM Corporation, 2002, 2004
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef __ASM_AVR32_KPROBES_H
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#define __ASM_AVR32_KPROBES_H
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#include <linux/types.h>
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typedef u16 kprobe_opcode_t;
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#define BREAKPOINT_INSTRUCTION 0xd673 /* breakpoint */
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#define MAX_INSN_SIZE 2
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#define ARCH_INACTIVE_KPROBE_COUNT 1
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#define arch_remove_kprobe(p) do { } while (0)
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/* Architecture specific copy of original instruction */
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struct arch_specific_insn {
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kprobe_opcode_t insn[MAX_INSN_SIZE];
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};
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extern int kprobe_fault_handler(struct pt_regs *regs, int trapnr);
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extern int kprobe_exceptions_notify(struct notifier_block *self,
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unsigned long val, void *data);
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#define flush_insn_slot(p) do { } while (0)
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#endif /* __ASM_AVR32_KPROBES_H */
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