Return to kprobes.h CVS log

Up to [Development] / linux-2.6-xfs / include / asm-s390

Update 2.6.x-xfs to 2.6.23-rc4.

Also update fs/xfs with external mainline changes.
There were 12 such missing commits that I detected:

--------
commit ad690ef9e690f6c31f7d310b09ef1314bcec9033
Author: Al Viro <viro@ftp.linux.org.uk>
    xfs ioctl __user annotations

commit 20c2df83d25c6a95affe6157a4c9cac4cf5ffaac
Author: Paul Mundt <lethal@linux-sh.org>
    mm: Remove slab destructors from kmem_cache_create().

commit d0217ac04ca6591841e5665f518e38064f4e65bd
Author: Nick Piggin <npiggin@suse.de>
    mm: fault feedback #1

commit 54cb8821de07f2ffcd28c380ce9b93d5784b40d7
Author: Nick Piggin <npiggin@suse.de>
    mm: merge populate and nopage into fault (fixes nonlinear)

commit d00806b183152af6d24f46f0c33f14162ca1262a
Author: Nick Piggin <npiggin@suse.de>
    mm: fix fault vs invalidate race for linear mappings

commit a569425512253992cc64ebf8b6d00a62f986db3e
Author: Christoph Hellwig <hch@infradead.org>
    knfsd: exportfs: add exportfs.h header

commit 831441862956fffa17b9801db37e6ea1650b0f69
Author: Rafael J. Wysocki <rjw@sisk.pl>
    Freezer: make kernel threads nonfreezable by default

commit 8e1f936b73150f5095448a0fee6d4f30a1f9001d
Author: Rusty Russell <rusty@rustcorp.com.au>
    mm: clean up and kernelify shrinker registration

commit 5ffc4ef45b3b0a57872f631b4e4ceb8ace0d7496
Author: Jens Axboe <jens.axboe@oracle.com>
    sendfile: remove .sendfile from filesystems that use generic_file_sendfile()

commit 8bb7844286fb8c9fce6f65d8288aeb09d03a5e0d
Author: Rafael J. Wysocki <rjw@sisk.pl>
    Add suspend-related notifications for CPU hotplug

commit 59c51591a0ac7568824f541f57de967e88adaa07
Author: Michael Opdenacker <michael@free-electrons.com>
    Fix occurrences of "the the "

commit 0ceb331433e8aad9c5f441a965d7c681f8b9046f
Author: Dmitriy Monakhov <dmonakhov@openvz.org>
    mm: move common segment checks to separate helper function
--------
Merge of 2.6.x-xfs-melb:linux:29656b by kenmcd.

#ifndef _ASM_S390_KPROBES_H
#define _ASM_S390_KPROBES_H
/*
 *  Kernel Probes (KProbes)
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 *
 * Copyright (C) IBM Corporation, 2002, 2006
 *
 * 2002-Oct	Created by Vamsi Krishna S <vamsi_krishna@in.ibm.com> Kernel
 *		Probes initial implementation ( includes suggestions from
 *		Rusty Russell).
 * 2004-Nov	Modified for PPC64 by Ananth N Mavinakayanahalli
 *		<ananth@in.ibm.com>
 * 2005-Dec	Used as a template for s390 by Mike Grundy
 *		<grundym@us.ibm.com>
 */
#include <linux/types.h>
#include <linux/ptrace.h>
#include <linux/percpu.h>

#define  __ARCH_WANT_KPROBES_INSN_SLOT
struct pt_regs;
struct kprobe;

typedef u16 kprobe_opcode_t;
#define BREAKPOINT_INSTRUCTION	0x0002

/* Maximum instruction size is 3 (16bit) halfwords: */
#define MAX_INSN_SIZE		0x0003
#define MAX_STACK_SIZE		64
#define MIN_STACK_SIZE(ADDR) (((MAX_STACK_SIZE) < \
	(((unsigned long)current_thread_info()) + THREAD_SIZE - (ADDR))) \
	? (MAX_STACK_SIZE) \
	: (((unsigned long)current_thread_info()) + THREAD_SIZE - (ADDR)))

#define ARCH_SUPPORTS_KRETPROBES
#define ARCH_INACTIVE_KPROBE_COUNT 0

#define KPROBE_SWAP_INST	0x10

#define FIXUP_PSW_NORMAL	0x08
#define FIXUP_BRANCH_NOT_TAKEN	0x04
#define FIXUP_RETURN_REGISTER	0x02
#define FIXUP_NOT_REQUIRED	0x01

/* Architecture specific copy of original instruction */
struct arch_specific_insn {
	/* copy of original instruction */
	kprobe_opcode_t *insn;
	int fixup;
	int ilen;
	int reg;
};

struct ins_replace_args {
	kprobe_opcode_t *ptr;
	kprobe_opcode_t old;
	kprobe_opcode_t new;
};
struct prev_kprobe {
	struct kprobe *kp;
	unsigned long status;
	unsigned long saved_psw;
	unsigned long kprobe_saved_imask;
	unsigned long kprobe_saved_ctl[3];
};

/* per-cpu kprobe control block */
struct kprobe_ctlblk {
	unsigned long kprobe_status;
	unsigned long kprobe_saved_imask;
	unsigned long kprobe_saved_ctl[3];
	struct pt_regs jprobe_saved_regs;
	unsigned long jprobe_saved_r14;
	unsigned long jprobe_saved_r15;
	struct prev_kprobe prev_kprobe;
	kprobe_opcode_t jprobes_stack[MAX_STACK_SIZE];
};

void arch_remove_kprobe(struct kprobe *p);
void kretprobe_trampoline(void);
int  is_prohibited_opcode(kprobe_opcode_t *instruction);
void get_instruction_type(struct arch_specific_insn *ainsn);

int kprobe_fault_handler(struct pt_regs *regs, int trapnr);
int kprobe_exceptions_notify(struct notifier_block *self,
	unsigned long val, void *data);

#define flush_insn_slot(p)	do { } while (0)

#endif	/* _ASM_S390_KPROBES_H */