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Commit f1883f86 authored by Alexey Dobriyan's avatar Alexey Dobriyan Committed by Linus Torvalds
Browse files

Remove remaining unwinder code 



Signed-off-by: default avatarAlexey Dobriyan <adobriyan@gmail.com>
Cc: Gabor Gombas <gombasg@sztaki.hu>
Cc: Jan Beulich <jbeulich@novell.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Ingo Molnar <mingo@elte.hu>,
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent eaccbfa5

arch/x86/include/asm/unwind.h

deleted100644 → 0
+0 −13
Original line number Diff line number Diff line 
#ifndef _ASM_X86_UNWIND_H

#define _ASM_X86_UNWIND_H



#define UNW_PC(frame) ((void)(frame), 0UL)

#define UNW_SP(frame) ((void)(frame), 0UL)

#define UNW_FP(frame) ((void)(frame), 0UL)



static inline int arch_unw_user_mode(const void *info)

{

	return 0;

}



#endif /* _ASM_X86_UNWIND_H */

arch/x86/kernel/traps.c

+0 −2
Original line number Diff line number Diff line
@@ -20,7 +20,6 @@ 
#include <linux/module.h>

#include <linux/ptrace.h>

#include <linux/string.h>

#include <linux/unwind.h>

#include <linux/delay.h>

#include <linux/errno.h>

#include <linux/kexec.h>
@@ -51,7 +50,6 @@ 
#include <asm/debugreg.h>

#include <asm/atomic.h>

#include <asm/system.h>

#include <asm/unwind.h>

#include <asm/traps.h>

#include <asm/desc.h>

#include <asm/i387.h>

include/linux/module.h

+0 −3
Original line number Diff line number Diff line
@@ -294,9 +294,6 @@ struct module 
	/* The size of the executable code in each section.  */

	unsigned int init_text_size, core_text_size;



	/* The handle returned from unwind_add_table. */

	void *unwind_info;



	/* Arch-specific module values */

	struct mod_arch_specific arch;

include/linux/unwind.h

deleted100644 → 0
+0 −68
Original line number Diff line number Diff line 
#ifndef _LINUX_UNWIND_H

#define _LINUX_UNWIND_H



/*

 * Copyright (C) 2002-2006 Novell, Inc.

 *	Jan Beulich <jbeulich@novell.com>

 * This code is released under version 2 of the GNU GPL.

 *

 * A simple API for unwinding kernel stacks.  This is used for

 * debugging and error reporting purposes.  The kernel doesn't need

 * full-blown stack unwinding with all the bells and whistles, so there

 * is not much point in implementing the full Dwarf2 unwind API.

 */



struct module;



struct unwind_frame_info {};



static inline void unwind_init(void) {}

static inline void unwind_setup(void) {}



#ifdef CONFIG_MODULES



static inline void *unwind_add_table(struct module *mod,

                                     const void *table_start,

                                     unsigned long table_size)

{

	return NULL;

}



static inline void unwind_remove_table(void *handle, int init_only)

{

}



#endif



static inline int unwind_init_frame_info(struct unwind_frame_info *info,

                                         struct task_struct *tsk,

                                         const struct pt_regs *regs)

{

	return -ENOSYS;

}



static inline int unwind_init_blocked(struct unwind_frame_info *info,

                                      struct task_struct *tsk)

{

	return -ENOSYS;

}



static inline int unwind_init_running(struct unwind_frame_info *info,

                                      asmlinkage int (*cb)(struct unwind_frame_info *,

                                                           void *arg),

                                      void *arg)

{

	return -ENOSYS;

}



static inline int unwind(struct unwind_frame_info *info)

{

	return -ENOSYS;

}



static inline int unwind_to_user(struct unwind_frame_info *info)

{

	return -ENOSYS;

}



#endif /* _LINUX_UNWIND_H */

init/main.c

+0 −3
Original line number Diff line number Diff line
@@ -50,7 +50,6 @@ 
#include <linux/rmap.h>

#include <linux/mempolicy.h>

#include <linux/key.h>

#include <linux/unwind.h>

#include <linux/buffer_head.h>

#include <linux/page_cgroup.h>

#include <linux/debug_locks.h>
@@ -537,7 +536,6 @@ asmlinkage void __init start_kernel(void) 
	 * Need to run as early as possible, to initialize the

	 * lockdep hash:

	 */

	unwind_init();

	lockdep_init();

	debug_objects_early_init();

	cgroup_init_early();
@@ -559,7 +557,6 @@ asmlinkage void __init start_kernel(void) 
	setup_arch(&command_line);

	mm_init_owner(&init_mm, &init_task);

	setup_command_line(command_line);

	unwind_setup();

	setup_per_cpu_areas();

	setup_nr_cpu_ids();

	smp_prepare_boot_cpu();	/* arch-specific boot-cpu hooks */