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Remove remaining unwinder code

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Signed-off-by: Alexey 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: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Alexey Dobriyan 2009-01-06 14:40:45 -08:00 • committed by Linus Torvalds
parent eaccbfa564
commit f1883f86de
7 changed files with 0 additions and 105 deletions
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15
kernel/module.c
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@ -43,7 +43,6 @@
#include <linux/device.h>
#include <linux/string.h>
#include <linux/mutex.h>
#include <linux/unwind.h>
#include <linux/rculist.h>
#include <asm/uaccess.h>
#include <asm/cacheflush.h>
@ -1449,8 +1448,6 @@ static void free_module(struct module *mod)
remove_sect_attrs(mod);
mod_kobject_remove(mod);
unwind_remove_table(mod->unwind_info, 0);
/* Arch-specific cleanup. */
module_arch_cleanup(mod);
@ -1867,7 +1864,6 @@ static noinline struct module *load_module(void __user *umod,
unsigned int symindex = 0;
unsigned int strindex = 0;
unsigned int modindex, versindex, infoindex, pcpuindex;
unsigned int unwindex = 0;
unsigned int num_kp, num_mcount;
struct kernel_param *kp;
struct module *mod;
@ -1957,9 +1953,6 @@ static noinline struct module *load_module(void __user *umod,
versindex = find_sec(hdr, sechdrs, secstrings, "__versions");
infoindex = find_sec(hdr, sechdrs, secstrings, ".modinfo");
pcpuindex = find_pcpusec(hdr, sechdrs, secstrings);
#ifdef ARCH_UNWIND_SECTION_NAME
unwindex = find_sec(hdr, sechdrs, secstrings, ARCH_UNWIND_SECTION_NAME);
#endif
/* Don't keep modinfo and version sections. */
sechdrs[infoindex].sh_flags &= ~(unsigned long)SHF_ALLOC;
@ -1969,8 +1962,6 @@ static noinline struct module *load_module(void __user *umod,
sechdrs[symindex].sh_flags |= SHF_ALLOC;
sechdrs[strindex].sh_flags |= SHF_ALLOC;
#endif
if (unwindex)
sechdrs[unwindex].sh_flags |= SHF_ALLOC;
/* Check module struct version now, before we try to use module. */
if (!check_modstruct_version(sechdrs, versindex, mod)) {
@ -2267,11 +2258,6 @@ static noinline struct module *load_module(void __user *umod,
add_sect_attrs(mod, hdr->e_shnum, secstrings, sechdrs);
add_notes_attrs(mod, hdr->e_shnum, secstrings, sechdrs);
/* Size of section 0 is 0, so this works well if no unwind info. */
mod->unwind_info = unwind_add_table(mod,
(void *)sechdrs[unwindex].sh_addr,
sechdrs[unwindex].sh_size);
/* Get rid of temporary copy */
vfree(hdr);
@ -2370,7 +2356,6 @@ sys_init_module(void __user *umod,
mutex_lock(&module_mutex);
/* Drop initial reference. */
module_put(mod);
unwind_remove_table(mod->unwind_info, 1);
module_free(mod, mod->module_init);
mod->module_init = NULL;
mod->init_size = 0;