Remove remaining unwinder code

[safe/jmp/linux-2.6] / kernel / module.c

diff --git a/kernel/module.c b/kernel/module.c
index f47cce9..34b56cf 100644 (file)
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -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;