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| author | Len Brown <len.brown@intel.com> | 2009-09-19 00:11:26 -0400 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2009-09-19 00:11:26 -0400 |
| commit | c602c65b2f81d14456771d1e3f15d1381f4b7efa (patch) | |
| tree | f1f833c8dd6c1519eeb101be32f7fe54a9605af5 /kernel/module.c | |
| parent | 3834f47291df475be3f0f0fb7ccaa098967cc054 (diff) | |
| parent | 78f28b7c555359c67c2a0d23f7436e915329421e (diff) | |
| download | op-kernel-dev-c602c65b2f81d14456771d1e3f15d1381f4b7efa.zip op-kernel-dev-c602c65b2f81d14456771d1e3f15d1381f4b7efa.tar.gz | |
Merge branch 'linus' into sfi-release
Conflicts:
arch/x86/kernel/setup.c
drivers/acpi/power.c
init/main.c
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'kernel/module.c')
| -rw-r--r-- | kernel/module.c | 24 |
1 files changed, 19 insertions, 5 deletions
diff --git a/kernel/module.c b/kernel/module.c index eccb561..05ce49c 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -55,6 +55,11 @@ #include <linux/percpu.h> #include <linux/kmemleak.h> +#define CREATE_TRACE_POINTS +#include <trace/events/module.h> + +EXPORT_TRACEPOINT_SYMBOL(module_get); + #if 0 #define DEBUGP printk #else @@ -364,7 +369,7 @@ EXPORT_SYMBOL_GPL(find_module); #ifdef CONFIG_SMP -#ifdef CONFIG_HAVE_DYNAMIC_PER_CPU_AREA +#ifndef CONFIG_HAVE_LEGACY_PER_CPU_AREA static void *percpu_modalloc(unsigned long size, unsigned long align, const char *name) @@ -389,7 +394,7 @@ static void percpu_modfree(void *freeme) free_percpu(freeme); } -#else /* ... !CONFIG_HAVE_DYNAMIC_PER_CPU_AREA */ +#else /* ... CONFIG_HAVE_LEGACY_PER_CPU_AREA */ /* Number of blocks used and allocated. */ static unsigned int pcpu_num_used, pcpu_num_allocated; @@ -535,7 +540,7 @@ static int percpu_modinit(void) } __initcall(percpu_modinit); -#endif /* CONFIG_HAVE_DYNAMIC_PER_CPU_AREA */ +#endif /* CONFIG_HAVE_LEGACY_PER_CPU_AREA */ static unsigned int find_pcpusec(Elf_Ehdr *hdr, Elf_Shdr *sechdrs, @@ -942,6 +947,8 @@ void module_put(struct module *module) if (module) { unsigned int cpu = get_cpu(); local_dec(__module_ref_addr(module, cpu)); + trace_module_put(module, _RET_IP_, + local_read(__module_ref_addr(module, cpu))); /* Maybe they're waiting for us to drop reference? */ if (unlikely(!module_is_live(module))) wake_up_process(module->waiter); @@ -1274,6 +1281,10 @@ static void add_notes_attrs(struct module *mod, unsigned int nsect, struct module_notes_attrs *notes_attrs; struct bin_attribute *nattr; + /* failed to create section attributes, so can't create notes */ + if (!mod->sect_attrs) + return; + /* Count notes sections and allocate structures. */ notes = 0; for (i = 0; i < nsect; i++) @@ -1493,6 +1504,8 @@ static int __unlink_module(void *_mod) /* Free a module, remove from lists, etc (must hold module_mutex). */ static void free_module(struct module *mod) { + trace_module_free(mod); + /* Delete from various lists */ stop_machine(__unlink_module, mod, NULL); remove_notes_attrs(mod); @@ -2355,12 +2368,13 @@ static noinline struct module *load_module(void __user *umod, if (err < 0) goto unlink; add_sect_attrs(mod, hdr->e_shnum, secstrings, sechdrs); - if (mod->sect_attrs) - add_notes_attrs(mod, hdr->e_shnum, secstrings, sechdrs); + add_notes_attrs(mod, hdr->e_shnum, secstrings, sechdrs); /* Get rid of temporary copy */ vfree(hdr); + trace_module_load(mod); + /* Done! */ return mod; |
