Message ID | 20250108090457.512198-6-bigeasy@linutronix.de (mailing list archive) |
---|---|
State | Accepted |
Headers | show |
Series | module: Use RCU instead of RCU-sched. | expand |
Context | Check | Description |
---|---|---|
mcgrof/vmtest-modules-next-VM_Test-0 | success | Logs for Run CI tests |
mcgrof/vmtest-modules-next-VM_Test-1 | success | Logs for Run CI tests |
mcgrof/vmtest-modules-next-VM_Test-4 | fail | Logs for setup / Setup kdevops environment |
mcgrof/vmtest-modules-next-VM_Test-5 | fail | Logs for setup / Setup kdevops environment |
mcgrof/vmtest-modules-next-PR | fail | PR summary |
mcgrof/vmtest-modules-next-VM_Test-3 | success | Logs for cleanup / Archive results and cleanup |
mcgrof/vmtest-modules-next-VM_Test-2 | success | Logs for cleanup / Archive results and cleanup |
diff --git a/kernel/module/kallsyms.c b/kernel/module/kallsyms.c index 3f59d04795572..4eef518204eb5 100644 --- a/kernel/module/kallsyms.c +++ b/kernel/module/kallsyms.c @@ -381,13 +381,13 @@ int module_get_kallsym(unsigned int symnum, unsigned long *value, char *type, { struct module *mod; - preempt_disable(); + guard(rcu)(); list_for_each_entry_rcu(mod, &modules, list) { struct mod_kallsyms *kallsyms; if (mod->state == MODULE_STATE_UNFORMED) continue; - kallsyms = rcu_dereference_sched(mod->kallsyms); + kallsyms = rcu_dereference(mod->kallsyms); if (symnum < kallsyms->num_symtab) { const Elf_Sym *sym = &kallsyms->symtab[symnum]; @@ -396,12 +396,10 @@ int module_get_kallsym(unsigned int symnum, unsigned long *value, char *type, strscpy(name, kallsyms_symbol_name(kallsyms, symnum), KSYM_NAME_LEN); strscpy(module_name, mod->name, MODULE_NAME_LEN); *exported = is_exported(name, *value, mod); - preempt_enable(); return 0; } symnum -= kallsyms->num_symtab; } - preempt_enable(); return -ERANGE; }