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| author | Masami Hiramatsu <mhiramat@kernel.org> | 2020-03-26 23:50:00 +0900 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2020-05-12 17:15:32 +0200 |
| commit | 16db6264c93d2d7df9eb8be5d9eb717ab30105fe (patch) | |
| tree | 5276739d63b183b27c6b6a6a07af9be91ed4730b /kernel/module.c | |
| parent | 1e6769b0aece51ea7a3dc3117c37d4a5669e4a21 (diff) | |
| download | lwn-16db6264c93d2d7df9eb8be5d9eb717ab30105fe.tar.gz lwn-16db6264c93d2d7df9eb8be5d9eb717ab30105fe.zip | |
kprobes: Support NOKPROBE_SYMBOL() in modules
Support NOKPROBE_SYMBOL() in modules. NOKPROBE_SYMBOL() records only symbol
address in "_kprobe_blacklist" section in the module.
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Alexandre Chartre <alexandre.chartre@oracle.com>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20200505134059.771170126@linutronix.de
Diffstat (limited to 'kernel/module.c')
| -rw-r--r-- | kernel/module.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/module.c b/kernel/module.c index 978f3fa40850..faf733789560 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -3197,6 +3197,9 @@ static int find_module_sections(struct module *mod, struct load_info *info) #ifdef CONFIG_KPROBES mod->kprobes_text_start = section_objs(info, ".kprobes.text", 1, &mod->kprobes_text_size); + mod->kprobe_blacklist = section_objs(info, "_kprobe_blacklist", + sizeof(unsigned long), + &mod->num_kprobe_blacklist); #endif mod->extable = section_objs(info, "__ex_table", sizeof(*mod->extable), &mod->num_exentries); |