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kprobes: Support NOKPROBE_SYMBOL() in modules

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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
This commit is contained in:
Masami Hiramatsu 2020-03-26 23:50:00 +09:00 • committed by Thomas Gleixner
parent 1e6769b0ae
commit 16db6264c9
3 changed files with 22 additions and 0 deletions
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2
include/linux/module.h
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@ -492,6 +492,8 @@ struct module {
#ifdef CONFIG_KPROBES
void *kprobes_text_start;
unsigned int kprobes_text_size;
unsigned long *kprobe_blacklist;
unsigned int num_kprobe_blacklist;
#endif
#ifdef CONFIG_LIVEPATCH