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kprobes: Prevent probes in .noinstr.text section

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Instrumentation is forbidden in the .noinstr.text section. Make kprobes
respect this.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Alexandre Chartre <alexandre.chartre@oracle.com>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Acked-by: Masami Hiramatsu <mhiramat@kernel.org>
Link: https://lkml.kernel.org/r/20200505134100.179862032@linutronix.de
This commit is contained in:
Thomas Gleixner 2020-03-10 14:04:34 +01:00
parent 4e321b7746
commit 66e9b07171
3 changed files with 23 additions and 0 deletions
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2
include/linux/module.h
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@ -458,6 +458,8 @@ struct module {
void __percpu *percpu;
unsigned int percpu_size;
#endif
void *noinstr_text_start;
unsigned int noinstr_text_size;
#ifdef CONFIG_TRACEPOINTS
unsigned int num_tracepoints;