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kprobes: Support __kprobes blacklist in modules

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Support __kprobes attribute for blacklist functions in modules.  The
__kprobes attribute functions are stored in .kprobes.text section.

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/20200505134059.678201813@linutronix.de
This commit is contained in:
Masami Hiramatsu
2020-03-26 23:49:48 +09:00
committed by Thomas Gleixner
parent 4fdd88877e
commit 1e6769b0ae
3 changed files with 50 additions and 0 deletions
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4
include/linux/module.h
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@@ -489,6 +489,10 @@ struct module {
unsigned int num_ftrace_callsites;
unsigned long *ftrace_callsites;
#endif
#ifdef CONFIG_KPROBES
void *kprobes_text_start;
unsigned int kprobes_text_size;
#endif
#ifdef CONFIG_LIVEPATCH
bool klp; /* Is this a livepatch module? */