diff options
Diffstat (limited to 'kernel/kcsan/kcsan.h')
| -rw-r--r-- | kernel/kcsan/kcsan.h | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/kernel/kcsan/kcsan.h b/kernel/kcsan/kcsan.h index 50078e7d43c3..83a79b08b550 100644 --- a/kernel/kcsan/kcsan.h +++ b/kernel/kcsan/kcsan.h @@ -88,6 +88,22 @@ extern void kcsan_counter_dec(enum kcsan_counter_id id); */ extern bool kcsan_skip_report_debugfs(unsigned long func_addr); +/* + * Value-change states. + */ +enum kcsan_value_change { + /* + * Did not observe a value-change, however, it is valid to report the + * race, depending on preferences. + */ + KCSAN_VALUE_CHANGE_MAYBE, + + /* + * The value was observed to change, and the race should be reported. + */ + KCSAN_VALUE_CHANGE_TRUE, +}; + enum kcsan_report_type { /* * The thread that set up the watchpoint and briefly stalled was @@ -111,6 +127,7 @@ enum kcsan_report_type { * Print a race report from thread that encountered the race. */ extern void kcsan_report(const volatile void *ptr, size_t size, int access_type, - bool value_change, int cpu_id, enum kcsan_report_type type); + enum kcsan_value_change value_change, int cpu_id, + enum kcsan_report_type type); #endif /* _KERNEL_KCSAN_KCSAN_H */ |