diff options
Diffstat (limited to 'kernel/kcsan/kcsan.h')
| -rw-r--r-- | kernel/kcsan/kcsan.h | 33 |
1 files changed, 13 insertions, 20 deletions
diff --git a/kernel/kcsan/kcsan.h b/kernel/kcsan/kcsan.h index 2ee43fd5d6a4..572f119a19eb 100644 --- a/kernel/kcsan/kcsan.h +++ b/kernel/kcsan/kcsan.h @@ -116,32 +116,25 @@ enum kcsan_value_change { KCSAN_VALUE_CHANGE_TRUE, }; -enum kcsan_report_type { - /* - * The thread that set up the watchpoint and briefly stalled was - * signalled that another thread triggered the watchpoint. - */ - KCSAN_REPORT_RACE_SIGNAL, - - /* - * A thread found and consumed a matching watchpoint. - */ - KCSAN_REPORT_CONSUMED_WATCHPOINT, - - /* - * No other thread was observed to race with the access, but the data - * value before and after the stall differs. - */ - KCSAN_REPORT_RACE_UNKNOWN_ORIGIN, -}; - /* - * Notify the report code that a race occurred. + * The calling thread hit and consumed a watchpoint: set the access information + * to be consumed by the reporting thread. No report is printed yet. */ void kcsan_report_set_info(const volatile void *ptr, size_t size, int access_type, int watchpoint_idx); + +/* + * The calling thread observed that the watchpoint it set up was hit and + * consumed: print the full report based on information set by the racing + * thread. + */ void kcsan_report_known_origin(const volatile void *ptr, size_t size, int access_type, enum kcsan_value_change value_change, int watchpoint_idx); + +/* + * No other thread was observed to race with the access, but the data value + * before and after the stall differs. Reports a race of "unknown origin". + */ void kcsan_report_unknown_origin(const volatile void *ptr, size_t size, int access_type); #endif /* _KERNEL_KCSAN_KCSAN_H */ |