diff options
Diffstat (limited to 'kernel/kcsan/kcsan.h')
| -rw-r--r-- | kernel/kcsan/kcsan.h | 39 |
1 files changed, 18 insertions, 21 deletions
diff --git a/kernel/kcsan/kcsan.h b/kernel/kcsan/kcsan.h index 9881099d4179..f36e25c497ed 100644 --- a/kernel/kcsan/kcsan.h +++ b/kernel/kcsan/kcsan.h @@ -116,30 +116,27 @@ 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, +/* + * 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); - /* - * 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, -}; +/* + * 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, + u64 old, u64 new, u64 mask); /* - * Print a race report from thread that encountered the race. + * 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". */ -extern void kcsan_report(const volatile void *ptr, size_t size, int access_type, - enum kcsan_value_change value_change, - enum kcsan_report_type type, int watchpoint_idx); +void kcsan_report_unknown_origin(const volatile void *ptr, size_t size, int access_type, + u64 old, u64 new, u64 mask); #endif /* _KERNEL_KCSAN_KCSAN_H */ |