diff options
| author | Sean Paul <seanpaul@chromium.org> | 2017-09-21 14:18:46 -0700 |
|---|---|---|
| committer | Sean Paul <seanpaul@chromium.org> | 2017-09-21 14:18:46 -0700 |
| commit | 1ebfc603d046f1dda6507d11803f9b4046cee712 (patch) | |
| tree | 3be6790f2ce819929b1ccff7993c636e0944705a /include/linux/srcutiny.h | |
| parent | b0e07da3f5c8d069d186a7983ff64eaebf2ea230 (diff) | |
| parent | 4a704d6db0ee4a349d5d523813a718e429b4914d (diff) | |
Merge remote-tracking branch 'origin/master' into drm-misc-fixes
Pick up 4.14-rc1
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Diffstat (limited to 'include/linux/srcutiny.h')
| -rw-r--r-- | include/linux/srcutiny.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/linux/srcutiny.h b/include/linux/srcutiny.h index cfbfc540cafc..261471f407a5 100644 --- a/include/linux/srcutiny.h +++ b/include/linux/srcutiny.h @@ -87,4 +87,17 @@ static inline void srcu_barrier(struct srcu_struct *sp) synchronize_srcu(sp); } +/* Defined here to avoid size increase for non-torture kernels. */ +static inline void srcu_torture_stats_print(struct srcu_struct *sp, + char *tt, char *tf) +{ + int idx; + + idx = READ_ONCE(sp->srcu_idx) & 0x1; + pr_alert("%s%s Tiny SRCU per-CPU(idx=%d): (%hd,%hd)\n", + tt, tf, idx, + READ_ONCE(sp->srcu_lock_nesting[!idx]), + READ_ONCE(sp->srcu_lock_nesting[idx])); +} + #endif |