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| author | James Morris <james.l.morris@oracle.com> | 2017-11-29 04:47:41 +0300 |
|---|---|---|
| committer | James Morris <james.l.morris@oracle.com> | 2017-11-29 04:47:41 +0300 |
| commit | cf40a76e7d5874bb25f4404eecc58a2e033af885 (patch) | |
| tree | 8fd81cbea03c87b3d41d7ae5b1d11eadd35d6ef5 /include/linux/srcutiny.h | |
| parent | ab5348c9c23cd253f5902980d2d8fe067dc24c82 (diff) | |
| parent | 4fbd8d194f06c8a3fd2af1ce560ddb31f7ec8323 (diff) | |
| download | linux-cf40a76e7d5874bb25f4404eecc58a2e033af885.tar.xz | |
Merge tag 'v4.15-rc1' into next-seccomp
Linux 4.15-rc1
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 |