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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2022-01-15 12:09:44 -0800
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2022-01-15 12:09:44 -0800
commit762f99f4f3cb41a775b5157dd761217beba65873 (patch)
tree2e93410a577dfff1202ea5b0d109460b97650e58 /include/linux/srcutiny.h
parentcf73ed894ee939d6706d65e0cd186e4a64e3af6d (diff)
parentb6e43dddaea3dbfa93327f986beb3ec5e8157c4c (diff)
Merge branch 'next' into for-linus
Prepare input updates for 5.17 merge window.
Diffstat (limited to 'include/linux/srcutiny.h')
-rw-r--r--include/linux/srcutiny.h8
1 files changed, 4 insertions, 4 deletions
diff --git a/include/linux/srcutiny.h b/include/linux/srcutiny.h
index 0e0cf4d6a72a..6cfaa0a9a9b9 100644
--- a/include/linux/srcutiny.h
+++ b/include/linux/srcutiny.h
@@ -61,7 +61,7 @@ static inline int __srcu_read_lock(struct srcu_struct *ssp)
int idx;
idx = ((READ_ONCE(ssp->srcu_idx) + 1) & 0x2) >> 1;
- WRITE_ONCE(ssp->srcu_lock_nesting[idx], ssp->srcu_lock_nesting[idx] + 1);
+ WRITE_ONCE(ssp->srcu_lock_nesting[idx], READ_ONCE(ssp->srcu_lock_nesting[idx]) + 1);
return idx;
}
@@ -81,11 +81,11 @@ static inline void srcu_torture_stats_print(struct srcu_struct *ssp,
{
int idx;
- idx = ((READ_ONCE(ssp->srcu_idx) + 1) & 0x2) >> 1;
+ idx = ((data_race(READ_ONCE(ssp->srcu_idx)) + 1) & 0x2) >> 1;
pr_alert("%s%s Tiny SRCU per-CPU(idx=%d): (%hd,%hd)\n",
tt, tf, idx,
- READ_ONCE(ssp->srcu_lock_nesting[!idx]),
- READ_ONCE(ssp->srcu_lock_nesting[idx]));
+ data_race(READ_ONCE(ssp->srcu_lock_nesting[!idx])),
+ data_race(READ_ONCE(ssp->srcu_lock_nesting[idx])));
}
#endif