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author | Peter Zijlstra <peterz@infradead.org> | 2021-10-07 00:40:17 +0200 |
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committer | Peter Zijlstra <peterz@infradead.org> | 2021-10-07 00:40:17 +0200 |
commit | b08cadbd3b8721db738d9a00ef3ce3ed667e6d9c (patch) | |
tree | 1b44ef760764ea19f82fd80088135d23ab565d2d /fs/buffer.c | |
parent | db2b0c5d7b6f19b3c2cab08c531b65342eb5252b (diff) | |
parent | fe255fe6ad97685e5a4be0d871f43288dbc10ad6 (diff) |
Merge branch 'objtool/urgent'
Fixup conflicts.
# Conflicts:
# tools/objtool/check.c
Diffstat (limited to 'fs/buffer.c')
-rw-r--r-- | fs/buffer.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/fs/buffer.c b/fs/buffer.c index ab7573d72dd7..c615387aedca 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -1425,12 +1425,16 @@ void invalidate_bh_lrus(void) } EXPORT_SYMBOL_GPL(invalidate_bh_lrus); -void invalidate_bh_lrus_cpu(int cpu) +/* + * It's called from workqueue context so we need a bh_lru_lock to close + * the race with preemption/irq. + */ +void invalidate_bh_lrus_cpu(void) { struct bh_lru *b; bh_lru_lock(); - b = per_cpu_ptr(&bh_lrus, cpu); + b = this_cpu_ptr(&bh_lrus); __invalidate_bh_lrus(b); bh_lru_unlock(); } |