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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-07-31 09:31:38 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-07-31 09:31:38 +0200 |
| commit | 1346e9331abe8d08c05148def1cb2cdf03085c40 (patch) | |
| tree | 2cab2825e6292ec41354b5b3da7d4137f5e62941 /lib/sbitmap.c | |
| parent | 0995c95b0882ee0ed0ea1930c8918bb0899e924c (diff) | |
| parent | 5d0c230f1de8c7515b6567d9afba1f196fb4e2f4 (diff) | |
| download | linux-1346e9331abe8d08c05148def1cb2cdf03085c40.tar.gz linux-1346e9331abe8d08c05148def1cb2cdf03085c40.tar.bz2 linux-1346e9331abe8d08c05148def1cb2cdf03085c40.zip | |
Merge 6.5-rc4 into char-misc-next
We need the char-misc fixes in here as well for testing.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'lib/sbitmap.c')
| -rw-r--r-- | lib/sbitmap.c | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/lib/sbitmap.c b/lib/sbitmap.c index eff4e42c425a..d0a5081dfd12 100644 --- a/lib/sbitmap.c +++ b/lib/sbitmap.c @@ -550,7 +550,7 @@ EXPORT_SYMBOL_GPL(sbitmap_queue_min_shallow_depth); static void __sbitmap_queue_wake_up(struct sbitmap_queue *sbq, int nr) { - int i, wake_index; + int i, wake_index, woken; if (!atomic_read(&sbq->ws_active)) return; @@ -567,13 +567,12 @@ static void __sbitmap_queue_wake_up(struct sbitmap_queue *sbq, int nr) */ wake_index = sbq_index_inc(wake_index); - /* - * It is sufficient to wake up at least one waiter to - * guarantee forward progress. - */ - if (waitqueue_active(&ws->wait) && - wake_up_nr(&ws->wait, nr)) - break; + if (waitqueue_active(&ws->wait)) { + woken = wake_up_nr(&ws->wait, nr); + if (woken == nr) + break; + nr -= woken; + } } if (wake_index != atomic_read(&sbq->wake_index)) |