diff options
| author | Ingo Molnar <mingo@kernel.org> | 2022-09-21 09:58:02 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2022-09-21 09:58:02 +0200 |
| commit | 74656d03ac36fabb16b9df5221cf398ee3a9ca08 (patch) | |
| tree | 0600e619ac817e2c016c148810814f55280316cc /kernel/dma/debug.c | |
| parent | 0d97db026509c1a13f732b22670ab1f0ac9d8d87 (diff) | |
| parent | 521a547ced6477c54b4b0cc206000406c221b4d6 (diff) | |
Merge tag 'v6.0-rc6' into locking/core, to refresh the branch
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/dma/debug.c')
| -rw-r--r-- | kernel/dma/debug.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/kernel/dma/debug.c b/kernel/dma/debug.c index 2caafd13f8aa..18c93c2276ca 100644 --- a/kernel/dma/debug.c +++ b/kernel/dma/debug.c @@ -350,11 +350,10 @@ static struct dma_debug_entry *bucket_find_contain(struct hash_bucket **bucket, unsigned long *flags) { - unsigned int max_range = dma_get_max_seg_size(ref->dev); struct dma_debug_entry *entry, index = *ref; - unsigned int range = 0; + int limit = min(HASH_SIZE, (index.dev_addr >> HASH_FN_SHIFT) + 1); - while (range <= max_range) { + for (int i = 0; i < limit; i++) { entry = __hash_bucket_find(*bucket, ref, containing_match); if (entry) @@ -364,7 +363,6 @@ static struct dma_debug_entry *bucket_find_contain(struct hash_bucket **bucket, * Nothing found, go back a hash bucket */ put_hash_bucket(*bucket, *flags); - range += (1 << HASH_FN_SHIFT); index.dev_addr -= (1 << HASH_FN_SHIFT); *bucket = get_hash_bucket(&index, flags); } |