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| author | Leo Jiang <leo.jiang1224@foxmail.com> | 2026-05-09 15:07:33 +0800 |
|---|---|---|
| committer | Will Deacon <will@kernel.org> | 2026-05-19 12:57:53 +0100 |
| commit | 2b9f593dad4666998d2440f4a8a6905c90b805dd (patch) | |
| tree | 08d554c3c3e402b2195e650af24bcb2f524a0490 | |
| parent | 8a0aab012b52b5c044ca3bec523e91f95dd40765 (diff) | |
| download | linux-2b9f593dad4666998d2440f4a8a6905c90b805dd.tar.gz linux-2b9f593dad4666998d2440f4a8a6905c90b805dd.zip | |
iommu/arm-smmu-v3: Limit queue allocation retry boundary to PAGE_SIZE
Stop retrying queue allocation when qsz reaches PAGE_SIZE.
Signed-off-by: Leo Jiang <leo.jiang1224@foxmail.com>
Signed-off-by: Will Deacon <will@kernel.org>
| -rw-r--r-- | drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c index e8d7dbe495f0..4a0b15b1d4d2 100644 --- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c +++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c @@ -4418,7 +4418,7 @@ int arm_smmu_init_one_queue(struct arm_smmu_device *smmu, qsz = ((1 << q->llq.max_n_shift) * dwords) << 3; q->base = dmam_alloc_coherent(smmu->dev, qsz, &q->base_dma, GFP_KERNEL); - if (q->base || qsz < PAGE_SIZE) + if (q->base || qsz <= PAGE_SIZE) break; q->llq.max_n_shift--; |