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Merge "dma-mapping-fast: Ensure reserved iovas are actually reserved"

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qctecmdr 2020-10-08 08:33:24 -07:00 • committed by Gerrit - the friendly Code Review server
commit a27d90db9e
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drivers/iommu/dma-mapping-fast.c
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@ -893,6 +893,7 @@ static void fast_smmu_reserve_pci_windows(struct device *dev,
start = (start - mapping->base) >> FAST_PAGE_SHIFT;
end = (end - mapping->base) >> FAST_PAGE_SHIFT;
bitmap_set(mapping->bitmap, start, end - start);
bitmap_set(mapping->clean_bitmap, start, end - start);
}
spin_unlock_irqrestore(&mapping->lock, flags);
}