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Commit a85894cd authored by Joerg Roedel's avatar Joerg Roedel
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iommu/vt-d: Use WARN_ON_ONCE instead of BUG_ON in qi_flush_dev_iotlb() 



A misaligned address is only worth a warning, and not
stopping the while execution path with a BUG_ON().

Signed-off-by: default avatarJoerg Roedel <jroedel@suse.de>
parent 0dfc0c79

drivers/iommu/dmar.c

+1 −1
Original line number Diff line number Diff line
@@ -1345,7 +1345,7 @@ void qi_flush_dev_iotlb(struct intel_iommu *iommu, u16 sid, u16 qdep, 
	struct qi_desc desc;



	if (mask) {

		BUG_ON(addr & ((1ULL << (VTD_PAGE_SHIFT + mask)) - 1));

		WARN_ON_ONCE(addr & ((1ULL << (VTD_PAGE_SHIFT + mask)) - 1));

		addr |= (1ULL << (VTD_PAGE_SHIFT + mask - 1)) - 1;

		desc.high = QI_DEV_IOTLB_ADDR(addr) | QI_DEV_IOTLB_SIZE;

	} else