Avoid the potential for shifting values by amounts greater than the
width of their type by using a bitmap to compute page size in
iommu_pgsize().
Signed-off-by: NWill Deacon <will@kernel.org>
Signed-off-by: NIsaac J. Manjarres <isaacm@codeaurora.org>
Signed-off-by: NGeorgi Djakov <quic_c_gdjako@quicinc.com>
Reviewed-by: NLu Baolu <baolu.lu@linux.intel.com>
Link: https://lore.kernel.org/r/1623850736-389584-6-git-send-email-quic_c_gdjako@quicinc.comSigned-off-by: NJoerg Roedel <jroedel@suse.de>