BUG_ON on kernel misbehavior on A100U2W driver
With broken Sparc64 IOMMU accounting, the kernel submits larger requests then allowed. Better to crash on BUG than corrupt memory. Signed-off-by: NMikulas Patocka <mpatocka@redhat.com> Acked-by: NJames Bottomley <James.Bottomley@HansenPartnership.com> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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