Messages in this thread | | | Date | Wed, 12 Jul 2017 08:13:20 -0700 (PDT) | Subject | Re: [sparc-next] SPARC64: Fix sun4v DMA panic | From | David Miller <> |
| |
From: Tushar Dave <tushar.n.dave@oracle.com> Date: Tue, 11 Jul 2017 14:34:47 -0700
> 64bit DMA only supported on sun4v equipped with ATU IOMMU HW. > 'Commit b02c2b0bfd7ae ("sparc: remove arch specific dma_supported > implementations")' introduced a code that incorrectly allow > dma_supported() to succeed for 64bit dma mask even if system doesn't > have ATU IOMMU. This results into panic. > > Fix it. > > Reported-by: Meelis Roos <mroos@linux.ee> > Signed-off-by: Tushar Dave <tushar.n.dave@oracle.com>
Applied to the 'sparc' tree, thanks.
| |