| Date | Wed, 22 May 2019 13:54:47 +0100 | From | Will Deacon <> | Subject | Re: [PATCH 01/24] arm64/iommu: handle non-remapped addresses in ->mmap and ->get_sgtable |
| |
On Mon, May 20, 2019 at 09:29:25AM +0200, Christoph Hellwig wrote: > DMA allocations that can't sleep may return non-remapped addresses, but > we do not properly handle them in the mmap and get_sgtable methods. > Resolve non-vmalloc addresses using virt_to_page to handle this corner > case. > > Signed-off-by: Christoph Hellwig <hch@lst.de> > Reviewed-by: Robin Murphy <robin.murphy@arm.com> > Acked-by: Catalin Marinas <catalin.marinas@arm.com> > --- > arch/arm64/mm/dma-mapping.c | 10 ++++++++++ > 1 file changed, 10 insertions(+)
I'll send this one to Linus this week as part of the arm64 fixes.
Will
|