Re: [PATCH 01/25] arm64/iommu: handle non-remapped addresses in ->mmap and ->get_sgtable

Christoph Hellwig
2019-05-07T11:25:02Z

On Fri, May 03, 2019 at 12:33:53PM +0100, Catalin Marinas wrote:
> On Tue, Apr 30, 2019 at 06:51:50AM -0400, 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>

Given that this is a bug fix mostly separate from the rest of the
series - do you want to pick it up for 5.2 and maybe add a Cc for
stable?