Konrad, Any comments?
Sincerely, Andrii Anisov. On Tue, Feb 7, 2017 at 7:58 PM, Andrii Anisov <andrii.ani...@gmail.com> wrote: > From: Andrii Anisov <andrii_ani...@epam.com> > > Some drivers need additional dma ops to be provided by xen swiotlb. Because > common operations implementation came from x86 world and does not suite ARM > needs we have to provide needed XEN SWIOTLB for ARM callbacks. > > dma_mmap patch is a port of an antique and lost patch discussed here: > http://marc.info/?l=xen-devel&m=139695901430667&w=4 > > Changes in V4: > - No functional changes > - '#ifdef DEBUG' is replaced with '#if 0' for a debug code because Konrad > insisted > - Added more comments for the functions added and for the debug code > - fixed code alignment. > > Changes in V3: > - dma ops are moved from ARM specific to generic code > - runtime operation verified for arm64 with LK 4.9 > - compilation verified for arm, arm64, x86 with the current LK master HEAD > 566cf877a1fcb6d6dc0126b076aad062054c2637 > > Changes in V2: > - patches are rebased and checked for compilation for x86, arm, arm64 with > the current LK master HEAD 83346fbc07d267de777e2597552f785174ad0373 > > Andrii Anisov (1): > swiotlb-xen: implement xen_swiotlb_get_sgtable callback > > Stefano Stabellini (1): > swiotlb-xen: implement xen_swiotlb_dma_mmap callback > > arch/arm/xen/mm.c | 2 ++ > drivers/xen/swiotlb-xen.c | 47 ++++++++++++++++++++++++++++++ > +++++++++++++++++ > include/xen/swiotlb-xen.h | 11 +++++++++++ > 3 files changed, 60 insertions(+) > > -- > 2.7.4 > >
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