On Mon, Sep 24, 2018 at 03:41:38AM +0300, Dmitry Osipenko wrote: > Currently GART writes one page entry at a time. More optimal would be to > aggregate the writes and flush BUS buffer in the end, this gives map/unmap > 10-40% performance boost (depending on size of mapping) in comparison to > flushing after each page entry update. > > Signed-off-by: Dmitry Osipenko <digetx@xxxxxxxxx> > --- > drivers/iommu/tegra-gart.c | 12 ++++++++++-- > 1 file changed, 10 insertions(+), 2 deletions(-) 10-40% sounds really nice, great stuff: Acked-by: Thierry Reding <treding@xxxxxxxxxx>
Attachment:
signature.asc
Description: PGP signature
