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| author | Magnus Karlsson <magnus.karlsson@intel.com> | 2020-08-28 10:26:22 +0200 |
|---|---|---|
| committer | Daniel Borkmann <daniel@iogearbox.net> | 2020-08-31 21:15:04 +0200 |
| commit | 921b68692abb4fd02237b6875b2056bc59435116 (patch) | |
| tree | 80597519bc9b2ec71dc485418bc0f6a6025d234b /tools/perf/scripts/python/bin/stackcollapse-record | |
| parent | xsk: Move addrs from buffer pool to umem (diff) | |
| download | linux-921b68692abb4fd02237b6875b2056bc59435116.tar.gz linux-921b68692abb4fd02237b6875b2056bc59435116.zip | |
xsk: Enable sharing of dma mappings
Enable the sharing of dma mappings by moving them out from the buffer
pool. Instead we put each dma mapped umem region in a list in the umem
structure. If dma has already been mapped for this umem and device, it
is not mapped again and the existing dma mappings are reused.
Signed-off-by: Magnus Karlsson <magnus.karlsson@intel.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Björn Töpel <bjorn.topel@intel.com>
Link: https://lore.kernel.org/bpf/1598603189-32145-9-git-send-email-magnus.karlsson@intel.com
Diffstat (limited to 'tools/perf/scripts/python/bin/stackcollapse-record')
0 files changed, 0 insertions, 0 deletions