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| author |   Jonathan Neuschäfer <j.neuschaefer@gmx.net> | 2018-06-08 21:16:14 +0200 |
|---|---|---|
| committer | Jonathan Neuschäfer <j.neuschaefer@gmx.net> | 2018-06-08 21:41:21 +0200 |
| commit | d142a02a5f5ceafb5a5fc637e13ac1de8eef1ddf (patch) | |
| tree | f577757e2321c2d323d089947b1943016a58faab /COPYING | |
| parent | messages: Ensure that there are more queue slots than CPUs (diff) | |
| download | wireguard-monolithic-historical-d142a02a5f5ceafb5a5fc637e13ac1de8eef1ddf.tar.xz wireguard-monolithic-historical-d142a02a5f5ceafb5a5fc637e13ac1de8eef1ddf.zip | |
mpmc_ptr_ring: Switch to smp_[rw]mb()
From https://www.kernel.org/doc/Documentation/memory-barriers.txt:
> SMP memory barriers are reduced to compiler barriers on uniprocessor
> compiled systems because it is assumed that a CPU will appear to be
> self-consistent, and will order overlapping accesses correctly with
> respect to itself.
Since we only order CPU memory accesses with the memory barriers in
mpmc_ptr_ring.h, smp_[rw]mb() should be sufficient.
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Diffstat (limited to 'COPYING')
0 files changed, 0 insertions, 0 deletions