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| author |   dlg <dlg@openbsd.org> | 2014-03-27 10:15:43 +0000 |
|---|---|---|
| committer | dlg <dlg@openbsd.org> | 2014-03-27 10:15:43 +0000 |
| commit | b2e4aadb5a9e8d26fff23b1120f8d0e9081f2f7b (patch) | |
| tree | 5a43c09f84aa10c9f7051a65e75971a903db5929 /sys/dev/pci/mpiireg.h | |
| parent | the request and reply descriptors are 8 byte aligned for the hardware. (diff) | |
| download | wireguard-openbsd-b2e4aadb5a9e8d26fff23b1120f8d0e9081f2f7b.tar.xz wireguard-openbsd-b2e4aadb5a9e8d26fff23b1120f8d0e9081f2f7b.zip | |
tweak mpii_start.
on 64bit archs you can post the descriptor in one go, which is easy. on
32bit you have to post it in halves in the right order, which is not
atomic and requires barriers for ordering.
Diffstat (limited to 'sys/dev/pci/mpiireg.h')
0 files changed, 0 insertions, 0 deletions