81931012bd
This gets rid of the last references to smp_read_barrier_depends() which for the kernel side was removed in v5.9. The serialization required for Alpha is done inside READ_ONCE() instead of having users deal with it. Simply use a full barrier, the architecture does not have rmb in the first place. Signed-off-by: Davidlohr Bueso <dave@stgolabs.net> Message-Id: <20221128034347.990-3-dave@stgolabs.net> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com> |
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| .. | ||
| Makefile | ||
| README | ||
| main.c | ||
| main.h | ||
| noring.c | ||
| ptr_ring.c | ||
| ring.c | ||
| run-on-all.sh | ||
| virtio_ring_0_9.c | ||
| virtio_ring_inorder.c | ||
| virtio_ring_poll.c | ||
README
Partial implementation of various ring layouts, useful to tune virtio design. Uses shared memory heavily. Typical use: # sh run-on-all.sh perf stat -r 10 --log-fd 1 -- ./ring