diff options
| author | Hui Tang <tanghui20@huawei.com> | 2022-03-16 19:26:03 +0800 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2022-04-08 16:13:30 +0800 |
| commit | 4cda2f4a0ee68a23cadfa8cc0fce9af548c29fe2 (patch) | |
| tree | ebb0d797ad7c57872e78a3a19a10693a40d188fa /lib/mpi/mpih-mul.c | |
| parent | d5db91d26af5207b18cf2a80d7a7094bd4f57896 (diff) | |
crypto: hisilicon/qm - optimize the barrier operation
A 'dma_wmb' barrier is enough to guarantee previous writes
before accessing by acc device in the outer shareable domain.
A 'smp_wmb' barrier is enough to guarantee previous writes
before accessing by other cpus in the inner shareble domain.
Signed-off-by: Hui Tang <tanghui20@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'lib/mpi/mpih-mul.c')
0 files changed, 0 insertions, 0 deletions