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| author | Hui Tang <tanghui20@huawei.com> | 2022-03-16 14:26:03 +0300 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2022-04-08 11:13:30 +0300 |
| commit | 4cda2f4a0ee68a23cadfa8cc0fce9af548c29fe2 (patch) | |
| tree | ebb0d797ad7c57872e78a3a19a10693a40d188fa /include/linux | |
| parent | d5db91d26af5207b18cf2a80d7a7094bd4f57896 (diff) | |
| download | linux-4cda2f4a0ee68a23cadfa8cc0fce9af548c29fe2.tar.xz | |
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 'include/linux')
0 files changed, 0 insertions, 0 deletions