projects / platform / kernel / linux-rpi.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: d5db91d) | patch
crypto: hisilicon/qm - optimize the barrier operation
authorHui Tang <tanghui20@huawei.com>
Wed, 16 Mar 2022 11:26:03 +0000 (19:26 +0800)
committerHerbert Xu <herbert@gondor.apana.org.au>
Fri, 8 Apr 2022 08:13:30 +0000 (16:13 +0800)
commit4cda2f4a0ee68a23cadfa8cc0fce9af548c29fe2
treeebb0d797ad7c57872e78a3a19a10693a40d188fatree | snapshot
parentd5db91d26af5207b18cf2a80d7a7094bd4f57896commit | 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>
drivers/crypto/hisilicon/qm.c diff | blob | history
Domain: System / Kernel;