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(parent: 5022985) | 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)
commitf245196ae431dbc18ebfc0100dabfb5a0b3b57d5
treeebb0d797ad7c57872e78a3a19a10693a40d188fatree | snapshot
parent5022985eaf9d00caf0dbbc275fc8ab1771a8adf5commit | 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
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