crypto: hisilicon/qm - optimize the barrier operation

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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>

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Hui Tang 2022-03-16 19:26:03 +08:00 • committed by Herbert Xu

parent d5db91d26a

commit 4cda2f4a0e

1 changed files with 3 additions and 3 deletions

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drivers/crypto/hisilicon/qm.c

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