crypto: hisilicon/qm - optimize the barrier operation
mainline inclusion from mainline-v5.19-rc1 commit 4cda2f4a category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I5AFY1 CVE: NA Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4cda2f4a0ee6 ---------------------------------------------------------------------- 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> Signed-off-by:
Jiangshui Yang <yangjiangshui@h-partners.com> Reviewed-by:
Yang Shen <shenyang39@huawei.com> Acked-by:
Xie XiuQi <xiexiuqi@huawei.com> Signed-off-by:
Zheng Zengkai <zhengzengkai@huawei.com>
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