On Fri, Jun 09, 2023 at 09:18:15PM +0800, Xianting Tian wrote:
> From: Xianting Tian <tianxianting....@alibaba-inc.com>
> 
> Cpu stall issue may happen if device is configured with multi queues
> and large queue depth, so fix it.

What does "may happen" imply exactly?
was this observed?

> Signed-off-by: Xianting Tian <xianting.t...@linux.alibaba.com>
> ---
>  drivers/crypto/virtio/virtio_crypto_core.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/crypto/virtio/virtio_crypto_core.c 
> b/drivers/crypto/virtio/virtio_crypto_core.c
> index 1198bd306365..94849fa3bd74 100644
> --- a/drivers/crypto/virtio/virtio_crypto_core.c
> +++ b/drivers/crypto/virtio/virtio_crypto_core.c
> @@ -480,6 +480,7 @@ static void virtcrypto_free_unused_reqs(struct 
> virtio_crypto *vcrypto)
>                       kfree(vc_req->req_data);
>                       kfree(vc_req->sgs);
>               }
> +             cond_resched();
>       }
>  }
>  
> -- 
> 2.17.1

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