在 2023/6/9 下午11:57, Michael S. Tsirkin 写道:
On Fri, Jun 09, 2023 at 09:18:15PM +0800, Xianting Tian wrote:
From: Xianting Tian <tianxianting.txt@xxxxxxxxxxxxxxx>
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?
I didn't met such issue, this patch set just a theoretical fix.
Signed-off-by: Xianting Tian <xianting.tian@xxxxxxxxxxxxxxxxx>
---
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
