[PATCH 1/3] virtio-crypto: fixup potential cpu stall when free unused bufs

Xianting Tian
2023-06-09T13:18:58Z

From: Xianting Tian <tianxianting.txt@alibaba-inc.com>

Cpu stall issue may happen if device is configured with multi queues
and large queue depth, so fix it.

Signed-off-by: Xianting Tian <xianting.tian@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