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(parent: 9f699b7) | patch
virtio_net: suppress cpu stall when free_unused_bufs
authorWenliang Wang <wangwenliang.1995@bytedance.com>
Thu, 4 May 2023 02:27:06 +0000 (10:27 +0800)
committerDavid S. Miller <davem@davemloft.net>
Fri, 5 May 2023 08:30:28 +0000 (09:30 +0100)
commitf8bb5104394560e29017c25bcade4c6b7aabd108
tree291c0072cd9f8cb3db09f194fc3b9c702cebe8d5tree | snapshot
parent9f699b71c2f31c51bd1483a20e1c8ddc5986a8c9commit | diff
virtio_net: suppress cpu stall when free_unused_bufs

For multi-queue and large ring-size use case, the following error
occurred when free_unused_bufs:
rcu: INFO: rcu_sched self-detected stall on CPU.

Fixes: 986a4f4d452d ("virtio_net: multiqueue support")
Signed-off-by: Wenliang Wang <wangwenliang.1995@bytedance.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/virtio_net.c diff | blob | history
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