Messages in this thread | | | Subject | Re: [PATCH net] net: lantiq: disable interrupt before sheduling NAPI | From | patchwork-bot+netdevbpf@kernel ... | Date | Wed, 09 Jun 2021 02:20:03 +0000 |
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Hello:
This patch was applied to netdev/net.git (refs/heads/master):
On Tue, 8 Jun 2021 23:21:07 +0200 you wrote: > This patch fixes TX hangs with threaded NAPI enabled. The scheduled > NAPI seems to be executed in parallel with the interrupt on second > thread. Sometimes it happens that ltq_dma_disable_irq() is executed > after xrx200_tx_housekeeping(). The symptom is that TX interrupts > are disabled in the DMA controller. As a result, the TX hangs after > a few seconds of the iperf test. Scheduling NAPI after disabling > interrupts fixes this issue. > > [...]
Here is the summary with links: - [net] net: lantiq: disable interrupt before sheduling NAPI https://git.kernel.org/netdev/net/c/f2386cf7c5f4
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