Thread (2 messages) flat view 2 messages, 2 authors, 2021-05-07

Re: [PATCH net v1] net: stmmac: Do not enable RX FIFO overflow interrupts

From: patchwork-bot+netdevbpf@kernel.org
Date: 2021-05-07 23:10:18

Hello:

This patch was applied to netdev/net.git (refs/heads/master):

On Thu,  6 May 2021 16:33:12 +0200 you wrote:
From: Yannick Vignon <redacted>

The RX FIFO overflows when the system is not able to process all received
packets and they start accumulating (first in the DMA queue in memory,
then in the FIFO). An interrupt is then raised for each overflowing packet
and handled in stmmac_interrupt(). This is counter-productive, since it
brings the system (or more likely, one CPU core) to its knees to process
the FIFO overflow interrupts.

[...]
Here is the summary with links:
  - [net,v1] net: stmmac: Do not enable RX FIFO overflow interrupts
    https://git.kernel.org/netdev/net/c/8a7cb245cf28

You are awesome, thank you!
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