Hello:
This patch was applied to bpf/bpf.git (master)
by Daniel Borkmann <daniel@xxxxxxxxxxxxx>:
On Tue, 14 Dec 2021 11:26:07 +0100 you wrote:
> From: Magnus Karlsson <magnus.karlsson@xxxxxxxxx>
>
> Do not sleep in poll() when the need_wakeup flag is set. When this
> flag is set, the application needs to explicitly wake up the driver
> with a syscall (poll, recvmsg, sendmsg, etc.) to guarantee that Rx
> and/or Tx processing will be processed promptly. But the current code
> in poll(), sleeps first then wakes up the driver. This means that no
> driver processing will occur (baring any interrupts) until the timeout
> has expired.
>
> [...]
Here is the summary with links:
- [bpf] xsk: do not sleep in poll() when need_wakeup set
https://git.kernel.org/bpf/bpf/c/bd0687c18e63
You are awesome, thank you!
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