Thread (2 messages) 2 messages, 2 authors, 2021-12-17

Re: [PATCH bpf] Revert "xsk: Do not sleep in poll() when need_wakeup set"

From: patchwork-bot+netdevbpf@kernel.org
Date: 2021-12-17 22:10:26
Also in: bpf

Hello:

This patch was applied to bpf/bpf.git (master)
by Daniel Borkmann [off-list ref]:

On Fri, 17 Dec 2021 15:56:46 +0100 you wrote:
From: Magnus Karlsson <magnus.karlsson@intel.com>

This reverts commit bd0687c18e635b63233dc87f38058cd728802ab4.

This patch causes a Tx only workload to go to sleep even when it does
not have to, leading to misserable performance in skb mode. It fixed
one rare problem but created a much worse one, so this need to be
reverted while I try to craft a proper solution to the original
problem.

[...]
Here is the summary with links:
  - [bpf] Revert "xsk: Do not sleep in poll() when need_wakeup set"
    https://git.kernel.org/bpf/bpf/c/0706a78f31c4

You are awesome, thank you!
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