Re: [PATCH 5.13 073/127] pipe: avoid unnecessary EPOLLET wakeups under normal loads

[Linus Torvalds]

On Tue, Aug 24, 2021 at 9:57 AM Sasha Levin <sashal@xxxxxxxxxx> wrote:
>
> From: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
>
> [ Upstream commit 3b844826b6c6affa80755254da322b017358a2f4 ]

This one has an odd performance regression report associated with it.

Honestly, I don't understand the performance regression, but that's
likely on me, not on the kernel test robot.

So I'd hold off on applying it for now. It *might* be some odd test
robot hiccup, but ..

          Linus