On Fri, Jul 30, 2021 at 3:53 PM Linus Torvalds
[off-list ref] wrote:

I've pushed it out as commit 3a34b13a88ca ("pipe: make pipe writes
always wake up readers"). Holler if you notice anything odd remaining.

.. and as I wrote that, I realized that I had forgotten to mark it for
stable even though that was the intent.

So stable team, please consider this the "that commit should probably
be added to your queue" notification,

             Linus