Re: [PATCH AUTOSEL for 4.14 015/161] printk: Add console owner and waiter logic to load balance console writes

From: Sasha Levin
Date: Tue Apr 17 2018 - 14:29:41 EST

On Tue, Apr 17, 2018 at 07:57:54PM +0200, Jan Kara wrote:
>Actually I was careful enough to include only commits that got merged as
>part of the stable process into 4.14.x but got later reverted in 4.14.y.
>That's where the 0.4% number came from. So I believe all of those cases
>(13 in absolute numbers) were user visible regressions during the stable

I looked at them, and there are 2 things in play here:

- Quite a few of those reverts are because of the PTI work. I'm not
sure how we treat it, but yes - it skews statistics here.
- 2 of them were reverts for device tree changes for a device that
didn't exist in 4.14, and shouldn't have had any user visible