Re: [RFC v2 00/34] SLUB: reduce irq disabled scope and make it RT compatible

From: Mike Galbraith
Date: Sun Jul 18 2021 - 04:30:25 EST


On Sun, 2021-07-18 at 09:41 +0200, Vlastimil Babka wrote:
> On 7/3/21 9:24 AM, Mike Galbraith wrote:
> > On Fri, 2021-07-02 at 20:29 +0200, Sebastian Andrzej Siewior wrote:
> > > I replaced my slub changes with slub-local-lock-v2r3.
> > > I haven't seen any complains from lockdep or so which is good.
> > > Then I
> > > did this with RT enabled (and no debug):
> >
> > Below is some raw hackbench data from my little i4790 desktop
> > box. It
> > says we'll definitely still want list_lock to be raw.
>
> Hi Mike, thanks a lot for the testing, sorry for late reply.
>
> Did you try, instead of raw list_lock, not applying the last, local
> lock patch, as I suggested in reply to bigeasy?

No, but I suppose I can give that a go.

-Mike