Re: [PATCH v4 1/2] tracing: fgraph: allocate shadow stacks inline with GFP_NOWAIT
From: Steven Rostedt
Date: Fri Oct 23 2026 - 18:09:20 EST
On Fri, 23 Oct 2026 13:13:41 -0700
Vineet Gupta <vineet.gupta@xxxxxxxxx> wrote:
> On 10/23/26 11:38 AM, Steven Rostedt wrote:
> > On Fri, 23 Oct 2026 11:13:44 -0700
> > Andrii Nakryiko <andrii.nakryiko@xxxxxxxxx> wrote:
> >
> >> Acked-by: Andrii Nakryiko <andrii@xxxxxxxxxx>
> >>
> >> I presume this will go through Masami and Steven's tree, is that right?
> > Yes, but it came in during the merge window, and since it's just a speed up
> > and not fixing something that's broken, I was going to let this go in the
> > next merge window. I rather have a change like this sit through a full -rc
> > release.
>
> It is a speed up but not for optimization sake but to cure rcu stalls in
> production at Meta. IMHO it should go in sooner than wait a full release
> cycle.
>
Either way, I'd like to give it a bit more testing first. That is, the
earliest it will go is after -rc1.
-- Steve