linux-kernel - Re: [PATCH v3 00/13] uprobes: RCU-protected hot path optimizations

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Message-ID: <CAEf4BzaL4v-tvD9pzcNdnA29SOZbaezjKRRr=ba7_7B=tNBhdg@mail.gmail.com>
Date: Thu, 15 Aug 2024 09:49:49 -0700
From: Andrii Nakryiko <andrii.nakryiko@...il.com>
To: Oleg Nesterov <oleg@...hat.com>, peterz@...radead.org
Cc: Andrii Nakryiko <andrii@...nel.org>, linux-trace-kernel@...r.kernel.org, 
	rostedt@...dmis.org, mhiramat@...nel.org, bpf@...r.kernel.org, 
	linux-kernel@...r.kernel.org, jolsa@...nel.org, paulmck@...nel.org, 
	willy@...radead.org, surenb@...gle.com, akpm@...ux-foundation.org, 
	linux-mm@...ck.org
Subject: Re: [PATCH v3 00/13] uprobes: RCU-protected hot path optimizations

On Thu, Aug 15, 2024 at 6:25 AM Oleg Nesterov <oleg@...hat.com> wrote:
>
> On 08/12, Andrii Nakryiko wrote:
> >
> > ( In addition to previously posted first 8 patches, I'm sending 5 more as an
> > RFC for people to get the general gist of where this work heading and what
> > uprobe performance is now achievable. I think first 8 patches are ready to be
> > applied and I'd appreciate early feedback on the remaining 5 ones.
>
> I didn't read the "RFC" patches yet, will try to do on weekend.
>
> As for 1-8, I failed to find any problem:
> Reviewed-by: Oleg Nesterov <oleg@...hat.com>
>

Great, thanks a lot for all the thorough reviews you've provided (and
hopefully will keep providing ;).

Peter, if you don't see any problems with first 8 patches, could you
please apply them to tip/perf/core some time soon, so that subsequent
work (SRCU+timeout and, separately, lockless VMA->inode->uprobe
lookup) can be split into independent pieces and reviewed/landed
separately? Thanks!