linux-kernel - Re: The state of uprobes work and logistics

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Message-ID: <CAEf4BzZTTuBdCT2Qe=n7gqhf3yENZwHYUdsrQP9WfaEC4C35rw@mail.gmail.com>
Date: Tue, 5 Nov 2024 18:11:07 -0800
From: Andrii Nakryiko <andrii.nakryiko@...il.com>
To: Jiri Olsa <olsajiri@...il.com>, Ingo Molnar <mingo@...nel.org>
Cc: Peter Ziljstra <peterz@...radead.org>, Will Deacon <will@...nel.org>, 
	Catalin Marinas <catalin.marinas@....com>, Mark Rutland <mark.rutland@....com>, 
	Linux trace kernel <linux-trace-kernel@...r.kernel.org>, bpf <bpf@...r.kernel.org>, 
	Oleg Nesterov <oleg@...hat.com>, Masami Hiramatsu <mhiramat@...nel.org>, 
	Liao Chang <liaochang1@...wei.com>, 
	linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>, 
	open list <linux-kernel@...r.kernel.org>, 
	"linux-perf-use." <linux-perf-users@...r.kernel.org>, Kernel Team <kernel-team@...a.com>
Subject: Re: The state of uprobes work and logistics

On Wed, Oct 30, 2024 at 2:42 AM Jiri Olsa <olsajiri@...il.com> wrote:
>
> On Wed, Oct 16, 2024 at 12:35:21PM -0700, Andrii Nakryiko wrote:
>
> SNIP
>
> >   - Jiri Olsa's uprobe "session" support ([5]). This is less
> > performance focused, but important functionality by itself. But I'm
> > calling this out here because the first two patches are pure uprobe
> > internal changes, and I believe they should go into tip/perf/core to
> > avoid conflicts with the rest of pending uprobe changes.
> >
> > Peter, do you mind applying those two and creating a stable tag for
> > bpf-next to pull? We'll apply the rest of Jiri's series to
> > bpf-next/master.
>
>
> Hi Ingo,
> there's uprobe session support change that already landed in tip tree,
> but we have bpf related changes that need to go in through bpf-next tree
>
> could you please create the stable tag that we could pull to bpf-next/master
> and apply the rest of the uprobe session changes in there?

Ping. We (BPF) are blocked on this, we can't apply Jiri's uprobe
session series ([0]), until we merge two of his patches that landed
into perf/core. Can we please get a stable tag which we can use to
pull perf/core's patches into bpf-next/master?

  [0] https://lore.kernel.org/all/20241018204109.713820-1-jolsa@kernel.org/

>
> thanks,
> jirka