linux-kernel - Re: [PATCH -tip V2 0/2] kprobes: Fix RCU warning and cleanup

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Date:   Tue, 7 Jan 2020 21:15:35 +0900
From:   Masami Hiramatsu <mhiramat@...nel.org>
To:     Masami Hiramatsu <mhiramat@...nel.org>
Cc:     Ingo Molnar <mingo@...nel.org>,
        Anders Roxell <anders.roxell@...aro.org>, paulmck@...nel.org,
        joel@...lfernandes.org,
        "Naveen N . Rao" <naveen.n.rao@...ux.ibm.com>,
        Anil S Keshavamurthy <anil.s.keshavamurthy@...el.com>,
        David Miller <davem@...emloft.net>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH -tip V2 0/2] kprobes: Fix RCU warning and cleanup

Hello,

Anyone have any comment on this series?
Without this series, I still see the suspicious RCU warning for kprobe on -tip tree.

Thank you,

On Sat, 21 Dec 2019 03:55:41 +0900
Masami Hiramatsu <mhiramat@...nel.org> wrote:

> Hi Ingo,
> 
> Could you pick this series to fix the false-positive RCU-list warnings?
> 
> Thank you,
> 
> On Tue,  3 Dec 2019 15:06:06 +0900
> Masami Hiramatsu <mhiramat@...nel.org> wrote:
> 
> > Hi,
> > 
> > Here is a couple of patches which fix suspicious RCU
> > usage warnings in kprobes.
> > 
> > Anders reported the first warning in kprobe smoke test
> > with CONFIG_PROVE_RCU_LIST=y. While fixing this issue,
> > I found similar issues and cleanups in kprobes.
> > 
> > Thank you,
> > 
> > ---
> > 
> > Masami Hiramatsu (2):
> >       kprobes: Suppress the suspicious RCU warning on kprobes
> >       kprobes: Use non RCU traversal APIs on kprobe_tables if possible
> > 
> > 
> >  kernel/kprobes.c |   32 ++++++++++++++++++++++----------
> >  1 file changed, 22 insertions(+), 10 deletions(-)
> > 
> > --
> > Masami Hiramatsu (Linaro) <mhiramat@...nel.org>
> 
> 
> -- 
> Masami Hiramatsu <mhiramat@...nel.org>


-- 
Masami Hiramatsu <mhiramat@...nel.org>