linux-kernel - Re: [PATCH] kprobes: Allow kprobes coexist with livepatch

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Message-Id: <20190727184105.39fde3cd4f3708489a17ff15@kernel.org>
Date:   Sat, 27 Jul 2019 18:41:05 +0900
From:   Masami Hiramatsu <mhiramat@...nel.org>
To:     Joe Lawrence <joe.lawrence@...hat.com>
Cc:     Steven Rostedt <rostedt@...dmis.org>,
        Masami Hiramatsu <mhiramat@...nel.org>,
        Ingo Molnar <mingo@...nel.org>,
        Josh Poimboeuf <jpoimboe@...hat.com>,
        live-patching@...r.kernel.org, linux-kernel@...r.kernel.org,
        "Naveen N . Rao" <naveen.n.rao@...ux.ibm.com>,
        Anil S Keshavamurthy <anil.s.keshavamurthy@...el.com>,
        "David S . Miller" <davem@...emloft.net>
Subject: Re: [PATCH] kprobes: Allow kprobes coexist with livepatch

On Fri, 26 Jul 2019 13:38:41 -0400
Joe Lawrence <joe.lawrence@...hat.com> wrote:

> On 7/26/19 12:14 PM, Steven Rostedt wrote:
> > On Thu, 25 Jul 2019 22:07:52 -0400
> > Joe Lawrence <joe.lawrence@...hat.com> wrote:
> > 
> >> These results reflect my underestanding of FTRACE_OPS_FL_IPMODIFY in
> >> light of your changes, so feel free to add my:
> >>
> >> Acked-by: Joe Lawrence <joe.lawrence@...hat.com>
> > 
> > Is this an urgent patch (needs to go in now and not wait for the next
> > merge window) and if so, should it be marked for stable?
> > 
> 
> Hi Steve,
> 
> IMHO, it's not urgent..  so unless Josh or other livepatch folks say 
> otherwise, I'm ok with waiting for next merge window.  Given summer 
> holiday schedules, that would give them more time to comment if they like.

Agreed. Since system admin can control kprobes and livepatch, which
means the confliction can be avoided.

Thank you,

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