linux-kernel - Re: [PATCH] uprobes: Use synchronize_rcu() not synchronize

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Message-ID: <20180810140633.GD3677@redhat.com>
Date:   Fri, 10 Aug 2018 16:06:34 +0200
From:   Oleg Nesterov <oleg@...hat.com>
To:     Steven Rostedt <rostedt@...dmis.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Masami Hiramatsu <mhiramat@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        stable <stable@...r.kernel.org>
Subject: Re: [PATCH] uprobes: Use synchronize_rcu() not synchronize_sched()

On 08/10, Steven Rostedt wrote:
>
> Are you OK with this patch? I set it for stable and plan on pushing it
> with the patches for the upcoming merge window. If you are OK, mind
> giving me an Acked or Reviewed-by?

Yes, thanks, feel free to add

Acked-by: Oleg Nesterov <oleg@...hat.com>

> Even if it is theoretical, we should make sure it can't happen. But
> this is unrelated to the current patch,

agreed.

> and if we should fix this, then
> it can be a separate patch. I don't think your change hurts, and even
> if it can't technically happen, it may let us sleep better at night.
> Want to send a formal patch to make this change?

OK, will do.

Oleg.