linux-kernel - Re: [PATCH] ftrace: Remove possible deadlock between register_kprobe() and ftrace_run_update

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Message-ID: <20190629171931.770f05a5@gandalf.local.home>
Date:   Sat, 29 Jun 2019 17:19:31 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Jiri Kosina <jikos@...nel.org>
Cc:     Josh Poimboeuf <jpoimboe@...hat.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Petr Mladek <pmladek@...e.com>,
        Miroslav Benes <mbenes@...e.cz>, Jessica Yu <jeyu@...nel.org>,
        Joe Lawrence <joe.lawrence@...hat.com>,
        linux-kernel@...r.kernel.org, live-patching@...r.kernel.org,
        Johannes Erdfelt <johannes@...felt.com>,
        Ingo Molnar <mingo@...nel.org>, mhiramat@...nel.org,
        torvalds@...ux-foundation.org
Subject: Re: [PATCH] ftrace: Remove possible deadlock between
 register_kprobe() and ftrace_run_update_code()

On Sat, 29 Jun 2019 22:56:47 +0200 (CEST)
Jiri Kosina <jikos@...nel.org> wrote:

> > Care to send a patch? :-)  
> 
> From: Jiri Kosina <jkosina@...e.cz>
> Subject: [PATCH] ftrace/x86: anotate text_mutex split between ftrace_arch_code_modify_post_process() and ftrace_arch_code_modify_prepare()

Care to send a proper patch ;-)

As in, a separate email. Makes it much easier to apply directly with
my scripts.

-- Steve