From: Josh Poimboeuf <jpoimboe@redhat.com>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: Johannes Erdfelt <johannes@erdfelt.com>,
Joe Lawrence <joe.lawrence@redhat.com>,
Jessica Yu <jeyu@kernel.org>, Jiri Kosina <jikos@kernel.org>,
Miroslav Benes <mbenes@suse.cz>, Ingo Molnar <mingo@redhat.com>,
live-patching@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: Oops caused by race between livepatch and ftrace
Date: Wed, 22 May 2019 08:00:14 -0500 [thread overview]
Message-ID: <20190522130014.yvkbio62meatqvwf@treble> (raw)
In-Reply-To: <20190521164227.bxdff77kq7fgl5lp@treble>
On Tue, May 21, 2019 at 11:42:27AM -0500, Josh Poimboeuf wrote:
> void module_enable_ro(const struct module *mod, bool after_init)
> {
> + lockdep_assert_held(&text_mutex);
> +
This assertion fails, it turns out the module code also calls this
function (oops). I may move the meat of this function to a
__module_enable_ro() which the module code can call.
--
Josh
next prev parent reply other threads:[~2019-05-22 13:00 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-20 19:49 Oops caused by race between livepatch and ftrace Johannes Erdfelt
2019-05-20 20:46 ` Joe Lawrence
2019-05-20 21:09 ` Johannes Erdfelt
2019-05-20 21:19 ` Josh Poimboeuf
2019-05-20 21:39 ` Steven Rostedt
2019-05-21 14:16 ` Josh Poimboeuf
2019-05-21 14:42 ` Steven Rostedt
2019-05-21 16:42 ` Josh Poimboeuf
2019-05-21 16:53 ` Steven Rostedt
2019-05-29 11:17 ` Jiri Kosina
2019-05-29 12:06 ` Steven Rostedt
2019-05-29 12:30 ` Josh Poimboeuf
2019-05-22 13:00 ` Josh Poimboeuf [this message]
2019-05-29 17:29 ` Jessica Yu
2019-05-29 17:39 ` Josh Poimboeuf
2019-05-29 18:34 ` Jessica Yu
2019-05-20 21:48 ` Johannes Erdfelt
2019-05-20 21:19 ` Joe Lawrence
2019-05-21 19:27 ` Joe Lawrence
2019-05-21 21:00 ` Josh Poimboeuf
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