Re: [PATCH] ftrace: Remove possible deadlock between register_kprobe() and ftrace_run_update_code()
From: Jiri Kosina <jikos@kernel.org>
Date: 2019-06-28 17:33:36
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On Thu, 27 Jun 2019, Josh Poimboeuf wrote:
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How is that supposed to work? ftrace prepare() setrw() setro() patch <- FAIL/me dodges frozen shark You are right of course. My brain has apparently already shut off for the day. Maybe a comment or two would help though.
I'd actually prefer (perhaps in parallel to the comment) using the __acquires() and __releases() anotations, so that sparse and friends don't get confused by that either. -- Jiri Kosina SUSE Labs