linux-kernel - Re: [PATCH RFC tip/perf/core] ftrace/x86: Let dynamic trampolines call ops->func even for dynamic fops

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Date:	Fri, 3 Apr 2015 09:26:13 -0400
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Miroslav Benes <mbenes@...e.cz>
Cc:	mingo@...hat.com, tglx@...utronix.de, hpa@...or.com,
	linux-kernel@...r.kernel.org, x86@...nel.org, jkosina@...e.cz
Subject: Re: [PATCH RFC tip/perf/core] ftrace/x86: Let dynamic trampolines
 call ops->func even for dynamic fops

On Fri, 3 Apr 2015 11:29:04 +0200 (CEST)
Miroslav Benes <mbenes@...e.cz> wrote:

> Yes, this works but there is a slight difference to the previous behaviour 
> which I tried to preserve in my patch. ftrace_ops_get_func in your patch 
> does not check FTRACE_FORCE_LIST_FUNC. I do not know if that is a real 
> problem. Anyway your approach looks much better and dynamic trampolines 
> are now used for live patches. So in this context you can add

Hmm, I'll have to take a deeper look at that. Thanks for noticing. But
that will have to wait till Monday, as I have off today ;-)

> 
> Tested-by: Miroslav Benes <mbenes@...e.cz>
> 

Thanks for testing.

-- Steve


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