linux-kernel - Re: [tip:perf/core] kprobes/x86: Call out into INT3 handler directly instead of using notifier

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Date:	Mon, 29 Jul 2013 11:18:51 +0200 (CEST)
From:	Jiri Kosina <jkosina@...e.cz>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	"H. Peter Anvin" <hpa@...ux.intel.com>, mingo@...nel.org,
	linux-kernel@...r.kernel.org, masami.hiramatsu.pt@...achi.com,
	rostedt@...dmis.org, tglx@...utronix.de, fengguang.wu@...el.com,
	tip-bot for Jiri Kosina <tipbot@...or.com>,
	linux-tip-commits@...r.kernel.org
Subject: Re: [tip:perf/core] kprobes/x86: Call out into INT3 handler directly
 instead of using notifier

On Mon, 29 Jul 2013, H. Peter Anvin wrote:

> >> Please note that putting this patch in perf/core means x86/jumplabel is
> >> completely nonfunctional by itself.
> > 
> > I'd like to point out that this is still the case ... TIA,
> 
> What is?

17f41571bb2c4a is only in perf/core, x86/jumplabel is missing it. I am not 
sure about the tip workflow, but as it is now, x86/jumplabel is buggy, so 
it should be either fixed (by pulling 17f41571bb2c4a from perf/core) or 
removed, or somehow marked as broken ... ?

Not a big deal for me as long as perf/core is fine, but as you were 
mentioning it ...

Thanks,

-- 
Jiri Kosina
SUSE Labs
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