linux-kernel - Re: [RFC][PATCH 0/5 v2] x86/nmi: Print all cpu stacks from NMI safely

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Message-ID: <alpine.LNX.2.00.1408121615220.15220@pobox.suse.cz>
Date:	Tue, 12 Aug 2014 16:17:19 +0200 (CEST)
From:	Jiri Kosina <jkosina@...e.cz>
To:	Steven Rostedt <rostedt@...dmis.org>
cc:	linux-kernel@...r.kernel.org,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Ingo Molnar <mingo@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Michal Hocko <mhocko@...e.cz>, Jan Kara <jack@...e.cz>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Dave Anderson <anderson@...hat.com>,
	Petr Mladek <pmladek@...e.cz>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Konstantin Khlebnikov <koct9i@...il.com>
Subject: Re: [RFC][PATCH 0/5 v2] x86/nmi: Print all cpu stacks from NMI
 safely

On Fri, 8 Aug 2014, Steven Rostedt wrote:

> > > This is version 2:
> > > 
> > > This is my proposal to print the NMI stack traces from an RCU stall safely.
> > > Here's the gist of it.
> > 
> > Steven, what's your plan with this patchset please? 
> 
> Has there been consensus on this approach?

Well, I don't think any better proposals have been brought up so far, all 
the other aproaches (including the one we brought up) were more intrusive, 
and the hang-in-NMI it fixes is real and simply has to be fixed.

Thanks,

-- 
Jiri Kosina
SUSE Labs
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