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Date:	Thu, 19 Jun 2014 19:36:35 -0400
From:	Steven Rostedt <>
To:	Jiri Kosina <>
	Linus Torvalds <>,
	Ingo Molnar <>,
	Andrew Morton <>,
	Michal Hocko <>, Jan Kara <>,
	Frederic Weisbecker <>,
	Dave Anderson <>,
	Petr Mladek <>
Subject: Re: [RFC][PATCH 0/3] x86/nmi: Print all cpu stacks from NMI safely

On Fri, 20 Jun 2014 01:27:26 +0200 (CEST)
Jiri Kosina <> wrote:

> I don't think there is a need for a global stop_machine()-like 
> synchronization here. The printing CPU will be sending IPI to the CPU N+1 
> only after it has finished printing CPU N stacktrace.

So you plan on sending an IPI to a CPU then wait for it to acknowledge
that it is spinning, and then print out the data and then tell the CPU
it can stop spinning?

-- Steve
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