linux-kernel - Re: Bisected KVM hang on x86-32 between v3.12 and v3.13

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Date:	Mon, 7 Apr 2014 20:56:58 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Toralf Förster <toralf.foerster@....de>
Cc:	Michele Ballabio <barra_cuda@...amail.com>,
	linux-kernel@...r.kernel.org, fweisbec@...il.com, mingo@...nel.org,
	Steven Rostedt <rostedt@...dmis.org>
Subject: Re: Bisected KVM hang on x86-32 between v3.12 and v3.13

On Mon, Apr 07, 2014 at 08:16:24PM +0200, Toralf Förster wrote:

> v3.14-10353-g2b3a8fd works fine AFAICS
> (BTW the fix is stable material, right ?)

I'm fairly sure its not; its a rather invasive series; see:

2432e1364bbe x86: Nuke the supervisor_stack field in i386 thread_info
b807902a88c4 x86: Nuke GET_THREAD_INFO_WITH_ESP() macro for i386
0788aa6a23cb x86: Prepare removal of previous_esp from i386 thread_info structure
198d208df437 x86: Keep thread_info on thread stack in x86_32

Let me see if there's anything 'simpler' we can stuff in .13+
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