linux-kernel - RE: [RFC PATCH] x86, entry: Switch stacks on a paranoid entry from userspace

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Date:	Fri, 14 Nov 2014 18:27:23 +0000
From:	"Luck, Tony" <tony.luck@...el.com>
To:	Andy Lutomirski <luto@...capital.net>
CC:	Oleg Nesterov <oleg@...hat.com>, Borislav Petkov <bp@...en8.de>,
	X86 ML <x86@...nel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	"Andi Kleen" <andi@...stfloor.org>
Subject: RE: [RFC PATCH] x86, entry: Switch stacks on a paranoid entry from
 userspace

>> It adds debugging for inappropriate reschedules from the wrong stack.
>> Setting CONFIG_DEBUG_ATOMIC_SLEEP might also be a good idea.
>
> Will add that for next build/test

Didn't see anything new.  System died at 1108 recoveries with the
"Timeout synchronization ..." panic

-Tony