linux-kernel - Re: Dealing with the NMI mess

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Message-ID: <20150723215041.GE3052@1wt.eu>
Date:	Thu, 23 Jul 2015 23:50:41 +0200
From:	Willy Tarreau <w@....eu>
To:	Andy Lutomirski <luto@...capital.net>
Cc:	Steven Rostedt <rostedt@...dmis.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	X86 ML <x86@...nel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Borislav Petkov <bp@...en8.de>,
	Thomas Gleixner <tglx@...utronix.de>,
	Peter Zijlstra <peterz@...radead.org>,
	Brian Gerst <brgerst@...il.com>
Subject: Re: Dealing with the NMI mess

On Thu, Jul 23, 2015 at 02:46:49PM -0700, Andy Lutomirski wrote:
> On Thu, Jul 23, 2015 at 2:46 PM, Willy Tarreau <w@....eu> wrote:
> > Can't the back link of the TSS tell us where we come from ? At least
> > it should not be manipulable from user-space.
> 
> Not on 64-bit -- there are no tasks :)

Ah crap, sorry for the noise then!

Willy

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