linux-kernel - Re: [PATCH v4 2/5] x86, traps: Track entry into and exit from IST context

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Message-ID: <20141125191619.GL5050@linux.vnet.ibm.com>
Date:	Tue, 25 Nov 2014 11:16:19 -0800
From:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
To:	Borislav Petkov <bp@...en8.de>
Cc:	Andy Lutomirski <luto@...capital.net>, X86 ML <x86@...nel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Oleg Nesterov <oleg@...hat.com>,
	Tony Luck <tony.luck@...el.com>,
	Andi Kleen <andi@...stfloor.org>,
	Josh Triplett <josh@...htriplett.org>,
	Frédéric Weisbecker <fweisbec@...il.com>
Subject: Re: [PATCH v4 2/5] x86, traps: Track entry into and exit from IST
 context

On Tue, Nov 25, 2014 at 07:58:03PM +0100, Borislav Petkov wrote:
> On Mon, Nov 24, 2014 at 03:52:10PM -0800, Andy Lutomirski wrote:
> > Dunno. Tony and Borislav -- when do you want the IST stack switching
> > stuff?
> 
> I'd leave that up to Tony and his testbench. I mean, we can hammer on
> it as much as we can and it can pass all testing locally but the real
> fun starts once it hits upstream and for that it doesn't matter which
> release... IMHO.

Nothing quite like oddball hardware to make test planning a challenge,
no two ways about it!  ;-)

							Thanx, Paul

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