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

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Message-ID: <20141113105936.GA14070@pd.tnic>
Date:	Thu, 13 Nov 2014 11:59:37 +0100
From:	Borislav Petkov <bp@...en8.de>
To:	"Luck, Tony" <tony.luck@...el.com>,
	Andy Lutomirski <luto@...capital.net>
Cc:	Oleg Nesterov <oleg@...hat.com>, 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>, kvm ML <kvm@...r.kernel.org>
Subject: Re: [RFC PATCH] x86, entry: Switch stacks on a paranoid entry from
 userspace

On Thu, Nov 13, 2014 at 12:31:30AM +0000, Luck, Tony wrote:
> > Is this something I can try under KVM?
> 
> I don't know if KVM has a way to simulate a machine check event.

I've been thinking about it recently too - adding MCA functionality to
qemu/kvm could be very useful, especially the thresholding stuff, for
testing RAS kernel code.

-- 
Regards/Gruss,
    Boris.

Sent from a fat crate under my desk. Formatting is fine.
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