From mboxrd@z Thu Jan  1 00:00:00 1970
From: Rusty Russell <rusty@rustcorp.com.au>
Subject: Re: [PATCH] ARM: KVM: Check the cpuid we're being asked to emulate.
Date: Thu, 17 May 2012 09:28:16 +0930
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Cc: android-virt@lists.cs.columbia.edu, kvm@vger.kernel.org,
	tech@virtualopensystems.com, Marc Zyngier <marc.zyngier@arm.com>
To: Christoffer Dall <c.dall@virtualopensystems.com>,
	Rusty Russell <rusty.russell@linaro.org>
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On Mon, 14 May 2012 18:57:20 -0400, Christoffer Dall <c.dall@virtualope=
nsystems.com> wrote:
> On Thu, Mar 22, 2012 at 8:41 PM, Rusty Russell <rusty.russell@linaro.=
org> wrote:
> > As our emulation gets more sophisticated, we need to know what CPU =
model
> > we're dealing with. =C2=A0Particularly for some of the nastier work=
arounds.
> >
> > Let's start with Cortex A-15. =C2=A0We can then test the MIDR elsew=
here in the
> > code, knowing that it's one of a finite set of allowed values.

(Revisiting this now)

The intent is good, this patch is not the right way to do it though.  I
think want an explicit ioctl to tell the kernel what CPU; since the
kernel initialized the regs, it needs to know.

Cheers,
Rusty.