On Wed, Jul 25, 2012 at 8:17 AM, Rusty Russell <rusty.russ...@linaro.org>wrote:

> On Tue, 17 Jul 2012 19:19:16 +0100, Peter Maydell <
> peter.mayd...@linaro.org> wrote:
> > So I can't see anything better than "complain and return failure
> > from kvm_arch_init_vcpu() if the guest CPU isn't going to work".
>
> OK, here's what I have for kvm.  It matches the kernel patches I just
> sent out, with the updated API.
>
> I rewrote all the backwards compat stuff to wrap it in #ifdef
> HORRIBLE_COMPAT_HACK, but something subtle broke and it no longer set
> cpsr correctly for older kernels.  After wasting an afternoon on it, I
> gave up and threw out the backwards compat code in digust.
>
> Nor does it bisect, since we update the headers as you asked, then
> update the code.
>
> The following changes since commit
> 94d477a4017d45222a4a0227857ad9fc3f81fb2d:
>
>   Merge upstream master into qemu-linaro (2012-07-16 15:04:16 +0100)
>
> are available in the git repository at:
>
>
>   git://git.linaro.org/people/rusty/qemu-linaro.git msr-ops
>
> for you to fetch changes up to caf1e8a68ceb6ffd485e96d2f05102b095dd69bd:
>
>   target-arm: kvm: use KVM_GET_MSRS/KVM_SET_MSRS for CP15 registers.
> (2012-07-25 15:37:44 +0930)
>
> ----------------------------------------------------------------
> Rusty Russell (3):
>       Local update of linux-headers/asm-arm/kvm.h
>       target-arm: kvm: use KVM_ARM_VCPU_INIT to set target to Cortex A15
>       target-arm: kvm: use KVM_GET_MSRS/KVM_SET_MSRS for CP15 registers.
>
>  linux-headers/asm-arm/kvm.h |   50 +++++++++++++++++++++++++++++-------
>  linux-headers/linux/kvm.h   |    3 +++
>  target-arm/kvm.c            |   60
> +++++++++++++++++++++++++++++++++----------
>  3 files changed, 91 insertions(+), 22 deletions(-)
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>

Hello,

I've been trying to get your msr-ops linux-kvm & qemu branches to work, but
so far I've not had any luck booting a guest. I'll nuke my setup and start
over tomorrow to make sure I don't have something broken. Are there any
known issues with the code so far?

Cheers,
Antonios

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