Re: [PATCH v4 0/6] mips/kvm: Fix ABI for compatibility with 64-bitguests.

[Gleb Natapov]

On Tue, May 21, 2013 at 01:54:49PM -0700, David Daney wrote:
> From: David Daney <david.daney@xxxxxxxxxx>
> 
> The initial patch set implementing MIPS KVM does not handle 64-bit
> guests or use of the FPU.  This patch set corrects these ABI issues,
> and does some very minor clean up.
> 
Sanjay, is this looks good to you. 

What userspace MIPS is using for machine emulation? Is there corresponding
patches to the userspace?

> Chandes from v3: Use KVM_SET_ONE_REG instead of KVM_SET_MSRS.  Added
>                  ENOIOCTLCMD patch.
> 
> Changes from v2: Split into five parts, no code change.
> 
> David Daney (6):
>   mips/kvm: Fix ABI for use of FPU.
>   mips/kvm: Fix ABI for use of 64-bit registers.
>   mips/kvm: Fix name of gpr field in struct kvm_regs.
>   mips/kvm: Use ARRAY_SIZE() instead of hardcoded constants in
>     kvm_arch_vcpu_ioctl_{s,g}et_regs
>   mips/kvm: Fix ABI by moving manipulation of CP0 registers to
>     KVM_{G,S}ET_ONE_REG
>   mips/kvm: Use ENOIOCTLCMD to indicate unimplemented ioctls.
> 
>  arch/mips/include/asm/kvm.h      | 137 ++++++++++++----
>  arch/mips/include/asm/kvm_host.h |   4 -
>  arch/mips/kvm/kvm_mips.c         | 118 +++-----------
>  arch/mips/kvm/kvm_trap_emul.c    | 338 ++++++++++++++++++++++++++++++++++-----
>  4 files changed, 430 insertions(+), 167 deletions(-)
> 
> -- 
> 1.7.11.7

--
			Gleb.
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