linux-kernel - Re: [PATCH v5 0/6] mips/kvm: Fix ABI for compatibility with 64-bit guests.

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Message-Id: <1DD81AF9-D720-4A61-8468-1D61558C9BA1@kymasys.com>
Date:	Wed, 22 May 2013 12:05:52 -0700
From:	Sanjay Lal <sanjayl@...asys.com>
To:	David Daney <ddaney.cavm@...il.com>
Cc:	linux-mips@...ux-mips.org, ralf@...ux-mips.org,
	kvm@...r.kernel.org, Gleb Natapov <gleb@...hat.com>,
	linux-kernel@...r.kernel.org, David Daney <david.daney@...ium.com>
Subject: Re: [PATCH v5 0/6] mips/kvm: Fix ABI for compatibility with 64-bit guests.


On May 22, 2013, at 11:43 AM, David Daney wrote:

> From: David Daney <david.daney@...ium.com>
> 
> 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.
> 
> Changes from v4: No code change, just keep more of the code in
>                 kvm_mips.c rather than kvm_trap_emul.c
> 
> Changes 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         | 278 ++++++++++++++++++++++++++++++++++++---
> arch/mips/kvm/kvm_trap_emul.c    |  50 -------
> 4 files changed, 367 insertions(+), 102 deletions(-)
> 
> -- 
> 1.7.11.7

Acked-by: Sanjay Lal <sanjayl@...asys.com>

Regards
Sanjay

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