Re: [PATCH 0/3] KVM: MIPS: Miscellaneous 4.9 fixes

[Paolo Bonzini <pbonzini@redhat.com>]

On 25/10/2016 17:08, James Hogan wrote:
> A few more fixes intended for v4.9. Patches 2 & 3 are tagged for stable.
> 
> - The first fixes lazy user ASID regeneration which was introduced in
>   4.9-rc1 and still wasn't quite right for SMP hosts.
> 
> - The second is a minor incorrect behaviour in ERET emulation when both
>   ERL and EXL are set (i.e. unlikely to hit in practice), which has been
>   wrong since MIPS KVM was added in v3.10.
> 
> - The third fixes a slightly risky completion of an MMIO load in branch
>   delay slot, where it'll try and read guest code outside of the proper
>   context. Currently we should only be able to hit this if the MMIO load
>   in branch delay slot is in guest TLB mapped (i.e. kernel module) code.
> 
> Cc: Paolo Bonzini <pbonzini@redhat.com>
> Cc: "Radim Krčmář" <rkrcmar@redhat.com>
> Cc: Ralf Baechle <ralf@linux-mips.org>
> Cc: linux-mips@linux-mips.org
> Cc: kvm@vger.kernel.org
> Cc: stable@vger.kernel.org
> 
> James Hogan (3):
>   KVM: MIPS: Fix lazy user ASID regenerate for SMP
>   KVM: MIPS: Make ERET handle ERL before EXL
>   KVM: MIPS: Precalculate MMIO load resume PC
> 
>  arch/mips/include/asm/kvm_host.h |  7 ++++---
>  arch/mips/kvm/emulate.c          | 32 +++++++++++++++++++-------------
>  arch/mips/kvm/mips.c             |  5 ++++-
>  arch/mips/kvm/mmu.c              |  4 ----
>  4 files changed, 27 insertions(+), 21 deletions(-)
> 

Applied to kvm/master, thanks.