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Date: Mon, 08 Jul 2019 15:54:41 -0500
From: janani <janani@linux.ibm.com>
To: Claudio Carvalho <cclaudio@linux.ibm.com>
Subject: Re: [PATCH v4 8/8] KVM: PPC: Ultravisor: Check for MSR_S during
 hv_reset_msr
Organization: IBM
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Cc: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>,
 Michael Anderson <andmike@linux.ibm.com>, Ram Pai <linuxram@us.ibm.com>,
 kvm-ppc@vger.kernel.org, Bharata B Rao <bharata@linux.ibm.com>,
 linuxppc-dev@ozlabs.org, Ryan Grimm <grimm@linux.ibm.com>,
 Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>,
 Thiago Bauermann <bauerman@linux.ibm.com>,
 Anshuman Khandual <khandual@linux.vnet.ibm.com>
Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org
Sender: "Linuxppc-dev"
 <linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org>

On 2019-06-28 15:08, Claudio Carvalho wrote:
> From: Michael Anderson <andmike@linux.ibm.com>
> 
>  - Check for MSR_S so that kvmppc_set_msr will include it. Prior to 
> this
>    change return to guest would not have the S bit set.
> 
>  - Patch based on comment from Paul Mackerras <pmac@au1.ibm.com>
> 
> Signed-off-by: Michael Anderson <andmike@linux.ibm.com>
> Signed-off-by: Claudio Carvalho <cclaudio@linux.ibm.com>
> Acked-by: Paul Mackerras <paulus@ozlabs.org>
  Reviewed-by: Janani Janakiraman <janani@linux.ibm.com>
> ---
>  arch/powerpc/kvm/book3s_64_mmu_hv.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/arch/powerpc/kvm/book3s_64_mmu_hv.c
> b/arch/powerpc/kvm/book3s_64_mmu_hv.c
> index ab3d484c5e2e..ab62a66f9b4e 100644
> --- a/arch/powerpc/kvm/book3s_64_mmu_hv.c
> +++ b/arch/powerpc/kvm/book3s_64_mmu_hv.c
> @@ -295,6 +295,7 @@ static void
> kvmppc_mmu_book3s_64_hv_reset_msr(struct kvm_vcpu *vcpu)
>  		msr |= MSR_TS_S;
>  	else
>  		msr |= vcpu->arch.shregs.msr & MSR_TS_MASK;
> +	msr |= vcpu->arch.shregs.msr & MSR_S;
>  	kvmppc_set_msr(vcpu, msr);
>  }