[PATCH v4 8/8] KVM: PPC: Ultravisor: Check for MSR_S during hv_reset_msr

Claudio Carvalho cclaudio at linux.ibm.com
Sat Jun 29 06:08:25 AEST 2019


From: Michael Anderson <andmike at 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 at au1.ibm.com>

Signed-off-by: Michael Anderson <andmike at linux.ibm.com>
Signed-off-by: Claudio Carvalho <cclaudio at linux.ibm.com>
Acked-by: Paul Mackerras <paulus at ozlabs.org>
---
 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);
 }
 
-- 
2.20.1



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