From: Bharat Bhushan Date: Wed, 6 Aug 2014 06:38:53 +0000 (+0530) Subject: KVM: PPC: BOOKE: Allow guest to change MSR_DE X-Git-Tag: android-x86-4.4-r2~367^2~5^2~21 X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=37277b1129de84024f1f427da7bf25aabccf835e;p=android-x86%2Fkernel.git KVM: PPC: BOOKE: Allow guest to change MSR_DE This patch changes the default behavior of MSRP_DEP, that is guest is not allowed to change the MSR_DE, to guest can change MSR_DE. When userspace is debugging guest then it override the default behavior and set MSRP_DEP. This stops guest to change MSR_DE when userspace is debugging guest. Signed-off-by: Bharat Bhushan Signed-off-by: Alexander Graf --- diff --git a/arch/powerpc/kvm/e500mc.c b/arch/powerpc/kvm/e500mc.c index 164bad2a19bf..000cf8242e7d 100644 --- a/arch/powerpc/kvm/e500mc.c +++ b/arch/powerpc/kvm/e500mc.c @@ -194,7 +194,7 @@ int kvmppc_core_vcpu_setup(struct kvm_vcpu *vcpu) #ifdef CONFIG_64BIT vcpu->arch.shadow_epcr |= SPRN_EPCR_ICM; #endif - vcpu->arch.shadow_msrp = MSRP_UCLEP | MSRP_DEP | MSRP_PMMP; + vcpu->arch.shadow_msrp = MSRP_UCLEP | MSRP_PMMP; vcpu->arch.eplc = EPC_EGS | (vcpu->kvm->arch.lpid << EPC_ELPID_SHIFT); vcpu->arch.epsc = vcpu->arch.eplc;