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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org __init_el2_debug configures mdcr_el2 at initialization based on, among other things, available hardware support. Trap deactivation doesn't check that, so keep the initial value. No functional change intended. However, the value of mdcr_el2 might be different after deactivating traps than it was before this patch. Signed-off-by: Fuad Tabba --- arch/arm64/kvm/hyp/nvhe/switch.c | 4 ---- arch/arm64/kvm/hyp/vhe/switch.c | 4 ---- 2 files changed, 8 deletions(-) diff --git a/arch/arm64/kvm/hyp/nvhe/switch.c b/arch/arm64/kvm/hyp/nvhe/switch.c index 2ea764a48958..1778593a08a9 100644 --- a/arch/arm64/kvm/hyp/nvhe/switch.c +++ b/arch/arm64/kvm/hyp/nvhe/switch.c @@ -90,10 +90,6 @@ static void __deactivate_traps(struct kvm_vcpu *vcpu) isb(); } - vcpu->arch.mdcr_el2_host &= MDCR_EL2_HPMN_MASK | - MDCR_EL2_E2PB_MASK << MDCR_EL2_E2PB_SHIFT | - MDCR_EL2_E2TB_MASK << MDCR_EL2_E2TB_SHIFT; - __deactivate_traps_common(vcpu); write_sysreg(this_cpu_ptr(&kvm_init_params)->hcr_el2, hcr_el2); diff --git a/arch/arm64/kvm/hyp/vhe/switch.c b/arch/arm64/kvm/hyp/vhe/switch.c index ec158fa41ae6..0d0c9550fb08 100644 --- a/arch/arm64/kvm/hyp/vhe/switch.c +++ b/arch/arm64/kvm/hyp/vhe/switch.c @@ -93,10 +93,6 @@ void activate_traps_vhe_load(struct kvm_vcpu *vcpu) void deactivate_traps_vhe_put(struct kvm_vcpu *vcpu) { - vcpu->arch.mdcr_el2_host &= MDCR_EL2_HPMN_MASK | - MDCR_EL2_E2PB_MASK << MDCR_EL2_E2PB_SHIFT | - MDCR_EL2_TPMS; - __deactivate_traps_common(vcpu); } -- 2.33.0.rc1.237.g0d66db33f3-goog _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel