From 9e9c3fe40bcd28e3f98f0ad8408435f4503f2781 Mon Sep 17 00:00:00 2001 From: Nadav Amit Date: Sun, 12 Apr 2015 21:47:15 +0300 Subject: [PATCH] KVM: x86: Fix MSR_IA32_BNDCFGS in msrs_to_save kvm_init_msr_list is currently called before hardware_setup. As a result, vmx_mpx_supported always returns false when kvm_init_msr_list checks whether to save MSR_IA32_BNDCFGS. Move kvm_init_msr_list after vmx_hardware_setup is called to fix this issue. Signed-off-by: Nadav Amit Message-Id: <1428864435-4732-1-git-send-email-namit@cs.technion.ac.il> Cc: stable@vger.kernel.org # 3.15+ Signed-off-by: Paolo Bonzini --- arch/x86/kvm/x86.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index e1a81267f3f6..ed31c31b2485 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -5799,7 +5799,6 @@ int kvm_arch_init(void *opaque) kvm_set_mmio_spte_mask(); kvm_x86_ops = ops; - kvm_init_msr_list(); kvm_mmu_set_mask_ptes(PT_USER_MASK, PT_ACCESSED_MASK, PT_DIRTY_MASK, PT64_NX_MASK, 0); @@ -7253,7 +7252,14 @@ void kvm_arch_hardware_disable(void) int kvm_arch_hardware_setup(void) { - return kvm_x86_ops->hardware_setup(); + int r; + + r = kvm_x86_ops->hardware_setup(); + if (r != 0) + return r; + + kvm_init_msr_list(); + return 0; } void kvm_arch_hardware_unsetup(void) -- 2.39.2