From: Nadav Amit Date: Sun, 12 Apr 2015 18:47:15 +0000 (+0300) Subject: KVM: x86: Fix MSR_IA32_BNDCFGS in msrs_to_save X-Git-Tag: v3.19.7~160 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=702a71cf592282298395b3359f49a9a985182934;p=thirdparty%2Fkernel%2Fstable.git KVM: x86: Fix MSR_IA32_BNDCFGS in msrs_to_save commit 9e9c3fe40bcd28e3f98f0ad8408435f4503f2781 upstream. 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 Signed-off-by: Greg Kroah-Hartman Message-Id: <1428864435-4732-1-git-send-email-namit@cs.technion.ac.il> Signed-off-by: Paolo Bonzini --- diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 64d76c1022306..5ec6a99695815 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -5781,7 +5781,6 @@ 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); @@ -7218,7 +7217,14 @@ 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)