Re: [PATCH] KVM: nVMX: Trap unconditionally if msr bitmap access fails

2013-02-18 Thread Marcelo Tosatti
On Sun, Feb 17, 2013 at 10:56:36AM +0200, Gleb Natapov wrote: On Thu, Feb 14, 2013 at 07:46:27PM +0100, Jan Kiszka wrote: This avoids basing decisions on uninitialized variables, potentially leaking kernel data to the L1 guest. Signed-off-by: Jan Kiszka jan.kis...@siemens.com

Re: [PATCH] KVM: nVMX: Trap unconditionally if msr bitmap access fails

2013-02-17 Thread Gleb Natapov
On Thu, Feb 14, 2013 at 07:46:27PM +0100, Jan Kiszka wrote: This avoids basing decisions on uninitialized variables, potentially leaking kernel data to the L1 guest. Signed-off-by: Jan Kiszka jan.kis...@siemens.com Reviewed-by: Gleb Natapov g...@redhat.com --- arch/x86/kvm/vmx.c |3

[PATCH] KVM: nVMX: Trap unconditionally if msr bitmap access fails

2013-02-14 Thread Jan Kiszka
This avoids basing decisions on uninitialized variables, potentially leaking kernel data to the L1 guest. Signed-off-by: Jan Kiszka jan.kis...@siemens.com --- arch/x86/kvm/vmx.c |3 ++- 1 files changed, 2 insertions(+), 1 deletions(-) diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c