[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Xen-devel] RE: [Xen-changelog] [xen-unstable] hvm: Sync SVM CR4 handling with VMX.
> diff -r 5eec9a8825d4 -r 87d34c8c2fe1 xen/include/asm-x86/hvm/hvm.h
> --- a/xen/include/asm-x86/hvm/hvm.h Wed Jun 27 20:08:21 2007 +0100
> +++ b/xen/include/asm-x86/hvm/hvm.h Wed Jun 27 20:17:54 2007 +0100
> @@ -302,10 +302,17 @@ static inline int hvm_event_injection_fa
> return hvm_funcs.event_injection_faulted(v);
> -/* These bits in the CR4 are owned by the host */
> +/* These bits in CR4 are owned by the host. */
> #define HVM_CR4_HOST_MASK (mmu_cr4_features & \
> (X86_CR4_VMXE | X86_CR4_PAE | X86_CR4_MCE))
VMXE is only for Intel, so being very picky, it shouldn't be in a HVM
I don't think it's a problem as, I doubt very much that AMD would use
this bit for anything in the future, as Intel has "occupied it", and
we're using a different way to enable SVM.
Xen-devel mailing list