Dongxiao Xu
2013-Dec-03 08:58 UTC
[PATCH] x86/hvm: remove the judgment on IDENT_PT for EMT
When trying to get the EPT EMT type, the judgment on
HVM_PARAM_IDENT_PT is not correct which always returns WB type if
the parameter is not set. Remove the related code.
Signed-off-by: Dongxiao Xu <dongxiao.xu@intel.com>
---
xen/arch/x86/hvm/mtrr.c | 3 ---
1 file changed, 3 deletions(-)
diff --git a/xen/arch/x86/hvm/mtrr.c b/xen/arch/x86/hvm/mtrr.c
index 4ff1e55..a796bd4 100644
--- a/xen/arch/x86/hvm/mtrr.c
+++ b/xen/arch/x86/hvm/mtrr.c
@@ -693,9 +693,6 @@ uint8_t epte_get_entry_emt(struct domain *d, unsigned long
gfn, mfn_t mfn,
((d->vcpu == NULL) || ((v = d->vcpu[0]) == NULL)) )
return MTRR_TYPE_WRBACK;
- if ( !v->domain->arch.hvm_domain.params[HVM_PARAM_IDENT_PT] )
- return MTRR_TYPE_WRBACK;
-
if ( !mfn_valid(mfn_x(mfn)) )
return MTRR_TYPE_UNCACHABLE;
--
1.7.9.5