add correct caching behavior to VMX EPT environments

[palacios.git] / palacios / src / palacios / vmx.c

diff --git a/palacios/src/palacios/vmx.c b/palacios/src/palacios/vmx.c
index c341982..833d08e 100644 (file)
--- a/palacios/src/palacios/vmx.c
+++ b/palacios/src/palacios/vmx.c
@@ -419,8 +419,10 @@ static int init_vmcs_bios(struct guest_info * core, struct vmx_data * vmx_state)
        // Cause VM_EXIT whenever the CR4.VMXE bit is set
        vmx_ret |= check_vmcs_write(VMCS_CR4_MASK, CR4_VMXE);
 #define CR0_NE 0x00000020
-       vmx_ret |= check_vmcs_write(VMCS_CR0_MASK, CR0_NE);
+#define CR0_CD 0x40000000
+       vmx_ret |= check_vmcs_write(VMCS_CR0_MASK, CR0_NE | CR0_CD);
        ((struct cr0_32 *)&(core->shdw_pg_state.guest_cr0))->ne = 1;
+       ((struct cr0_32 *)&(core->shdw_pg_state.guest_cr0))->cd = 0;
 
        if (v3_init_ept(core, &hw_info) == -1) {
            PrintError("Error initializing EPT\n");