From: Jack Lange Date: Thu, 21 Apr 2011 19:18:54 +0000 (-0500) Subject: fixed vmcs guest pointer check location X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?p=palacios.git;a=commitdiff_plain;h=8f8feb4e743fa906919d43acc1e2013638837162 fixed vmcs guest pointer check location --- diff --git a/palacios/src/palacios/vmx.c b/palacios/src/palacios/vmx.c index f6a6a0b..2c6b573 100644 --- a/palacios/src/palacios/vmx.c +++ b/palacios/src/palacios/vmx.c @@ -641,6 +641,13 @@ int v3_vmx_enter(struct guest_info * info) { // disable global interrupts for vm state transition v3_disable_ints(); + + if (active_vmcs_ptrs[V3_Get_CPU()] != vmx_info->vmcs_ptr_phys) { + vmcs_load(vmx_info->vmcs_ptr_phys); + active_vmcs_ptrs[V3_Get_CPU()] = vmx_info->vmcs_ptr_phys; + } + + v3_vmx_restore_vmcs(info); @@ -666,10 +673,6 @@ int v3_vmx_enter(struct guest_info * info) { check_vmcs_write(VMCS_TSC_OFFSET_HIGH, tsc_offset_high); check_vmcs_write(VMCS_TSC_OFFSET, tsc_offset_low); - if (active_vmcs_ptrs[V3_Get_CPU()] != vmx_info->vmcs_ptr_phys) { - vmcs_load(vmx_info->vmcs_ptr_phys); - active_vmcs_ptrs[V3_Get_CPU()] = vmx_info->vmcs_ptr_phys; - } if (vmx_info->state == VMX_UNLAUNCHED) { vmx_info->state = VMX_LAUNCHED; @@ -839,6 +842,12 @@ int v3_is_vmx_capable() { } static int has_vmx_nested_paging() { + /* We assume that both EPT and unrestricted guest mode (Intel's Virtual Real Mode) + * are mutually assured. i.e. We have either both or neither. + */ + + + return 0; }