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[PULL,26/33] target-i386: test reserved PS bit on PML4Es

Message ID 1401978143-11896-27-git-send-email-pbonzini@redhat.com
State New
Headers show

Commit Message

Paolo Bonzini June 5, 2014, 2:22 p.m. UTC 
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 target-i386/helper.c | 3 +++
 1 file changed, 3 insertions(+)
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Patch

diff --git a/target-i386/helper.c b/target-i386/helper.c
index a8e4088..787fbba 100644
--- a/target-i386/helper.c
+++ b/target-i386/helper.c
@@ -580,6 +580,9 @@  int x86_cpu_handle_mmu_fault(CPUState *cs, vaddr addr,
             if (!(pml4e & PG_PRESENT_MASK)) {
                 goto do_fault;
             }
+            if (pml4e & PG_PSE_MASK) {
+                goto do_fault_rsvd;
+            }
             if (!(env->efer & MSR_EFER_NXE) && (pml4e & PG_NX_MASK)) {
                 goto do_fault_rsvd;
             }