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[Qemu-devel] [PATCH 13/20] target-i386: test reserved PS bit on PML4Es


From: Paolo Bonzini
Subject: [Qemu-devel] [PATCH 13/20] target-i386: test reserved PS bit on PML4Es
Date: Tue, 27 May 2014 15:23:11 +0200

Signed-off-by: Paolo Bonzini <address@hidden>
---
 target-i386/helper.c | 3 +++
 1 file changed, 3 insertions(+)

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;
             }
-- 
1.8.3.1





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