We need to restore PDPE.U=1, similar to what the tests do after printing
the "Set SMEP in CR4 - expect #GP: FAIL" message.
Signed-off-by: Paolo Bonzini <pbonzini@xxxxxxxxxx>
---
x86/access.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/x86/access.c b/x86/access.c
index a0c19dc..11f561b 100644
--- a/x86/access.c
+++ b/x86/access.c
@@ -207,7 +207,7 @@ unsigned set_cr4_smep(int smep)
if (smep)
ptl2[2] &= ~PT_USER_MASK;
r = write_cr4_checking(cr4);
- if (!smep)
+ if (r || !smep)
ptl2[2] |= PT_USER_MASK;
return r;
}
--
1.8.3.1
