diff options
Diffstat (limited to 'target-i386')
| -rw-r--r-- | target-i386/helper.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/target-i386/helper.c b/target-i386/helper.c index 2b917ad28d..04beaebc98 100644 --- a/target-i386/helper.c +++ b/target-i386/helper.c @@ -749,8 +749,10 @@ do_check_protect_pse36: /* the page can be put in the TLB */ prot = PAGE_READ; - if (!(ptep & PG_NX_MASK)) + if (!(ptep & PG_NX_MASK) && + !((env->cr[4] & CR4_SMEP_MASK) && (ptep & PG_USER_MASK))) { prot |= PAGE_EXEC; + } if (pte & PG_DIRTY_MASK) { /* only set write access if already dirty... otherwise wait for dirty access */ |