diff options
Diffstat (limited to 'usr/src/uts/i86pc/os/mlsetup.c')
| -rw-r--r-- | usr/src/uts/i86pc/os/mlsetup.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/usr/src/uts/i86pc/os/mlsetup.c b/usr/src/uts/i86pc/os/mlsetup.c index 105c5c3363..0fd3ec3dfb 100644 --- a/usr/src/uts/i86pc/os/mlsetup.c +++ b/usr/src/uts/i86pc/os/mlsetup.c @@ -267,8 +267,14 @@ mlsetup(struct regs *rp) if (is_x86_feature(x86_featureset, X86FSET_TSCP)) (void) wrmsr(MSR_AMD_TSCAUX, 0); + /* + * Let's get the other %cr4 stuff while we're here. + */ if (is_x86_feature(x86_featureset, X86FSET_DE)) setcr4(getcr4() | CR4_DE); + + if (is_x86_feature(x86_featureset, X86FSET_SMEP)) + setcr4(getcr4() | CR4_SMEP); #endif /* __xpv */ /* |