diff options
| author | Ricardo Neri <[email protected]> | 2017-11-13 22:29:43 -0800 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2017-11-14 08:38:09 +0100 |
| commit | 770c77557757873808a474016a3cae4b37690cb2 (patch) | |
| tree | 04e5990819a49a15dd754e5a472ea49174874fcc | |
| parent | 796ebc81b9931bfa293b4ca38ae28c21a363f4d0 (diff) | |
x86/umip: Print a line in the boot log that UMIP has been enabled
Indicate that this feature has been enabled.
Suggested-by: Ingo Molnar <[email protected]>
Signed-off-by: Ricardo Neri <[email protected]>
Cc: Andy Lutomirski <[email protected]>
Cc: Borislav Petkov <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Paolo Bonzini <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Ravi V. Shankar <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: Tony Luck <[email protected]>
Cc: [email protected]
Link: http://lkml.kernel.org/r/1510640985-18412-3-git-send-email-ricardo.neri-calderon@linux.intel.com
[ Changelog tweaks. ]
Signed-off-by: Ingo Molnar <[email protected]>
| -rw-r--r-- | arch/x86/kernel/cpu/common.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c index 13ae9e5eec2f..fa998ca8aa5a 100644 --- a/arch/x86/kernel/cpu/common.c +++ b/arch/x86/kernel/cpu/common.c @@ -341,6 +341,8 @@ static __always_inline void setup_umip(struct cpuinfo_x86 *c) cr4_set_bits(X86_CR4_UMIP); + pr_info("x86/cpu: Activated the Intel User Mode Instruction Prevention (UMIP) CPU feature\n"); + return; out: |