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authorRicardo Neri <ricardo.neri-calderon@linux.intel.com>2017-11-13 22:29:43 -0800
committerIngo Molnar <mingo@kernel.org>2017-11-14 08:38:09 +0100
commit770c77557757873808a474016a3cae4b37690cb2 (patch)
tree04e5990819a49a15dd754e5a472ea49174874fcc
parent796ebc81b9931bfa293b4ca38ae28c21a363f4d0 (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 <mingo@kernel.org> Signed-off-by: Ricardo Neri <ricardo.neri-calderon@linux.intel.com> Cc: Andy Lutomirski <luto@kernel.org> Cc: Borislav Petkov <bp@suse.de> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Ravi V. Shankar <ravi.v.shankar@intel.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Tony Luck <tony.luck@intel.com> Cc: ricardo.neri@intel.com 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 <mingo@kernel.org>
-rw-r--r--arch/x86/kernel/cpu/common.c2
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: