Messages in this thread Patch in this message | | | From | Ricardo Neri <> | Subject | [RESEND PATCH v2 2/4] x86/umip: Inform that UMIP has been enabled | Date | Mon, 13 Nov 2017 22:29:43 -0800 |
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Let us have an indication that this feature has been enabled.
Cc: Andy Lutomirski <luto@kernel.org> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Borislav Petkov <bp@suse.de> Cc: Tony Luck <tony.luck@intel.com> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Ravi V. Shankar <ravi.v.shankar@intel.com> Cc: x86@kernel.org Suggested-by: Ingo Molnar <mingo@kernel.org> Signed-off-by: Ricardo Neri <ricardo.neri-calderon@linux.intel.com> --- arch/x86/kernel/cpu/common.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c index 13ae9e5..fa998ca 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: -- 2.7.4
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