Messages in this thread Patch in this message | | | Date | Tue, 14 Nov 2017 01:31:21 -0800 | From | tip-bot for Ricardo Neri <> | Subject | [tip:x86/urgent] x86/umip: Print a line in the boot log that UMIP has been enabled |
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Commit-ID: 770c77557757873808a474016a3cae4b37690cb2 Gitweb: https://git.kernel.org/tip/770c77557757873808a474016a3cae4b37690cb2 Author: Ricardo Neri <ricardo.neri-calderon@linux.intel.com> AuthorDate: Mon, 13 Nov 2017 22:29:43 -0800 Committer: Ingo Molnar <mingo@kernel.org> CommitDate: Tue, 14 Nov 2017 08:38:09 +0100
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> --- 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:
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