x86/umip: Print UMIP line only once

... instead of issuing it per CPU and flooding dmesg unnecessarily.
Streamline the formulation, while at it.

Signed-off-by: Borislav Petkov <[email protected]>
Cc: "H. Peter Anvin" <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Ricardo Neri <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Link: https://lkml.kernel.org/r/[email protected]

diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index ffb181f959d2b221759b6c85deded0930f2ff3cc..2c56b8066280c6a8de18d6ecba9bba089bce0ed5 100644 (file)
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -353,7 +353,7 @@ 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");
+       pr_info_once("x86/cpu: Intel User Mode Instruction Prevention (UMIP) activated\n");
 
        return;