Re: [PATCH v2 2/2] x86/cpu/intel: Detect TME keyid bits before setting MTRR mask registers

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  static void early_init_intel(struct cpuinfo_x86 *c)
  {
  	u64 misc_enable;
@@ -322,6 +406,13 @@ static void early_init_intel(struct cpuinfo_x86 *c)
  	 */
  	if (detect_extended_topology_early(c) < 0)
  		detect_ht_early(c);
+
+	/*
+	 * Adjust the number of physical bits early because it affects the
+	 * valid bits of the MTRR mask registers.
+	 */
+	if (cpu_has(c, X86_FEATURE_TME))
+		detect_tme_early(c);
  }

early_init_intel() is also called by init_intel(), so IIUC for BSP detect_tme_early() will be called twice.

But this is no harm AFAICT, so:

Acked-by: Kai Huang <kai.huang@xxxxxxxxx>




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