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-rw-r--r--arch/x86/kernel/cpu/intel.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c
index c050cd6066af..401e8c133108 100644
--- a/arch/x86/kernel/cpu/intel.c
+++ b/arch/x86/kernel/cpu/intel.c
@@ -301,6 +301,13 @@ static void early_init_intel(struct cpuinfo_x86 *c)
}
check_mpx_erratum(c);
+
+ /*
+ * Get the number of SMT siblings early from the extended topology
+ * leaf, if available. Otherwise try the legacy SMT detection.
+ */
+ if (detect_extended_topology_early(c) < 0)
+ detect_ht_early(c);
}
#ifdef CONFIG_X86_32