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-rw-r--r--kernel/cpu.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/kernel/cpu.c b/kernel/cpu.c
index e1de463a90f2..8a2ad1587280 100644
--- a/kernel/cpu.c
+++ b/kernel/cpu.c
@@ -374,6 +374,16 @@ void __init cpu_smt_disable(bool force)
}
}
+/*
+ * The decision whether SMT is supported can only be done after the full
+ * CPU identification. Called from architecture code.
+ */
+void __init cpu_smt_check_topology(void)
+{
+ if (!topology_smt_supported())
+ cpu_smt_control = CPU_SMT_NOT_SUPPORTED;
+}
+
static int __init smt_cmdline_disable(char *str)
{
cpu_smt_disable(str && !strcmp(str, "force"));
@@ -2053,9 +2063,6 @@ static const struct attribute_group cpuhp_smt_attr_group = {
static int __init cpu_smt_state_init(void)
{
- if (!topology_smt_supported())
- cpu_smt_control = CPU_SMT_NOT_SUPPORTED;
-
return sysfs_create_group(&cpu_subsys.dev_root->kobj,
&cpuhp_smt_attr_group);
}