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-rw-r--r--recipes-kernel/linux/linux-toradex-rt-4.9-2.3.x/002d.patch18
1 files changed, 18 insertions, 0 deletions
diff --git a/recipes-kernel/linux/linux-toradex-rt-4.9-2.3.x/002d.patch b/recipes-kernel/linux/linux-toradex-rt-4.9-2.3.x/002d.patch
new file mode 100644
index 0000000..853223c
--- /dev/null
+++ b/recipes-kernel/linux/linux-toradex-rt-4.9-2.3.x/002d.patch
@@ -0,0 +1,18 @@
+--- b/kernel/cpu.c
++++ a/kernel/cpu.c
+@@ -2063,15 +2063,6 @@
+
+ static int __init cpu_smt_state_init(void)
+ {
+- /*
+- * If SMT was disabled by BIOS, detect it here, after the CPUs have
+- * been brought online. This ensures the smt/l1tf sysfs entries are
+- * consistent with reality. Note this may overwrite cpu_smt_control's
+- * previous setting.
+- */
+- if (topology_max_smt_threads() == 1)
+- cpu_smt_control = CPU_SMT_NOT_SUPPORTED;
+-
+ return sysfs_create_group(&cpu_subsys.dev_root->kobj,
+ &cpuhp_smt_attr_group);
+ }