1 files changed, 0 insertions, 116 deletions
diff --git a/recipes-kernel/linux/linux-toradex-rt-4.9-2.3.x/002c.patch b/recipes-kernel/linux/linux-toradex-rt-4.9-2.3.x/002c.patch
deleted file mode 100644
index 27951a0..0000000
--- a/recipes-kernel/linux/linux-toradex-rt-4.9-2.3.x/002c.patch
+++ /dev/null
@@ -1,116 +0,0 @@
---- b/arch/x86/kernel/cpu/bugs.c
-+++ a/arch/x86/kernel/cpu/bugs.c
-@@ -61,7 +61,7 @@
- 	 * identify_boot_cpu() initialized SMT support information, let the
- 	 * core code know.
- 	 */
-+	cpu_smt_check_topology();
--	cpu_smt_check_topology_early();
- 
- 	if (!IS_ENABLED(CONFIG_SMP)) {
- 		pr_info("CPU: ");
---- b/include/linux/cpu.h
-+++ a/include/linux/cpu.h
-@@ -267,12 +267,10 @@
- #if defined(CONFIG_SMP) && defined(CONFIG_HOTPLUG_SMT)
- extern enum cpuhp_smt_control cpu_smt_control;
- extern void cpu_smt_disable(bool force);
--extern void cpu_smt_check_topology_early(void);
- extern void cpu_smt_check_topology(void);
- #else
- # define cpu_smt_control		(CPU_SMT_ENABLED)
- static inline void cpu_smt_disable(bool force) { }
--static inline void cpu_smt_check_topology_early(void) { }
- static inline void cpu_smt_check_topology(void) { }
- #endif
- 
---- b/kernel/cpu.c
-+++ a/kernel/cpu.c
-@@ -360,8 +360,6 @@
- enum cpuhp_smt_control cpu_smt_control __read_mostly = CPU_SMT_ENABLED;
- EXPORT_SYMBOL_GPL(cpu_smt_control);
- 
--static bool cpu_smt_available __read_mostly;
--
- void __init cpu_smt_disable(bool force)
- {
- 	if (cpu_smt_control == CPU_SMT_FORCE_DISABLED ||
-@@ -378,28 +376,14 @@
- 
- /*
-  * The decision whether SMT is supported can only be done after the full
-+ * CPU identification. Called from architecture code.
-- * CPU identification. Called from architecture code before non boot CPUs
-- * are brought up.
-  */
-+void __init cpu_smt_check_topology(void)
--void __init cpu_smt_check_topology_early(void)
- {
- 	if (!topology_smt_supported())
- 		cpu_smt_control = CPU_SMT_NOT_SUPPORTED;
- }
- 
--/*
-- * 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. cpu_smt_available is set to true during the bringup of non
-- * boot CPUs when a SMT sibling is detected. Note, this may overwrite
-- * cpu_smt_control's previous setting.
-- */
--void __init cpu_smt_check_topology(void)
--{
--	if (!cpu_smt_available)
--		cpu_smt_control = CPU_SMT_NOT_SUPPORTED;
--}
--
- static int __init smt_cmdline_disable(char *str)
- {
- 	cpu_smt_disable(str && !strcmp(str, "force"));
-@@ -409,18 +393,10 @@
- 
- static inline bool cpu_smt_allowed(unsigned int cpu)
- {
-+	if (cpu_smt_control == CPU_SMT_ENABLED)
--	if (topology_is_primary_thread(cpu))
- 		return true;
- 
-+	if (topology_is_primary_thread(cpu))
--	/*
--	 * If the CPU is not a 'primary' thread and the booted_once bit is
--	 * set then the processor has SMT support. Store this information
--	 * for the late check of SMT support in cpu_smt_check_topology().
--	 */
--	if (per_cpu(cpuhp_state, cpu).booted_once)
--		cpu_smt_available = true;
--
--	if (cpu_smt_control == CPU_SMT_ENABLED)
- 		return true;
- 
- 	/*
-@@ -2087,6 +2063,15 @@
- 
- 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);
- }
---- b/kernel/smp.c
-+++ a/kernel/smp.c
-@@ -564,8 +564,6 @@
- 			cpu_up(cpu);
- 	}
- 
--	/* Final decision about SMT support */
--	cpu_smt_check_topology();
- 	/* Any cleanup work */
- 	smp_announce();
- 	smp_cpus_done(setup_max_cpus);