diff options
Diffstat (limited to 'recipes-kernel/linux/linux-toradex-rt-4.9-2.3.x/002f.patch')
-rw-r--r-- | recipes-kernel/linux/linux-toradex-rt-4.9-2.3.x/002f.patch | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/recipes-kernel/linux/linux-toradex-rt-4.9-2.3.x/002f.patch b/recipes-kernel/linux/linux-toradex-rt-4.9-2.3.x/002f.patch new file mode 100644 index 0000000..f50b1aa --- /dev/null +++ b/recipes-kernel/linux/linux-toradex-rt-4.9-2.3.x/002f.patch @@ -0,0 +1,42 @@ +--- b/include/linux/cpu.h ++++ a/include/linux/cpu.h +@@ -266,10 +266,8 @@ + + #if defined(CONFIG_SMP) && defined(CONFIG_HOTPLUG_SMT) + extern enum cpuhp_smt_control cpu_smt_control; +-extern void cpu_smt_disable(bool force); + #else + # define cpu_smt_control (CPU_SMT_ENABLED) +-static inline void cpu_smt_disable(bool force) { } + #endif + + #endif /* _LINUX_CPU_H_ */ +--- b/kernel/cpu.c ++++ a/kernel/cpu.c +@@ -360,23 +360,13 @@ + enum cpuhp_smt_control cpu_smt_control __read_mostly = CPU_SMT_ENABLED; + EXPORT_SYMBOL_GPL(cpu_smt_control); + ++static int __init smt_cmdline_disable(char *str) +-void __init cpu_smt_disable(bool force) + { ++ cpu_smt_control = CPU_SMT_DISABLED; ++ if (str && !strcmp(str, "force")) { +- if (cpu_smt_control == CPU_SMT_FORCE_DISABLED || +- cpu_smt_control == CPU_SMT_NOT_SUPPORTED) +- return; +- +- if (force) { + pr_info("SMT: Force disabled\n"); + cpu_smt_control = CPU_SMT_FORCE_DISABLED; +- } else { +- cpu_smt_control = CPU_SMT_DISABLED; + } +-} +- +-static int __init smt_cmdline_disable(char *str) +-{ +- cpu_smt_disable(str && !strcmp(str, "force")); + return 0; + } + early_param("nosmt", smt_cmdline_disable); |