From: Borislav Petkov <[email protected]> It is used only in intel.c, drop the CONFIG_HOTPLUG_CPU ifdeffery from the header and turn it into a void function because its return value wasn't being used anyway.
No functionality change. Signed-off-by: Borislav Petkov <[email protected]> --- arch/x86/include/asm/microcode_intel.h | 5 ----- arch/x86/kernel/cpu/microcode/intel.c | 15 ++++++--------- 2 files changed, 6 insertions(+), 14 deletions(-) diff --git a/arch/x86/include/asm/microcode_intel.h b/arch/x86/include/asm/microcode_intel.h index 603417f8dd6c..5e69154c9f07 100644 --- a/arch/x86/include/asm/microcode_intel.h +++ b/arch/x86/include/asm/microcode_intel.h @@ -70,9 +70,4 @@ static inline int __init save_microcode_in_initrd_intel(void) { return -EINVAL; static inline void reload_ucode_intel(void) {} #endif -#ifdef CONFIG_HOTPLUG_CPU -extern int save_mc_for_early(u8 *mc); -#else -static inline int save_mc_for_early(u8 *mc) { return 0; } -#endif #endif /* _ASM_X86_MICROCODE_INTEL_H */ diff --git a/arch/x86/kernel/cpu/microcode/intel.c b/arch/x86/kernel/cpu/microcode/intel.c index b5759a3f0aa8..359e2034b558 100644 --- a/arch/x86/kernel/cpu/microcode/intel.c +++ b/arch/x86/kernel/cpu/microcode/intel.c @@ -456,8 +456,6 @@ static void show_saved_mc(void) #endif } -#ifdef CONFIG_HOTPLUG_CPU -static DEFINE_MUTEX(x86_cpu_microcode_mutex); /* * Save this mc into mc_saved_data. So it will be loaded early when a CPU is * hot added or resumes. @@ -465,14 +463,16 @@ static DEFINE_MUTEX(x86_cpu_microcode_mutex); * Please make sure this mc should be a valid microcode patch before calling * this function. */ -int save_mc_for_early(u8 *mc) +static void save_mc_for_early(u8 *mc) { +#ifdef CONFIG_HOTPLUG_CPU + static DEFINE_MUTEX(x86_cpu_microcode_mutex); + struct microcode_intel *mc_saved_tmp[MAX_UCODE_COUNT]; unsigned int mc_saved_count_init; unsigned int num_saved; struct microcode_intel **mc_saved; - int ret = 0; - int i; + int ret, i; /* * Hold hotplug lock so mc_saved_data is not accessed by a CPU in @@ -515,11 +515,8 @@ int save_mc_for_early(u8 *mc) out: mutex_unlock(&x86_cpu_microcode_mutex); - - return ret; -} -EXPORT_SYMBOL_GPL(save_mc_for_early); #endif +} static bool __init load_builtin_intel_microcode(struct cpio_data *cp) { -- 2.7.3
