diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 9df4ea1caaf1..e9641fe7f463 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -920,6 +920,10 @@ config VM86 XFree86 to initialize some video cards via BIOS. Disabling this option saves about 6k. +config X86_ESPFIX64 + def_bool y + depends on X86_64 + config TOSHIBA tristate "Toshiba Laptop support" depends on X86_32 diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile index 6d0b290eb731..9f15a46e9ccb 100644 --- a/arch/x86/kernel/Makefile +++ b/arch/x86/kernel/Makefile @@ -28,7 +28,7 @@ obj-$(CONFIG_X86_64) += sys_x86_64.o x8664_ksyms_64.o obj-y += syscall_$(BITS).o obj-$(CONFIG_X86_64) += vsyscall_64.o obj-$(CONFIG_X86_64) += vsyscall_emu_64.o -obj-$(CONFIG_X86_64) += espfix_64.o +obj-$(CONFIG_X86_ESPFIX64) += espfix_64.o obj-y += bootflag.o e820.o obj-y += pci-dma.o quirks.o topology.o kdebugfs.o obj-y += alternative.o i8253.o pci-nommu.o hw_breakpoint.o diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index 6759c499a620..d28c59588ad3 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -273,7 +273,7 @@ notrace static void __cpuinit start_secondary(void *unused) /* * Enable the espfix hack for this CPU */ -#ifdef CONFIG_X86_64 +#ifdef CONFIG_X86_ESPFIX64 init_espfix_ap(); #endif diff --git a/init/main.c b/init/main.c index 130442d16965..f30baf52f80b 100644 --- a/init/main.c +++ b/init/main.c @@ -606,7 +606,7 @@ asmlinkage void __init start_kernel(void) if (efi_enabled(EFI_RUNTIME_SERVICES)) efi_enter_virtual_mode(); #endif -#ifdef CONFIG_X86_64 +#ifdef CONFIG_X86_ESPFIX64 /* Should be run before the first non-init thread is created */ init_espfix_bsp(); #endif