kexec: create a new config option CONFIG_KEXEC_FILE for new syscall

[mirror_ubuntu-zesty-kernel.git] / arch / x86 / Makefile

diff --git a/arch/x86/Makefile b/arch/x86/Makefile
index c65fd9650467339ea848f6feb7f64eccc96a86f8..c96bcec544fcaeb5e44491fe077c655fba787987 100644 (file)
--- a/arch/x86/Makefile
+++ b/arch/x86/Makefile
@@ -183,6 +183,11 @@ archscripts: scripts_basic
 archheaders:
        $(Q)$(MAKE) $(build)=arch/x86/syscalls all
 
+archprepare:
+ifeq ($(CONFIG_KEXEC_FILE),y)
+       $(Q)$(MAKE) $(build)=arch/x86/purgatory arch/x86/purgatory/kexec-purgatory.c
+endif
+
 ###
 # Kernel objects