3.18-stable review patch. If anyone has any objections, please let me know. ------------------ From: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx> commit de4619937229378e81f95e99c9866acc8e207d34 upstream. If "make kvmconfig" is run with "-j" option, a warning message, "jobserver unavailable: using -j1. Add `+' to parent make rule.", is displayed. $ make -s defconfig *** Default configuration is based on 'x86_64_defconfig' # # configuration written to .config # $ make -j8 kvmconfig Using ./.config as base Merging ./arch/x86/configs/kvm_guest.config [ snip ] # # merged configuration written to ./.config (needs make) # make[2]: warning: jobserver unavailable: using -j1. Add `+' to parent make rule. scripts/kconfig/conf --oldconfig Kconfig [ snip ] # # configuration written to .config # Signed-off-by: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx> Reviewed-by: Josh Triplett <josh@xxxxxxxxxxxxxxxx> Reviewed-by: Darren Hart <dvhart@xxxxxxxxxxxxxxx> Signed-off-by: Michal Marek <mmarek@xxxxxxx> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- scripts/kconfig/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/scripts/kconfig/Makefile +++ b/scripts/kconfig/Makefile @@ -110,7 +110,7 @@ define mergeconfig $(if $(wildcard $(objtree)/.config),, $(error You need an existing .config for this target)) $(if $(call configfiles,$(1)),, $(error No configuration exists for this target on this architecture)) $(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh -m -O $(objtree) $(objtree)/.config $(call configfiles,$(1)) -$(Q)yes "" | $(MAKE) -f $(srctree)/Makefile oldconfig ++$(Q)yes "" | $(MAKE) -f $(srctree)/Makefile oldconfig endef PHONY += kvmconfig