From 8ccb2bc88636bb92e9f5f32d54c78c82a1a28957 Mon Sep 17 00:00:00 2001
From: Volodymyr Babchuk <volodymyr_babchuk@epam.com>
Date: Thu, 6 Jun 2019 11:11:14 +0200
Subject: [PATCH] makefile: add support for *_defconfig targets

Ease up XEN configuration for non-standard builds, like
armv8 tiny config.

Signed-off-by: Volodymyr Babchuk <volodymyr_babchuk@epam.com>
Acked-by: Jan Beulich <jbeulich@suse.com>
Acked-by: Julien Grall <julien.grall@arm.com>
---
 Makefile     | 4 ++++
 xen/Makefile | 2 +-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index 829ac63741..ef1ea44ef1 100644
--- a/Makefile
+++ b/Makefile
@@ -54,6 +54,10 @@ build: $(TARGS_BUILD)
 build-xen:
 	$(MAKE) -C xen build
 
+.PHONY: %_defconfig
+%_defconfig:
+	$(MAKE) -C xen $@
+
 .PHONY: build-tools
 build-tools: build-tools-public-headers
 	$(MAKE) -C tools build
diff --git a/xen/Makefile b/xen/Makefile
index 1fd8ad5116..c80914c31d 100644
--- a/xen/Makefile
+++ b/xen/Makefile
@@ -264,7 +264,7 @@ $(foreach base,arch/x86/mm/guest_walk_% \
 
 kconfig := silentoldconfig oldconfig config menuconfig defconfig \
 	nconfig xconfig gconfig savedefconfig listnewconfig olddefconfig \
-	randconfig
+	randconfig $(notdir $(wildcard arch/$(SRCARCH)/configs/*_defconfig))
 .PHONY: $(kconfig)
 $(kconfig):
 	$(MAKE) -f $(BASEDIR)/tools/kconfig/Makefile.kconfig ARCH=$(ARCH) SRCARCH=$(SRCARCH) HOSTCC="$(HOSTCC)" HOSTCXX="$(HOSTCXX)" $@
-- 
2.30.2