[PATCHv2] 14/27] build: convert HAS_KEXEC use to Kconfig

[Doug Goldstein <cardoe@cardoe.com>]

Use the Kconfig generated CONFIG_HAS_KEXEC defines in the code base.

Signed-off-by: Doug Goldstein <cardoe@cardoe.com>

CC: Keir Fraser <keir@xen.org>
CC: Jan Beulich <jbeulich@suse.com>
CC: Andrew Cooper <andrew.cooper3@citrix.com>
Signed-off-by: Doug Goldstein <cardoe@cardoe.com>
---
 xen/Rules.mk          | 2 +-
 xen/arch/x86/Kconfig  | 1 +
 xen/arch/x86/Rules.mk | 1 -
 xen/common/Kconfig    | 4 ++++
 4 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/xen/Rules.mk b/xen/Rules.mk
index c2a3e15..4d90aca 100644
--- a/xen/Rules.mk
+++ b/xen/Rules.mk
@@ -68,7 +68,7 @@ ifneq ($(max_phys_irqs),)
 CFLAGS-y                += -DMAX_PHYS_IRQS=$(max_phys_irqs)
 endif
 
-CONFIG_KEXEC-$(HAS_KEXEC) := $(kexec)
+CONFIG_KEXEC-$(CONFIG_HAS_KEXEC) := $(kexec)
 CONFIG_KEXEC              := $(CONFIG_KEXEC-y)
 
 CFLAGS-$(CONFIG_KEXEC)  += -DCONFIG_KEXEC
diff --git a/xen/arch/x86/Kconfig b/xen/arch/x86/Kconfig
index e00fd2e..8b2e024 100644
--- a/xen/arch/x86/Kconfig
+++ b/xen/arch/x86/Kconfig
@@ -13,6 +13,7 @@ config X86
 	select HAS_NS16550
 	select HAS_GDBSX
 	select HAS_PDX
+	select HAS_KEXEC
 
 config ARCH_DEFCONFIG
 	string
diff --git a/xen/arch/x86/Rules.mk b/xen/arch/x86/Rules.mk
index 9900c44..c814a78 100644
--- a/xen/arch/x86/Rules.mk
+++ b/xen/arch/x86/Rules.mk
@@ -2,7 +2,6 @@
 # x86-specific definitions
 
 HAS_EHCI := y
-HAS_KEXEC := y
 HAS_CORE_PARKING := y
 xenoprof := y
 
diff --git a/xen/common/Kconfig b/xen/common/Kconfig
index b429a64..6987e84 100644
--- a/xen/common/Kconfig
+++ b/xen/common/Kconfig
@@ -9,6 +9,10 @@ config HAS_DEVICE_TREE
 config HAS_PDX
 	bool
 
+# Select HAS_KEXEC if kexec is supported
+config HAS_KEXEC
+	bool
+
 # Select HAS_GDBSX if GDBSX is supported
 config HAS_GDBSX
 	bool
-- 
2.4.10