[PATCH 1/2] xen/generic: Disable fallback build on ARM.

[Konrad Rzeszutek Wilk]

As there is no need for it (the fallback code is for older
hypervisors and they only run under x86), and also b/c
we get:

drivers/xen/fallback.c: In function 'xen_event_channel_op_compat':
drivers/xen/fallback.c:10:19: error: storage size of 'op' isn't known
drivers/xen/fallback.c:15:2: error: implicit declaration of function '_hypercall1' [-Werror=implicit-function-declaration]
drivers/xen/fallback.c:15:19: error: expected expression before 'int'
drivers/xen/fallback.c:18:7: error: 'EVTCHNOP_close' undeclared (first use in this function)
drivers/xen/fallback.c:18:7: note: each undeclared identifier is reported only once for each function it appears in
.. and more

[v1: Moved the enablement to be covered by CONFIG_X86 per Ian's suggestion]
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
---
 drivers/xen/Makefile |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/drivers/xen/Makefile b/drivers/xen/Makefile
index 46de6cd..7435470 100644
--- a/drivers/xen/Makefile
+++ b/drivers/xen/Makefile
@@ -2,7 +2,8 @@ ifneq ($(CONFIG_ARM),y)
 obj-y	+= manage.o balloon.o
 obj-$(CONFIG_HOTPLUG_CPU)		+= cpu_hotplug.o
 endif
-obj-y	+= grant-table.o features.o events.o fallback.o
+obj-$(CONFIG_X86)			+= fallback.o
+obj-y	+= grant-table.o features.o events.o
 obj-y	+= xenbus/
 
 nostackp := $(call cc-option, -fno-stack-protector)
-- 
1.7.7.6


> 
> Jan
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