[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] ARM build with v3.7-rc3 with CONFIG_XEN_GNTDEV=m
Hey Stefano, I setup a cross ARM build system so that the generic changes won't cause build issues on ARM (and actually caught a bug with fallback.o being enabled there - I've a fix for that). But more interestingly the build system I do also makes a variations of config entries. So there is the allmodules, allyes, allyes, but all Xen drivers are modules, etc. I found out that with: CONFIG_XEN_GNTDEV=m I get this ERROR: "HYPERVISOR_event_channel_op" [drivers/xen/xen-gntdev.ko] undefined! If I make it CONFIG_XEN_GNTDEV=y the issue disappears. Any thoughts? (FYI, if you want to do this on v3.7-rc4 please apply this patch to your tree) commit e1a982642262820d68779c06de64f8857a040f5a Author: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx> Date: Tue Nov 6 15:49:27 2012 -0500 xen/generic: Disable fallback build on ARM. As there is no need for it (the fallback code is for older hypervisors and they won't run under ARM), 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 Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx> diff --git a/drivers/xen/Makefile b/drivers/xen/Makefile index 46de6cd..273d2b9 100644 --- a/drivers/xen/Makefile +++ b/drivers/xen/Makefile @@ -1,8 +1,8 @@ ifneq ($(CONFIG_ARM),y) -obj-y += manage.o balloon.o +obj-y += manage.o balloon.o fallback.o obj-$(CONFIG_HOTPLUG_CPU) += cpu_hotplug.o endif -obj-y += grant-table.o features.o events.o fallback.o +obj-y += grant-table.o features.o events.o obj-y += xenbus/ nostackp := $(call cc-option, -fno-stack-protector) _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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