x86: don't build guest-walk code without HVM and SHADOW_PAGING

It's dead code in that case.

We could go further, as we don't really need the 2- and 3-level walk
code in PV mode, but to drop their compilation requires quite a bit of
disentangling of shadow mode code.

Signed-off-by: Jan Beulich <jbeulich@suse.com>
Acked-by: Andrew Cooper <andrew.cooper3@citrix.com>
Reviewed-by: Wei Liu <wei.liu2@citrix.com>

diff --git a/xen/arch/x86/mm/Makefile b/xen/arch/x86/mm/Makefile
index 171cc7444484f0278299794328b54f7a6759e05a..5a17646f988c000143113215a6ee759fd39f74cd 100644 (file)
--- a/xen/arch/x86/mm/Makefile
+++ b/xen/arch/x86/mm/Makefile
@@ -2,9 +2,8 @@ subdir-y += shadow
 subdir-$(CONFIG_HVM) += hap
 
 obj-$(CONFIG_HVM) += altp2m.o
-obj-y += guest_walk_2.o
-obj-y += guest_walk_3.o
-obj-y += guest_walk_4.o
+obj-$(CONFIG_HVM) += guest_walk_2.o guest_walk_3.o guest_walk_4.o
+obj-$(CONFIG_SHADOW_PAGING) += guest_walk_2.o guest_walk_3.o guest_walk_4.o
 obj-$(CONFIG_MEM_ACCESS) += mem_access.o
 obj-y += mem_paging.o
 obj-y += mem_sharing.o