Re: [Xen-devel] Hypercalls from user-space

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Tue, 2010-10-05 at 23:37 +0100, Jeremy Fitzhardinge wrote:
> On 10/05/2010 03:09 PM, Keir Fraser wrote:
> > /proc/xen/privcmd should be available in domU as well. You might need to
> > enable some dom0 build config options to get it though.
> 
> xenfs doesn't init privcmd on non-privileged kernels.
> 
> Srujan, this should be enough to enable it in domU:

I see you fixed this properly in 66d850da but I think you also need the
following:


Subject: build privcmd for domU now that it is exposed

Fixes build error introduced in 66d850da "xen/privcmd: make privcmd
visible in domU"

drivers/built-in.o:(.data+0xd44): undefined reference to `privcmd_file_ops'
make[1]: *** [.tmp_vmlinux1] Error 1
make: *** [sub-make] Error 2

Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>

diff --git a/drivers/xen/xenfs/Makefile b/drivers/xen/xenfs/Makefile
index 4a0be9a..4fde944 100644
--- a/drivers/xen/xenfs/Makefile
+++ b/drivers/xen/xenfs/Makefile
@@ -1,4 +1,4 @@
 obj-$(CONFIG_XENFS) += xenfs.o
 
-xenfs-y                          = super.o xenbus.o
-xenfs-$(CONFIG_XEN_DOM0) += xenstored.o privcmd.o
+xenfs-y                          = super.o xenbus.o privcmd.o
+xenfs-$(CONFIG_XEN_DOM0) += xenstored.o



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