Re: [Xen-devel] The most recent attempt to build 2.6.29-rc8

[M A Young <m.a.young@xxxxxxxxxxxx>]

On Sun, 22 Mar 2009, M A Young wrote:

> I suspect that if you checked the .config file, on both these last two you 
> would have found that it contained CONFIG_XEN_XENBUS_FRONTEND=m, which is 
> what I found when I tried it just now, which means that something is 
> resetting the value.
And to answer my own implied question, XEN_XENBUS_FRONTEND is set 
automatically to whatever the larger of XEN_BLKDEV_FRONTEND (in 
drivers/block/Kconfig) or NETXEN_NIC (in drivers/net/Kconfig) is via the 
select command. Comparing this with the code and Makefiles, this is 
correct for XEN_BLKDEV_FRONTEND, but NETXEN_NIC has no direct requirement 
for XEN_XENBUS_FRONTEND (though it should require 
XEN_NETDEV_FRONTEND). Also XEN_KBDDEV_FRONTEND (in drivers/input/Kconfig), 
XEN_NETDEV_FRONTEND (in drivers/net/Kconfig) and CONFIG_XEN_FBDEV_FRONTEND 
(in drivers/video/Kconfig) should all select XEN_XENBUS_FRONTEND to set 
the value of this field correctly.
        Michael Young

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