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



M A Young wrote:
On Wed, 25 Mar 2009, M A Young wrote:

On Wed, 25 Mar 2009, Jeremy Fitzhardinge wrote:

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

Yes, i've noticed also that after build completed

CONFIG_XEN_XENBUS_FRONTEND
gets reset to "m"
I think the attached patch fixes the XEN_XENBUS_FRONTEND 
configuration dependencies.
(This patch was full of ^M's)
That's strange because it wasn't when I sent it. I wonder if it got 
mangled in-transit.
Unfortunately this didn't help me; it still ended up making this 'm', which doesn't work. The simple fix is, I think, to make this a "bool", so it gets built in. Its not really big enough to bother with.
I have been using XEN_XENBUS_FRONTEND=m on some of my kernels so it 
didn't cause me a problem, though of course if any of the dependent 
modules were "y" then that would indeed be incorrect. I did have an 
alternate way of doing it that I could try.
I should probably have said that the alternate idea was to remove the 
selects, then make XEN_XENBUS_FRONTEND default y and depends on 
XEN_FBDEV_FRONTEND || XEN_NETDEV_FRONTEND || XEN_BLKDEV_FRONTEND || 
XEN_KBDDEV_FRONTEND
Doesn't scale very well as we add more frontends though.

I don't see a huge benefit in making it separately compilable anyway; it's pretty small, and I can't think of much plausible use for a Xen kernel without frontends. (On the other hand, making all of xenbus a single module might be useful, so that a non-Xen boot doesn't have to carry it.)
   J

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