Xen devel - May 2006 - [PATCH] turn off b44 module on x86_64, it breaks the build

The attached patch turns off the b44 module on x86_64 xen kernel, as it
breaks the build.

Note, this was applied many moons ago, and reverted again at some point
later.

	-Sean

-- 
Sean Dague
IBM Linux Technology Center                     email: japh@us.ibm.com
Open Hypervisor Team                           alt: sldague@us.ibm.com



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On Fri, May 26, 2006 at 11:42:19AM -0400, Sean Dague
wrote:
> The attached patch turns off the b44 module on x86_64 xen kernel, as it
> breaks the build.
> 
> Note, this was applied many moons ago, and reverted again at some point
> later.
It would be really good if this patch was applied.  Default x84_64 builds of
xen break at the moment.  This patch (more or less) was originally applied
on March 27 as changeset 40c23921e7295650305c4e4db2480756e9b3e10c, but has
since been reverted.

	-Sean

-- 
Sean Dague
IBM Linux Technology Center                     email: japh@us.ibm.com
Open Hypervisor Team                           alt: sldague@us.ibm.com


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On 30 May 2006, at 13:23, Sean Dague wrote:
> It would be really good if this patch was applied.  Default x84_64 
> builds of
> xen break at the moment.  This patch (more or less) was originally 
> applied
> on March 27 as changeset 40c23921e7295650305c4e4db2480756e9b3e10c, but 
> has
> since been reverted.
How does it break the build? We build -xen kernels as part of automatic 
regression tests and haven''t seen any build failures.

  -- Keir


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On Tue, May 30, 2006 at 01:27:34PM +0100, Keir Fraser
wrote:
> 
> On 30 May 2006, at 13:23, Sean Dague wrote:
> 
> >It would be really good if this patch was applied.  Default x84_64 
> >builds of
> >xen break at the moment.  This patch (more or less) was originally 
> >applied
> >on March 27 as changeset 40c23921e7295650305c4e4db2480756e9b3e10c, but 
> >has
> >since been reverted.
> 
> How does it break the build? We build -xen kernels as part of automatic 
> regression tests and haven''t seen any build failures.
I get the following out of a ''make install'' from the
xen-unstable tree on
x86_64:

...
  INSTALL sound/usb/snd-usb-lib.ko
  INSTALL sound/usb/usx2y/snd-usb-usx2y.ko
if [ -r System.map -a -x /sbin/depmod ]; then /sbin/depmod -ae -F System.map
-b / -r 2.6.16.13-xen; fi
WARNING: //lib/modules/2.6.16.13-xen/kernel/drivers/net/b44.ko needs unknown
symbol dma_get_cache_alignment
make[3]: *** [_modinst_post] Error 1
make[3]: Leaving directory
`/home/sdague/xen-unstable-fresh/linux-2.6.16.13-xen''
make[2]: *** [build] Error 2
make[2]: Leaving directory `/home/sdague/xen-unstable-fresh''
make[1]: *** [linux-2.6-xen-install] Error 2
make[1]: Leaving directory `/home/sdague/xen-unstable-fresh''
make: *** [install-kernels] Error 1

Which thus is a broken build process.

Removal of the b44 module, which won''t work anyway given the unresolved
symbols, removes this failure on ''make install'', so it runs
through clean.

	-Sean

-- 
Sean Dague
IBM Linux Technology Center                     email: japh@us.ibm.com
Open Hypervisor Team                           alt: sldague@us.ibm.com


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> Removal of the b44 module, which won''t work anyway given the
unresolved
> symbols, removes this failure on ''make install'', so it
runs through clean.
Sean,

Please let me know whether the attached patch fixes this build
breakage for you.

 -- Keir



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