[1/4] powerpc/pseries: Make PCI non-optional

Michael Ellerman mpe at ellerman.id.au
Thu Oct 15 22:10:54 AEDT 2015


On Thu, 2015-01-10 at 06:44:31 UTC, Michael Ellerman wrote:
> The pseries build with PCI=n looks to have been broken for at least 5
> years, and no one's noticed or cared.
> 
> Following the obvious breakages backward, the first commit I can find
> that builds is the parent of 2eb4afb69ff3 ("powerpc/pci: Move pseries
> code into pseries platform specific area") from April 2009.
> 
> A distro would never ship a PCI=n kernel, so it is only useful for folks
> building custom kernels. Also on KVM the virtio devices appear on PCI,
> so it would only be useful if you were building kernels specifically to
> run on PowerVM and with no PCI devices.
> 
> The added code complexity, and testing load (which we've clearly not
> been doing), is not justified by the small reduction in kernel size for
> such a niche use case.
> 
> So just make PCI non-optional on pseries.
> 
> Signed-off-by: Michael Ellerman <mpe at ellerman.id.au>

Series applied to powerpc next.

https://git.kernel.org/powerpc/c/4c9cd468b348c9e47f9380a5

cheers


More information about the Linuxppc-dev mailing list