On Fri, 25 Aug 2006 15:44:58 -0700 Keith Mannthey wrote:
> On 8/25/06, Randy.Dunlap <[email protected]> wrote:
> > On Fri, 25 Aug 2006 14:43:50 +0900 KAMEZAWA Hiroyuki wrote:
> >
> > > On Thu, 24 Aug 2006 21:35:59 -0700
> > > "Randy.Dunlap" <[email protected]> wrote:
> > >
> > > > Hi,
> > > > I was just trying to reproduce that 'register_one_node'
> > > > build error (and couldn't even with the supplied .config file;
> > > > weird). Anyway, after I enabled CONFIG_NUMA (but not CONFIG_ACPI),
> > > > I got the following error message. Seems that some config
> > > > options should prevent this config from even being possible
> > > > to create. Any ideas or suggestions?
> > > >
> > > Hi, there are 2 ways.
> > >
> > > 1. allow only 2 configs for i386/NUMA
> > > - CONFIG_NUMA + CONFIG_ACPI + CONFIG_ACPI_SRAT
> > > - CONFIG_NUMA + CONFIG_X86_NUMAQ
> > > 2. allow this and fix include/asm-i386/mmzone.h
> > > - CONFIG_NUMA + !CONFIG_ACP
> > >
> > > Which is sane ?
> >
> > I really can't answer that one. The people who care about
> > NUMA would have to do that. It just shouldn't be possible
> > to make a config with a build error like this.
>
> I thought there was a patch fix a while ago to fix this build issue.
> If you want to anything that includes the SUMMIT sub arch you need
> CONFIG_ACPI_SRAT.
>
> Option 1 is a good solution as only NUMAQ and ACPI_SRAT have tables
> that are used to setup NUMA in the kernel.
>
> > OK, I prefer option 2 because it is more generic (not hardware-
> > specific). Someone else can prefer option 1 because it is
> > hardware-specific. :)
>
> I guess I am that other person. Really you only want/need NUMA if you
> have ACPI_SRAT (Summit) or NUMAQ.
That's fine. Any fix is OK with me, as long as a .config
won't generate a build error.
---
~Randy
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