On Mon, Mar 21, 2005 at 08:42:58PM -0800, Christoph Lameter wrote:
> > On Mon, 21 Mar 2005, Dean Nelson wrote:
> >
> > > Another step in the effort to eliminate the SN pda structure.
> > > This patch moves the cnodeid_to_nasid_table field out of the pda,
> > > making it a standalone per-cpu data item, and exports it so it can
> > > be accessed by kernel modules.
>
> Yuck something went wrong with the test. Turns out that I need a lot more
> definitions to make mmtimer a module since it uses the SHUB access macros.
> The following patch applies on top of Dean's patch:
You're missing a patch from Jack Steiner that basically does what you
are trying to do in this patch. Jack's patch can be found at:
http://lia64.bkbits.net:8080/linux-ia64-test-2.6.12
and is about 14 days old entitled:
[IA64-SGI] [PATCH 2/2] - New chipset support for SN platform
In this patch he moved the following fields out of the pda and into their
own per-cpu data structure called sn_hub_info_s, the pointer to which is
exported.
- u16 nasid_bitmask;
- u8 shub2;
- u8 nasid_shift;
- u8 as_shift;
- u8 shub_1_1_found;
I suggest you get that patch.
I'm also in the process of creating a patch to separate the nodepda from
the pda and export the phys_cpuid array of structures. This will allow
modules to use cpuid_to_nasid(cpuid).
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