[PATCH] PCI dev node without an OF node

Jimi Xenidis jimix at watson.ibm.com
Wed Oct 5 08:15:36 EST 2005


>>>>> "BH" == Benjamin Herrenschmidt <benh at kernel.crashing.org> writes:

 BH> On Tue, 2005-10-04 at 15:35 -0400, Jimi Xenidis wrote:
 >> Handing the pSeries_iommu*LP logic the device tree from a Maple-D results
 >> in PCI dev  nodes that do not have a corresponding OF node.

 BH> I'm not sure your patch is 100% correct, but then, we also shouldn't
 BH> have called pSeries_iommu.c code on Maple neither in the first place
 BH> unless you have put some kind of PAPR-like hypervisor on it (but still,
 BH> the Maple has no TCEs so it shouldn't call this code).

In our world of Xen/Hypervisor on Maple this is entirely possible for
the Dom0/Alpha-LPAR, where the HTAB and DART are controlled via PAPR
H_CALLS. :-)

-- 
 "I got an idea, an idea so smart my head would explode if I even
  began to know what I was talking about." -- Peter Griffin (Family Guy)




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