Messages in this thread | | | From | Bjorn Helgaas <> | Date | Mon, 30 Apr 2012 17:25:52 -0600 | Subject | Re: [PATCH -v11 04/30] PCI: Add busn_res into struct pci_bus. |
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On Sun, Mar 18, 2012 at 11:42 PM, Yinghai Lu <yinghai@kernel.org> wrote: > Will use it to track bus number resource tree. > > Signed-off-by: Yinghai Lu <yinghai@kernel.org> > Cc: Andrew Morton <akpm@linux-foundation.org> > --- > include/linux/pci.h | 1 + > 1 files changed, 1 insertions(+), 0 deletions(-) > > diff --git a/include/linux/pci.h b/include/linux/pci.h > index d93d3ae..7c03852 100644 > --- a/include/linux/pci.h > +++ b/include/linux/pci.h > @@ -419,6 +419,7 @@ struct pci_bus { > struct list_head slots; /* list of slots on this bus */ > struct resource *resource[PCI_BRIDGE_RESOURCE_NUM]; > struct list_head resources; /* address space routed to this bus */ > + struct resource busn_res; /* track registered bus num range */ > > struct pci_ops *ops; /* configuration access functions */ > void *sysdata; /* hook for sys-specific extension */
struct pci_bus already includes "secondary" and "subordinate". This new "busn_res" looks like it will contain the same information. Why do we need both? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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