[dpdk-dev] [PATCH 1/2] igb_uio: fix compability on old kernel

[Sanford, Robert]

>
>> This is what we came up with. It works for us. In our kernel headers'
>> linux/pci.h, pci_num_vf is enclosed within "#ifdef
>>CONFIG_PCI_IOV/#endif";
>> pci_intx_mask_supported and pci_check_and_mask_intx are enclosed within
>> "#ifdef HAVE_PCI_SET_MWI/#endif".
>> 
>> What do you think?
>
>Maybe we can just get rid of kernel version checks all together and
>just use the HAVE_ checks.
>
>I will test on stock 2.6.32.

Sorry, I spoke too soon. Although it builds with the ifdefs, I just found
that it does not load.
"kernel: igb_uio: Unknown symbol irq_to_desc"