[ofa-general] OFED 1.4's autoconf.h conflicting with kernel

[Jeff Becker]

Brian J. Murrell wrote:
> On Fri, 2009-01-23 at 11:01 -0800, Jeff Becker wrote:
>   
>> Hi Brian
>>     
>
> Hi Jeff,
>
>   
>> Yup - that was me.
>>     
>
> /me waves jeff.  :-)
>
>   
>> I usually build my kernel first (usually with NFS). Then I build OFED.
>>     
>
> Same here.
>
>   
>> If I turn off NFS(RDMA), it doesn't affect my kernel.
>>     
>
> No, but it will affect the next thing (i.e. kernel module(s)) you build
> with your kernel source and kernel-ib-devel.  Perhaps I am doing this
> wrongly, but I have the kernel-ib-devel paths first (i.e. before the
> kernel ones) so the autoconf.h is being picked up there and the item of
> fallout I noticed first was that the bits in my module that wanted
> CONFIG_SYSCTL defined, broke.  My kernel's autoconf.h defines it, but
> the OFED one (without nfsrdma) undefines it.
>
>   
>> I don't do this
>> with the install.pl script, but rather by hand (running configure &&
>> make && make install in my OFED directory).
>>     
>
> Yeah.  I rpmbuild --rebuild the SRPM.  Kernel and kernel-ib[-devel] go
> fine.  It just this third module I want to build against them both that
> goes blooey.
>
>   
>> I thought I needed it for proper configuration of NFSRDMA.
>>     
>
> It could be.  But the problem is that it's used for all sorts of other
> stuff and #undef'ing it in the OFED autoconf.h contradicts what the
> kernel definition wants.
>
> Thots?
>   

I put it in, because I thought it would fix some trouble configuring
sysctls and rpc debugging properly. I can check again to see if it's
really needed.

-jeff

> b.
>
>
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