Where is the NPTL kernel patch?

[Ian Pilcher]

I need to build a "pristine" kernel for debugging purposes, but I've
read that Fedora Core basically won't work with a kernel that doesn't
support NPTL.

So where can I find the patch(es) that add NPTL support to the kernel?

Thanks!
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Ian Pilcher                                        i.pilcher at comcast.net
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