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Personally, I think that the RedHat guys are very smart wrt to the kernel and I think the kernel is the most important part of the distro. So, other than building other modules or changing options in the config file (like we do with the centosplus kernel), I would normally use (and recommend) what they produce. That is not to say that other kernels, properly configured, could not perform better ... I would just not do it unless it was absolutely the only option.
Also, even if you have no other option, you should attempt to understand the ramifcations of the change you are making in the kernel. It will be no ones fault but yours if some piece of software needed to be rebuilt with the changed header, but wasn't and now does not work. And this brings you to the next point which is now you have your new shiny one-off kernel, when you find problems who do you go to. Well, from experience you end up have a system running without the one-off kernel, where you go to reproduce kernel problems so that you can seek assistence up stream (unless the problem turns out to only show up with your one off). If the problem turns out to only be with your one off kernel, then you can still ask questions, but your universe of people able to provide support has greatly diminished. As an aside, at one point RedHat in their RHCE classes actually taught their RHCE's to recompile the kernel to optimize it for what ever system they RHCE would work on. They don't do that anymore, and as a matter of fact if you recompile, officially they will not support you. I suspect something happened multiple times to cause this behavior, and I suspect it was various users thinking that they could make tweaks to the kernel not thinking these change through, and still get the same level of support. I don't really know though, but the fact remains if you recompile your kernel today their interest in supporting you is zero. Cheers...james _______________________________________________ CentOS mailing list CentOS@xxxxxxxxxx http://lists.centos.org/mailman/listinfo/centos
