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SubjectRe: Who can backport the AHCI driver to older kernels
Rainer Koenig writes:
> Hi Mikael,
> Am Dienstag, 3. Juni 2008 14:07 schrieb Mikael Pettersson:
> > Redhat seems to regularly backport the entire libata layer
> > to at least 2.6.18 (RHEL5) and maybe also 2.6.9 (RHEL4).
> Yes indeed we get perfect support from both Red Hat and SUSE for their
> enterprise level distribution. I already got a driver kit for the
> SLES10 kernel. The problem is that the targeted market is not willing
> to use enterprise level (which means spend money for subscription)
> distros. They go for the "free" (as in free beer) distros and suffer
> from missing drivers.

a) the RHEL sources are freely available
b) lots of people and organisations grab, tweak, and build them
(including I might add many HPC sites using perfctr)
c) there's at least one no-cost binary redistribution (CentOS)
d) it's also easy to combine e.g. FC user-space with a
self-compiled RHEL kernel, at least as long as they're
closely matched (e.g. FC6 + RHEL5 is fine)
(heck, I've even run FC6 on top of a SLES10.1 kernel)

So everything's that's needed is out there.

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