Andy Burns wrote:
dragoran wrote:
I noticed that smp is enabled in the 2.6.15 fc kernel build (from
daves people page)
I'm slightly puzzled by the mixture of cpu architectures and fedora
versions between your subject and message body, but ...
sorry the subject got "broken"
why is this done? maybe it does not hurt but why does a smp kernel
exists than? where is the differnce?
Do you mean why not have a non-smp kernel for x86_64? If so probably
because many(most?/all?) EMT64 CPUs support HT or dual core.
there are many non dualcore am64 chips arround
Or do you mean why have SMP and non-SMP versions for other CPUs? If so
because various types of locks can be optimized away if not using SMP.
here we have
http://people.redhat.com/davej/kernels/Fedora/FC4/RPMS.kernel/kernel-2.6.15-1.1781_FC4.x86_64.rpm
and
http://people.redhat.com/davej/kernels/Fedora/FC4/RPMS.kernel/kernel-smp-2.6.15-1.1781_FC4.x86_64.rpm
smp is already enabled in the non smp kernel.. so why do we have 2
kernels with different names but same config? (or is there a difference
beween them)
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