On Sun, Jan 9, 2011 at 10:31 AM, Robert Heller <heller@xxxxxxxxxxxx> wrote:
> At Sun, 09 Jan 2011 09:31:19 -0500 CentOS mailing list <centos@xxxxxxxxxx> wrote:
>
>>
>>
>> Hi List,
>> just doing my weekly yum update and noticed that the kernel is
>> designated .i686 but the headers package is .i386??
>> surely the headers should match the kernel geometry that it was compiled
>> for?
>> confused.
>
> The headers package contains no compiled code -- it only contains
> source code (.h files). As such it is processor netural. It really
> could be '.noarch', but the version of rpmbuild shipped with CentOS 5.5
> does not allow the creation of .noarch sub-packages packages.
This will work in RHEL 6/CentOS 6. The cutesiness needed to provide
such packages in .noarch for more recent releases, and .%{arch} for
older releases, is already in a lot of the upstream RHEL and EPEL
packages.
> The kernel itself is optimized for the i686 processor. It is possible
> to custom build a kernel for the i586, i486, or i386 if you really have
> a processor that old.
And highly, highly recommended to use a kernel optimized for i686 if
that's your real architecture: there's a big performance difference.
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