[CentOS] latest kernel - version question

Kevin K k_krieser at sbcglobal.net
Mon Jan 10 22:57:54 UTC 2011


On Jan 10, 2011, at 11:25 AM, Santi Saez wrote:

> El 09/01/2011 16:31, Robert Heller escribió:
> 
>> 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.
> 
> What is the sense of optimize a kernel for i686 and then distribute most 
> of packages for i386?
> 
> For example in CentOS-5:
> 
> kernel-2.6.18-194.el5.i686.rpm
> php-5.1.6-27.el5.i386.rpm
> httpd-2.2.3-43.el5.centos.i386.rpm
> mysql-server-5.0.77-4.el5_4.2.i386.rpm
> 

Most packages don't necessarily require the extra instructions in the 686.  Routines like glibc, which are linked in at runtime, do get compiled for the 686.




More information about the CentOS mailing list