[CentOS] reloading a new kernel

Mon Dec 22 08:48:05 UTC 2008
John R Pierce <pierce at hogranch.com>

Agile Aspect wrote:
> Hi - is it possible to load a SMP version of a kernel on a system running
> a single CPU version of the kernel without a reboot?
>
> For instance, a quad CPU system was accidentally booted as
>
>     2.6.9-78.0.5.EL
>
> but we need to load
>
>     2.6.9-78.0.5.ELsmp
>
> instead.
>
> Any help would be appreciated.
>
>   

you have to reboot to load a different kernel, there's no way to avoid that.