Re: [PATCH 5/5] ARM: smp: Skip secondary cpu calibration to speed-up boot

Russell King - ARM Linux
2011-01-24T10:30:55Z

On Mon, Jan 24, 2011 at 02:21:19PM +0530, Santosh Shilimkar wrote:
> On some architectures, secondary cores shares clock with primiary
> core and hence scale together. Hence secondary core lpj calibration
> is not necessary and can be skipped to save considerable time.
>
> This can speed up the secondary cpu boot and hotplug cpu online
> paths.

I still point out that this will be a user visible change in /proc/cpuinfo.