[PATCH] arm64, defconfig: Increase NR_CPUS default to 64
Will Deacon
will.deacon at arm.com
Tue Sep 23 03:47:16 PDT 2014
On Tue, Sep 23, 2014 at 11:44:31AM +0100, Robert Richter wrote:
> On 08.09.14 13:44:48, Robert Richter wrote:
> > From: Robert Richter <rrichter at cavium.com>
> >
> > Raising the current maximum limit to 64. This is needed for Cavium's
> > Thunder systems that will have at least 48 cores per die.
> >
> > The change keeps the current memory footprint in cpu mask structures.
> > It does not break existing code. Setting the maximum to 64 cpus still
> > boots systems with less cpus.
> >
> > Mark's Juno happily booted with a NR_CPUS=64 kernel.
> >
> > Tested on our Thunder system with 48 cores. We could see interrupts to
> > all cores.
>
> Catalin, Will,
>
> please consider applying this patch.
I thought this was queued already?
Will
More information about the linux-arm-kernel
mailing list