[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Xen-devel] increase evtchn limits

On 21/05/2010 04:41, "Mukesh Rathor" <mukesh.rathor@xxxxxxxxxx> wrote:

> I'm trying to boot up with lot more than 32 vcpus on this very large box.
> I overcame vcpu_info[MAX_VIRT_CPUS] by doing vcpu placement hypercall
> in guest, but now running into evt channel limit (lots of devices):
>        unsigned long evtchn_pending[sizeof(unsigned long) * 8];
> which limits to 512 max for my 64bit dom0.

How many CPUs do you have to bring up? How many event channels are we
squandering per CPU in PV Linux right now (can you enumerate them)?

 -- Keir

Xen-devel mailing list



Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.