On 13/06/2016 10:42, Greg Kurz wrote: > On Fri, 27 May 2016 13:16:49 +0200 > Greg Kurz <gk...@linux.vnet.ibm.com> wrote: > >> On Fri, 27 May 2016 13:58:28 +1000 >> David Gibson <da...@gibson.dropbear.id.au> wrote: >> >>> On Thu, May 26, 2016 at 10:02:23AM +0200, Greg Kurz wrote: >>>> As stated in linux/Documentation/virtual/kvm/api.txt: >>>> >>>> The maximum possible value for max_vcpu_id can be retrieved using the >>>> KVM_CAP_MAX_VCPU_ID of the KVM_CHECK_EXTENSION ioctl() at run-time. >>>> >>>> If the KVM_CAP_MAX_VCPU_ID does not exist, you should assume that >>>> max_vcpu_id is the same as the value returned from KVM_CAP_MAX_VCPUS. >>>> >>>> Signed-off-by: Greg Kurz <gk...@linux.vnet.ibm.com> >>> >>> Reviewed-by: David Gibson <da...@gibson.dropbear.id.au> >>> >> >> Paolo, >> >> FYI Patch 1/3 was in David's pull request earlier today. It is now upstream. >> >> You may now apply 2/3 and 3/3. >> >> Thanks ! >> > > Hi Paolo, > > Just a friendly reminder. Without this patch, we cannot create more than > 128 single-threaded vCPUs on POWER8 if the host has unsplit cores.
Thanks! Paolo
