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

Re: [Xen-devel] [PATCH v5 7/9] x86/PVHv2: fix dom0_max_vcpus so it's capped to 128 for PVHv2 Dom0



>>> On 19.01.17 at 18:29, <roger.pau@xxxxxxxxxx> wrote:
> @@ -176,6 +177,8 @@ unsigned int __init dom0_max_vcpus(void)
>          max_vcpus = opt_dom0_max_vcpus_max;
>      if ( max_vcpus > MAX_VIRT_CPUS )
>          max_vcpus = MAX_VIRT_CPUS;
> +    if ( dom0_pvh && max_vcpus > HVM_MAX_VCPUS )
> +        max_vcpus = HVM_MAX_VCPUS;

Thinking about it again, we shouldn't apply two limits here, when
those limits can change independently. I think you want

    limit = dom0_pvh ? HVM_MAX_VCPUS : MAX_VIRT_CPUS;
    if ( max_vcpus > limit )
         max_vcpus = limit;

Jan


_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
https://lists.xen.org/xen-devel

 


Rackspace

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