[PATCH kvmtool 0/7] Fix --vcpu-affinity

[Alexandru Elisei]

Hi Marc,

On Fri, Sep 18, 2026 at 01:22:17PM +0100, Marc Zyngier wrote:
> On Thu, 17 Sep 2026 16:49:25 +0100,
> Alexandru Elisei <alexandru.elisei at arm.com> wrote:
> > 
> > Tested on an Orion board and a x86 machine. On the x86 machine, there's was this
> > one thread called 'kvm-nx-lpage-re' which had affinity of the VCPUs, but I
> > couldn't figure out where it was created. I grep'ed for each part of the name in
> > the source node, no luck. I used strace, and couldn't see a clone call that
> > returned the corresponding pid. Any clues would be appreciated.
> 
> This is a KVM internal thread, from what I can tell. See
> arch/x86/kvm/mmu/mmu.c::kvm_mmu_start_lpage_recovery().

Indeed, it didn't cross my mind that it might KVM that is creating the thread.
Thanks for the hint, and to Joey too, he suggested it offline.

Alex