On Mon, Sep 20, 2021 at 05:06:15PM +0200, Christian Borntraeger wrote: > Stable team, > > here is a backport for 4.19 of > commit a3e03bc1368 ("KVM: s390: index kvm->arch.idle_mask by vcpu_idx") > This basically removes the kick_mask parts that were introduced with > kernel 5.0 and fixes up the location of the idle_mask to the older > place. Now queued up, thanks. > FWIW, it might be a good idea to also backport > 8750e72a79dd ("KVM: remember position in kvm->vcpus array") to avoid > a performance regression for large guests (many vCPUs) when this patch > is applied. > @Paolo Bonzini, would you be ok with 8750e72a79dd in older stable releases? That would also have to go into 5.4.y, right? thanks, greg k-h