On 02/13/2018 07:56 AM, Andi Kleen wrote: > On Tue, Feb 13, 2018 at 07:09:44AM -0800, Arjan van de Ven wrote: >>> So, any hints on what you think should be the correct fix here? >> the patch sure looks correct to me, it now has a nice table for CPU IDs >> including all of AMD (and soon hopefully the existing Intel ones that are not exposed to meltdown) > I don't think the table is nice, it's a white list that would need > to be maintained forever. On Intel, we have that RDCL_NO bit in the ARCH_CAPABILITIES MSR going forward to show that we are not vulnerable. So, at least for Intel we don't need to add new models forever.