On Fri, 2025-01-03 at 15:48 -0500, Liam R. Howlett wrote: > > So we have at least two userspace uses that this will breaks: checkpoint > restore and now gVisor, but who knows what else? I believe we previously pointed out it might also break running the ARCH=um kernel: https://lore.kernel.org/all/2e5de601da34342d8eb0d8319dcf81ff213c7ef0.camel@xxxxxxxxxxxxxxxx/ johannes