Re: [PATCH v6 2/9] x86/resctrl: Require 64-bit x86 for resctrl support

[Peter Zijlstra]

On Thu, Aug 20, 2026 at 10:12:29AM -0700, Dave Hansen wrote:

> Honestly, the only people who complain about 32-bit support going away
> are folks who "test" it regularly. It's quite rare to see anyone
> actually "using" a 32-bit system.

I've for a long time advocated detecting LM during the 32bit boot and
simply aborting with a message: "Go run the x86_64 kernel!".