Re: [patch V2 1/5] x86/kaiser: Respect disabled CPU features

[Peter Zijlstra]

On Mon, Nov 27, 2017 at 12:14:04AM +0100, Thomas Gleixner wrote:
> PAGE_NX and PAGE_GLOBAL might be not supported or disabled on the command
> line, but KAISER sets them unconditionally.

So KAISER is x86_64 only, right? AFAIK there is no x86_64 without NX
support. So would it not make sense to mandate NX for KAISER?, that is
instead of making "noexec" + KAISER work, make "noexec" kill KAISER +
emit a warning.