Re: [PATCH] x86/mm: Disable W^X detection and enforcement on 32-bit

[Kirill A. Shutemov]

On Fri, Sep 23, 2022 at 03:17:30PM -0700, Dave Hansen wrote:
> The 32-bit code is in a weird spot.  Some 32-bit builds (non-PAE) do not
> even have NX support.  Even PAE builds that support NX have to contend
> with things like EFI data and code mixed in the same pages where W+X
> is unavoidable.
> 
> The folks still running X86_32=y kernels are unlikely to care much about
> NX.  That combined with the fundamental inability fix _all_ of the W+X
> things means this code had little value on X86_32=y.  Disable the checks.

Maybe downgrade the check to a warning for X86_32=y?

-- 
  Kiryl Shutsemau / Kirill A. Shutemov