[Bug 295517] padlock_rng: missing from amd64 builds in 15.1+

From: <bugzilla-noreply_at_freebsd.org>
Date: Sat, 23 May 2026 13:22:46 UTC 
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=295517

            Bug ID: 295517
           Summary: padlock_rng: missing from amd64 builds in 15.1+
           Product: Base System
           Version: 15.1-RELEASE
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: kern
          Assignee: bugs@FreeBSD.org
          Reporter: asomers@FreeBSD.org

Commit d1ca01059d5 removed padlock_rng from amd64 builds, apparently under the
assumption that such hardware was only ever included on 32-bit CPUs.  But that
assumption is mistaken; the 64-bit Via Nano and Via Nano X2 also include it.  I
have a Via Nano X2, and I can confirm that padlock_rng works on 15.0-RELEASE,
but not 15.1-RC1.

https://cgit.freebsd.org/src/commit/?id=d1ca01059d5d756a4aef09d955e98aa59a284344

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