Re: [PATCH v5 1/3] x86/cpu: Clear feature bits disabled at compile-time
From: Borislav Petkov
Date: Thu Feb 12 2026 - 19:58:51 EST
On Thu, Feb 12, 2026 at 04:14:07PM -0800, Sohil Mehta wrote:
> So, as of today, if one of these features shows up, a user can't be sure
> whether the kernel has enabled it or not. Right?
This is not such a critical bug - judging by how no one noticed it until
now...
> My suggestion is that:
> Instead of (or maybe along with) fixing this buggy interface, would it
> be better to put this information in something like debugfs/sysfs? So,
> at least new user software can start using that.
... to go and make big waves and "fix" everything. We'll address this
inconsistency eventually and go on with our lives.
--
Regards/Gruss,
Boris.
https://people.kernel.org/tglx/notes-about-netiquette