Re: [PATCH v2 1/2] x86/cpu: Disable CR pinning during CPU bringup

[David Laight]

On Thu, 12 Mar 2026 08:02:53 -0700
Dave Hansen <dave.hansen@xxxxxxxxx> wrote:

> On 3/12/26 07:53, Nikunj A. Dadhania wrote:
> >> The simplest fix is to disable FRED on those kernels, fwiw.  
> > That would work, but disabling FRED means LTS users will not be able to use 
> > FRED with confidential computing—that's not really a fix.  
> 
> Why not?
> 
> Is there something out there that *NEEDS* FRED to function?

I didn't think there was any real hardware that actually supports FRED.

By the time that exists there might be a sane fix - or a newer LTS kernel.

	David