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

[Chang S. Bae]

On 3/16/2026 2:43 PM, Dave Hansen wrote:
> Either we change how alternatives patching works, we use some other
> exception code, or we try and get CR4.FSGSBASE established as early as
> possible on the secondaries.

It looks like the last option was sorted out already.

As played out other options a little bit, deferring patching looked a 
bit funky, and either macrofying the entry code or referencing XCR0 on 
the fly appeared a bit overkill. So, yes, nothing stands out than that 
choice.