Re: [PATCH v2 2/6] x86/fpu/xstate: Add CET supervisor mode state support

[Dave Hansen]

On 11/26/24 02:17, Chao Gao wrote:
...
> The alternative is to enable it in KVM domain, but KVM maintainers NAKed
> the solution. The external discussion can be found at [*], it ended up
> with adding the support in kernel instead of KVM domain.
So, there's a lot of changelog here, but scant details.

This patch enables XFEATURE_CET_KERNEL everywhere it's available, right?
So, this patch at least wastes the XSAVE buffer space and doesn't
actually get anything. Right?