Re: [Patch v4 07/18] x86/smt: Convert cpu_smt_control check to cpu_smt_enabled static key

[Thomas Gleixner]

Tim,

On Tue, 30 Oct 2018, Tim Chen wrote:

> Change the SMT code paths check from using cpu_smt_control to
> cpu_smt_enabled static key.  This saves a branching check.

and adds extra size to the kernel for the patching. The only reason why it
would make sense for kvm is that then the EXPORT of cpu_smt_control can go
away, which takes more space than the patch data.

Thanks,

	tglx