Re: [PATCH 1/2] x86/tsc: Avoid a double call if TSC initializes earlier.

[Peter Zijlstra]

On Mon, Jul 30, 2018 at 03:54:20PM +0800, Dou Liyang wrote:
> static_branch_enable(&__use_tsc) may be called twice in common case, that
> is redundant.

It is also really not a problem...