Re: [RFC PATCH 1/8] x86/cpufeatures: Enumerate MOVDIRI instruction

[Thomas Gleixner]

On Fri, 15 Jun 2018, Fenghua Yu wrote:

> MOVDIRI moves doubleword or quadword from register to memory through
> direct store which is implemented by using write combining (WC) for
> writing data directly into memory without caching the data.

And that is useful for what?

Thanks,

        tglx