From: Fenghua Yu
> Sent: 19 June 2018 22:37
> To: Thomas Gleixner
> Cc: Fenghua Yu; Ingo Molnar; H Peter Anvin; Ashok Raj; Alan Cox; Ravi V
> Shankar; linux-kernel; x86
> Subject: Re: [RFC PATCH 1/8] x86/cpufeatures: Enumerate MOVDIRI instruction
>
> On Tue, Jun 19, 201
On Wed, Jun 20, 2018 at 12:32:14AM +0200, Thomas Gleixner wrote:
> On Tue, 19 Jun 2018, Fenghua Yu wrote:
>
> > On Tue, Jun 19, 2018 at 10:57:44AM +0200, Thomas Gleixner wrote:
> > > On Fri, 15 Jun 2018, Fenghua Yu wrote:
> > >
> > > > MOVDIRI moves doubleword or quadword from register to memory
On Tue, 19 Jun 2018, Fenghua Yu wrote:
> On Tue, Jun 19, 2018 at 10:57:44AM +0200, Thomas Gleixner wrote:
> > 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)
On Tue, Jun 19, 2018 at 10:57:44AM +0200, Thomas Gleixner wrote:
> 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
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
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