On Wed, 2015-03-04 at 21:17 +0100, Ingo Molnar wrote:
> * Toshi Kani wrote:
>
> > On Wed, 2015-03-04 at 01:00 +, Andrew Morton wrote:
> > > On Tue, 03 Mar 2015 16:14:32 -0700 Toshi Kani wrote:
> > >
> > > > On Tue, 2015-03-03 at 14:44 -0800, Andrew Morton wrote:
> > > > > On Tue, 3 Mar 201
* Toshi Kani wrote:
> On Wed, 2015-03-04 at 01:00 +, Andrew Morton wrote:
> > On Tue, 03 Mar 2015 16:14:32 -0700 Toshi Kani wrote:
> >
> > > On Tue, 2015-03-03 at 14:44 -0800, Andrew Morton wrote:
> > > > On Tue, 3 Mar 2015 10:44:24 -0700 Toshi Kani wrote:
> > > :
> > > > > +
> > > > >
On Wed, 2015-03-04 at 01:00 +, Andrew Morton wrote:
> On Tue, 03 Mar 2015 16:14:32 -0700 Toshi Kani wrote:
>
> > On Tue, 2015-03-03 at 14:44 -0800, Andrew Morton wrote:
> > > On Tue, 3 Mar 2015 10:44:24 -0700 Toshi Kani wrote:
> > :
> > > > +
> > > > +#ifdef CONFIG_HAVE_ARCH_HUGE_VMAP
> >
On Tue, 03 Mar 2015 16:14:32 -0700 Toshi Kani wrote:
> On Tue, 2015-03-03 at 14:44 -0800, Andrew Morton wrote:
> > On Tue, 3 Mar 2015 10:44:24 -0700 Toshi Kani wrote:
> :
> > > +
> > > +#ifdef CONFIG_HAVE_ARCH_HUGE_VMAP
> > > +int pud_set_huge(pud_t *pud, phys_addr_t addr, pgprot_t prot)
> > >
On Tue, 2015-03-03 at 14:44 -0800, Andrew Morton wrote:
> On Tue, 3 Mar 2015 10:44:24 -0700 Toshi Kani wrote:
:
> > +
> > +#ifdef CONFIG_HAVE_ARCH_HUGE_VMAP
> > +int pud_set_huge(pud_t *pud, phys_addr_t addr, pgprot_t prot)
> > +{
> > + u8 mtrr;
> > +
> > + /*
> > +* Do not use a huge pa
On Tue, 3 Mar 2015 10:44:24 -0700 Toshi Kani wrote:
> This patch implements huge KVA mapping interfaces on x86.
>
> On x86, MTRRs can override PAT memory types with a 4KB granularity.
> When using a huge page, MTRRs can override the memory type of the
> huge page, which may lead a performance p
This patch implements huge KVA mapping interfaces on x86.
On x86, MTRRs can override PAT memory types with a 4KB granularity.
When using a huge page, MTRRs can override the memory type of the
huge page, which may lead a performance penalty. The processor
can also behave in an undefined manner if
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