On Tue, 2015-02-24 at 09:09 +0100, Ingo Molnar wrote:
> * Andrew Morton wrote:
>
> >
> >
> > Oh. We don't do any checking at all. We're just telling
> > userspace programmers "don't do that". hrm. What are
> > your thoughts on adding the overlap checks to the kernel?
>
> I have requested
* Andrew Morton wrote:
>
>
> Oh. We don't do any checking at all. We're just telling
> userspace programmers "don't do that". hrm. What are
> your thoughts on adding the overlap checks to the kernel?
I have requested such sanity checking in previous review as
well, it has to be made fo
On Mon, 2015-02-23 at 12:22 -0800, Andrew Morton wrote:
> On Mon, 9 Feb 2015 15:45:28 -0700 Toshi Kani wrote:
>
> > ioremap() and its related interfaces are used to create I/O
> > mappings to memory-mapped I/O devices. The mapping sizes of
> > the traditional I/O devices are relatively small.
On Mon, 9 Feb 2015 15:45:28 -0700 Toshi Kani wrote:
> ioremap() and its related interfaces are used to create I/O
> mappings to memory-mapped I/O devices. The mapping sizes of
> the traditional I/O devices are relatively small. Non-volatile
> memory (NVM), however, has many GB and is going to
ioremap() and its related interfaces are used to create I/O
mappings to memory-mapped I/O devices. The mapping sizes of
the traditional I/O devices are relatively small. Non-volatile
memory (NVM), however, has many GB and is going to have TB soon.
It is not very efficient to create large I/O mapp
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