Re: Arch specific mmap attributes

From: KOSAKI Motohiro
Date: Wed Apr 07 2010 - 03:14:42 EST

> From: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>
> Date: Wed, 7 Apr 2010 15:03:45 +0900 (JST)
> > I'm not against changing kernel internal. I only disagree mmu
> > attribute fashion will be become used widely.
> Desktop already uses similar features via PCI mmap
> attributes and such, not to mention MSR settings on
> x86.

Probably I haven't catch your mention. Why userland process
need to change PCI mmap attribute by mmap(2)? It seems kernel issue.

> So I disagree with your assesment that this is some
> HPC/embedded issue.

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