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Re: user-level drivers
From: |
Samuel Thibault |
Subject: |
Re: user-level drivers |
Date: |
Tue, 10 May 2011 03:29:11 +0200 |
User-agent: |
Mutt/1.5.12-2006-07-14 |
Richard Braun, le Mon 09 May 2011 13:33:37 +0200, a écrit :
> On Mon, May 09, 2011 at 01:27:32PM +0200, Thomas Schwinge wrote:
> > > I'd suggest using natural_t (or unsigned long) too. But then, it can't
> > > be used to address >4 GiB physical memory. Consider expressing physical
> > > memory in page frame numbers.
> >
> > Good idea! But: what about differently sized frames (4 KiB/2
> > MiB/whatever amd64 allows)? (In case it'd make sense to support these at
> > some point?) Or is this over-engineering already?
>
> These are virtual frames.
There are archs which have varying page size. I'd rather avoid
introducing the page size, can't mig cope with 64bit values on 32bit
archs?
Samuel
Re: user-level drivers, olafBuddenhagen, 2011/05/26
Re: user-level drivers, olafBuddenhagen, 2011/05/26