From: Keith M Wesolowski <wesolows@foobazco.org>
To: sparclinux@vger.kernel.org
Subject: Re: nonzero phys_base
Date: Thu, 18 Mar 2004 02:45:17 +0000 [thread overview]
Message-ID: <20040318024517.GA16659@foobazco.org> (raw)
In-Reply-To: <20040316114121.GA5170@spike>
On Tue, Mar 16, 2004 at 09:10:56AM -0800, Pete Zaitcev wrote:
> > +#define __pa(x) ((unsigned long)(x) - PAGE_OFFSET + phys_base)
> > +#define __va(x) ((void *)((unsigned long) (x) - phys_base + PAGE_OFFSET))
>
> This, obviously, overflows on highmem systems.
> Do we have any users for __pa, __va, virt_to_phys and phys_to_virt?
> It would be helpful if you enumerated all of them and perhaps
> removed some.
Pete, this has always been true for highmem. How does his patch make
this worse?
--
Keith M Wesolowski
next prev parent reply other threads:[~2004-03-18 2:45 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-03-16 11:41 nonzero phys_base Stefan Holst
2004-03-16 16:55 ` Keith M Wesolowski
2004-03-16 17:10 ` Pete Zaitcev
2004-03-17 23:58 ` Stefan Holst
2004-03-18 0:09 ` Stefan Holst
2004-03-18 2:45 ` Keith M Wesolowski [this message]
2004-03-18 3:36 ` Pete Zaitcev
2004-03-21 22:51 ` Keith M Wesolowski
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