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From: Mario Smarduch <cms063@email.mot.com>
To: linux-ia64@vger.kernel.org
Subject: Re: mmap() of /dev/kmem issue
Date: Wed, 05 May 2004 16:57:58 +0000	[thread overview]
Message-ID: <40991D16.F66CB173@email.mot.com> (raw)
In-Reply-To: <4097C51D.71EA0BEA@email.mot.com>

"Luck, Tony" wrote:

> >On Wed, May 05, 2004 at 10:53:10AM -0500, Mario Smarduch wrote:
> >> That's great but what release is that in?
> >
> >This is in 2.6.6-rc3.  I don't know when it was added.
>
> N.B. your test program will need some changes to work under
> 2.6 as the kernel is linked into virtual addresses in region 5
> instead of region 7.
>
> So "IDENBASE" and "jiffies - IDENBASE" would need to be changed.
>
> In fact there might be another whole layer of difficulty writing
> your test program, as figuring the physical address of the kernel
> object that you want to look at is a lot harder as the bootloader
> may have picked any physical address to load the kernel (though
> in practice at the moment it only does this on SGI sn2 machines).
>
> -Tony

Tony thanks for the pointers. I actually need to
have this work on 2.4 though.


      parent reply	other threads:[~2004-05-05 16:57 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-05-04 16:30 mmap() of /dev/kmem issue Mario Smarduch
2004-05-04 17:05 ` Bjorn Helgaas
2004-05-04 17:19 ` Grant Grundler
2004-05-04 18:12 ` Mario Smarduch
2004-05-04 20:29 ` Grant Grundler
2004-05-04 22:15 ` Mario Smarduch
2004-05-04 22:27 ` Mario Smarduch
2004-05-04 23:59 ` Grant Grundler
2004-05-05 14:57 ` Mario Smarduch
2004-05-05 15:08 ` Luck, Tony
2004-05-05 15:36 ` Grant Grundler
2004-05-05 15:44 ` Matthew Wilcox
2004-05-05 15:49 ` Mario Smarduch
2004-05-05 15:53 ` Mario Smarduch
2004-05-05 16:07 ` Matthew Wilcox
2004-05-05 16:18 ` Chris Wedgwood
2004-05-05 16:32 ` Mario Smarduch
2004-05-05 16:42 ` Mario Smarduch
2004-05-05 16:44 ` Luck, Tony
2004-05-05 16:57 ` Mario Smarduch [this message]

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