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From: John Levon <levon@movementarian.org>
To: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] /proc/sys/kernel/pointer_size
Date: Wed, 8 Jan 2003 22:40:06 +0000	[thread overview]
Message-ID: <20030108224006.GA47765@compsoc.man.ac.uk> (raw)
In-Reply-To: <Pine.LNX.4.44.0301081300200.1497-100000@home.transmeta.com>

On Wed, Jan 08, 2003 at 01:03:14PM -0800, Linus Torvalds wrote:

> You should certainly see it in "uname -a" output, for example.

Hrmph. Actually we can take it from the ELF headers of the vmlinux file
that gets passed in I suppose. Along with a uname hack for when there's
no vmlinux available...

> The same is true of kernel modules - 32-bit kernel modules do not work at 
> all when the kernel is 64-bit.

Modules aren't in userspace.

> Compile oprofile for the proper architecture if you do it yourself, and
> complain to the vendor if the vendor is stupid enough to supply a 32-bit 
> oprofile with a 64-bit kernel.

I don't see what's stupid about a 32-bit binary on a system where all of
user-space is 32-bit. But it doesn't matter.

regards
john

-- 
"CUT IT OUT FACEHEAD"
	- jeffk

  parent reply	other threads:[~2003-01-08 22:31 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-01-08 19:59 [PATCH] /proc/sys/kernel/pointer_size John Levon
2003-01-08 20:28 ` Linus Torvalds
2003-01-08 20:52   ` John Levon
2003-01-08 21:03     ` Linus Torvalds
2003-01-08 22:37       ` David S. Miller
2003-01-08 22:40       ` John Levon [this message]
2003-01-11  9:18       ` Kai Henningsen
2003-01-08 22:34   ` David S. Miller
2003-01-08 23:04     ` Linus Torvalds
2003-01-08 23:03       ` David S. Miller
2003-01-09  0:02         ` Linus Torvalds
2003-01-09  0:03           ` David S. Miller
2003-01-09  4:00             ` Daniel Jacobowitz
2003-01-09  4:31               ` David S. Miller
2003-01-09  5:23               ` William Lee Irwin III
2003-01-09 23:09       ` Bill Davidsen

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