From: Roland Dreier <roland@topspin.com>
To: Pierre Ossman <drzeus-list@drzeus.cx>
Cc: LKML <linux-kernel@vger.kernel.org>,
nhorman@redhat.com, hancockr@shaw.ca
Subject: Re: Tasklet usage?
Date: Sat, 16 Oct 2004 09:03:44 -0700 [thread overview]
Message-ID: <52brf2bqfz.fsf@topspin.com> (raw)
In-Reply-To: <41713B79.3080406@drzeus.cx> (Pierre Ossman's message of "Sat, 16 Oct 2004 17:17:13 +0200")
Pierre> As I was digging through the functions there was one thing
Pierre> that struck me. The parameter for the tasklet is of type
Pierre> unsigned long, not void*. Since the parameter in most
Pierre> cases is a pointer this might cause problems on 64-bit
Pierre> systems. Or does the kernel do some magic to map kernel
Pierre> memory in the first 4 GB?
unsigned long will be 64 bits on a 64-bit system. There are many
places in the Linux kernel where we assume that void * and long are
the same size.
- Roland
next prev parent reply other threads:[~2004-10-16 16:04 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-10-15 13:14 Tasklet usage? Pierre Ossman
2004-10-15 13:32 ` Neil Horman
2004-10-15 13:46 ` Pierre Ossman
2004-10-15 14:09 ` Neil Horman
2004-10-16 15:17 ` Pierre Ossman
2004-10-16 16:03 ` Roland Dreier [this message]
2004-10-16 16:36 ` Pierre Ossman
2004-10-16 17:51 ` Roland Dreier
[not found] <fa.dvqma04.n40gos@ifi.uio.no>
2004-10-16 1:46 ` Robert Hancock
[not found] <fa.hf0cjfr.n3qt2d@ifi.uio.no>
[not found] ` <fa.doac9ep.1ckig8r@ifi.uio.no>
2004-10-16 17:53 ` Robert Hancock
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