From: Tom Duffy <tomduffy@dslextreme.com>
To: sparclinux@vger.kernel.org
Subject: Re: [openib-general] Re: mmap(/dev/mem) causing sigbus
Date: Fri, 14 Jan 2005 22:30:34 +0000 [thread overview]
Message-ID: <1105741834.22751.17.camel@duffman> (raw)
In-Reply-To: <1105657934.2527.96.camel@duffman>
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On Thu, 2005-01-13 at 15:29 -0800, David S. Miller wrote:
> It's not meant to be used at all. We have abstracted out a way
> to portably mmap() pci devices by opening /proc/bus/pci/* nodes,
> running the appropriate ioctl() to choose I/O or MEM space,
> then mmap()'ing on the fd to mmap the PCI device resources.
>
> At the very least, i386 and ppc support this interface as well.
Dave, thanks for the info. The maintainer of the tool has updated it to
use the /proc/bus/pci method.
-tduffy
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prev parent reply other threads:[~2005-01-14 22:30 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-01-13 23:12 mmap(/dev/mem) causing sigbus Tom Duffy
2005-01-13 23:29 ` David S. Miller
2005-01-14 22:30 ` Tom Duffy [this message]
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