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Date: Sun, 6 Jan 2002 18:31:53 -0700
Message-Id: <200201070131.g071VrM20956@vindaloo.ras.ucalgary.ca>
From: Richard Gooch <rgooch@ras.ucalgary.ca>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: Matt Dainty <matt@bodgit-n-scarper.com>,
        linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] DevFS support for /dev/cpu/X/(cpuid|msr)
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H. Peter Anvin writes:
> Richard Gooch wrote:
> 
> > H. Peter Anvin writes:
> > 
> >>Once again, this shit does not belong in N drivers; it is core code.
> >>
> > 
> > Drivers have to register their own device nodes. What kind of API do
> > you propose?
> 
> The existence of a CPU creates /dev/cpu/# and registering a node 
> replicates across the /dev/cpu directories.

So you mean something like this:

void devfs_per_cpu_register (const char *leafname, unsigned int flags,
			     unsigned int major, unsigned int minor_start,
			     umode_t mode, void *ops);

void devfs_per_cpu_unregister (const char *leafname);

with code in the per-cpu boot code to create the /dev/cpu/%d
directories.

				Regards,

					Richard....
Permanent: rgooch@atnf.csiro.au
Current:   rgooch@ras.ucalgary.ca
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