Re: Common device driver classes?

From: Nate Lawson (nate_at_root.org)
Date: 12/12/03

  • Next message: Julian Elischer: "Re: Common device driver classes?" 
    Date: Thu, 11 Dec 2003 17:04:31 -0800 (PST)
To: Bruce M Simpson <bms@spc.org>

    On Fri, 12 Dec 2003, Bruce M Simpson wrote:
    > I'm tracking the outcome of this discussion so I know where to put things
    > like cache geometry discovery. My original plan was to assume uniform
    > cache and TLB geometry across all CPUs in the system. This may not be
    > the case. In which case implementing it via ivars may be more appropriate
    > if Nate chooses to go down this road -- but this leaves the problem of
    > how to export these properties easily to the userland.
    >
    > This is to facilitate getting at these properties a bit easier and
    > machine-independent (I note that the current NDIS and PowerPC efforts
    > could probably use this stuff).

    Those would definitely be properties of the CPU and could be exported via
    sysctl. My need is a little different in that I need to attach a child
    driver to a cpu.

    -Nate
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