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From: "Eric S. Raymond" <esr@thyrsus.com>
To: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Linux Kernel List <linux-kernel@vger.kernel.org>
Subject: Re: ISA hardware discovery -- the elegant solution
Date: Mon, 14 Jan 2002 03:48:31 -0500	[thread overview]
Message-ID: <20020114034831.A5780@thyrsus.com> (raw)
In-Reply-To: <20020113205839.A4434@thyrsus.com> <m1k7ulpbf7.fsf@frodo.biederman.org>
In-Reply-To: <m1k7ulpbf7.fsf@frodo.biederman.org>; from ebiederm@xmission.com on Mon, Jan 14, 2002 at 01:46:36AM -0700

Eric W. Biederman <ebiederm@xmission.com>:
> ISA is not a software enumerable bus especially not for unprivledged
> users.  And no amount of complaining will change that.  That is why we
> have PNP ISA and PCI.

But the kernel itself has to know how to probe and initialize these devices
at boot time, correct?  That information is implicitly exported via
/var/log/dmesg -- I'm simply suggesting that it be a little more explicit.

> > But suppose the format of boot-time driver messages were standardized in a
> > format that included their config symbol in a discoverable form?
> 
> If there was an ISA device in your example it might be interesting.

Some of the on-board devices on my Tyan Thunder are ISA.

> > With this change, generating a report on ISA hardware and other
> > facilities configured in at boot time would be trivial.  This would
> > make the autoconfigurator much more capable.  Best of all, the only
> > change required to accomplish this would be safe edits of print format
> > strings.
> 
> It sounds like what you want is an lsmod that lists compiled in
> modules.

Would that be feasible without root privileges in order to read kmem?
-- 
		<a href="http://www.tuxedo.org/~esr/">Eric S. Raymond</a>

[The disarming of citizens] has a double effect, it palsies the hand
and brutalizes the mind: a habitual disuse of physical forces totally
destroys the moral [force]; and men lose at once the power of
protecting themselves, and of discerning the cause of their
oppression.
        -- Joel Barlow, "Advice to the Privileged Orders", 1792-93

  reply	other threads:[~2002-01-14  9:03 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-01-14  1:58 ISA hardware discovery -- the elegant solution Eric S. Raymond
2002-01-14  2:54 ` Larry McVoy
2002-01-14  8:46 ` Eric W. Biederman
2002-01-14  8:48   ` Eric S. Raymond [this message]
2002-01-14  9:17     ` H. Peter Anvin
2002-01-14 17:34     ` Eric W. Biederman
  -- strict thread matches above, loose matches on Subject: below --
2002-01-14  8:03 Zwane Mwaikambo
2002-01-14  9:44 ` Alan Cox
2002-01-14 14:00   ` Zwane Mwaikambo
     [not found] <fa.dardpev.1m1emjp@ifi.uio.no>
2002-01-14 10:14 ` Giacomo Catenazzi
2002-01-14 16:16   ` Eric S. Raymond
2002-01-14 16:38     ` Giacomo Catenazzi
2002-01-14 16:34       ` Eric S. Raymond
2002-01-14 17:48     ` Alan Cox
2002-01-14 17:55       ` Mr. James W. Laferriere
2002-01-14 18:08         ` Alan Cox
2002-01-14 17:59       ` Eric S. Raymond
2002-01-14 18:35         ` Alan Cox
2002-01-14 11:17 Michael Lazarou (ETL)
2002-01-14 16:11 ` Eric S. Raymond
2002-01-14 16:59   ` Eli Carter
2002-01-14 17:11     ` Wichert Akkerman
2002-01-14 18:33   ` Oliver Xymoron
2002-01-14 23:02     ` Tom Gilbert
2002-01-14 18:58   ` Andrew Pimlott
     [not found] <fa.r42lgsv.1b5e3p9@ifi.uio.no>
2002-01-14 12:30 ` Giacomo Catenazzi
2002-01-14 14:25 Michael Lazarou (ETL)
2002-01-14 14:47 ` Giacomo Catenazzi
2002-01-14 18:36 Stephen Shirley

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