Date: Sat, 09 Sep 2000 12:41:06 -0700 From: Julian Elischer <julian@elischer.org> To: Poul-Henning Kamp <phk@freebsd.org> Cc: arch@freebsd.org, smp@freebsd.org Subject: Re: Device probing... Message-ID: <39BA9252.794BDF32@elischer.org> References: <89354.968526601@critter>
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Poul-Henning Kamp wrote:
>
> I would really like to se us move all the device probe/attach code
> to run in "normal context", ie enable interrupts before we probe
> everything.
>
> The main argument for this is the drivers can then use the full
> complement of kernel infrastructure and interrupts during probe
> attach.
>
> Drivers needs to be able to function in this environment anyway
> if they support removeable devices (pccard, usb, etc).
>
> Are there reasons to not do this I have overlooked ?
I know of no reason not to, and in fact the old BSD code used to do
this in order to try work out what interrupt a device was on.
(though with shared interrupts this gets harder)
>
> --
> Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
> phk@FreeBSD.ORG | TCP/IP since RFC 956
> FreeBSD coreteam member | BSD since 4.3-tahoe
> Never attribute to malice what can adequately be explained by incompetence.
>
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( OZ ) World tour 2000
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