Date: Wed, 30 Apr 1997 18:05:48 +1000 From: Bruce Evans <bde@zeta.org.au> To: avalon@coombs.anu.edu.au, msmith@atrad.adelaide.edu.au Cc: bde@zeta.org.au, hackers@FreeBSD.org Subject: Re: Unloading LKMs (was Re: A Desparate Plea for Help...) Message-ID: <199704300805.SAA11920@godzilla.zeta.org.au>
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>> > Er, AFAIK unloading LKM drivers is broken in all cases. It certainly
^^^^^^^
>Hmmm, IP Filter unloads and reloads easily enough.
It's not a driver.
>However, give some thought to a process which is in a kernel sleep state,
>inside the LKM and theLKM is removed, leaving the process still sleeping
>on a now invalid address.
Drivers are supposed to do nothing return nonzero in their unload function
if they are busy.
Bruce
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