Date: Fri, 11 Apr 2003 20:29:35 -0700 From: Jeffrey Hsu <hsu@FreeBSD.org> To: harti@FreeBSD.ORG Cc: freebsd-current@FreeBSD.ORG Subject: Re: LOR in if_detach Message-ID: <0HD7006Z9O9T0N@mta5.snfc21.pbi.net> In-Reply-To: "Your message of Fri, 11 Apr 2003 18:11:30 %2B0200." <20030411175926.U1137@beagle.fokus.fraunhofer.de>
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> Do you think of something like the following?
> static int
> foo_detach(device_t dev)
> {
> ...
>
> LOCK(softc);
The other big race here is between detach and the next attach.
This is better solved with a lock at the interface layer rather
than on the softc.
Jeffrey
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