[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Old Index]
Re: biodone() and splbio ?
On Tue, Jan 19, 2010 at 10:43:04PM +0100, Manuel Bouyer wrote:
> If not, dk.c needs to be fixed to raise to splbio() in its done routine.
> raidcframe already does it. I suspect ccdiodone() and vndiodone()
> need it too.
Maybe not; it seems ccd is MP-safe.
For vnd, the lack of appropriate spl call here can corrupt sc_active count,
but it seems it can't corrupt the buffer queue.
> cgdiodone() definitively needs it as the comment says it needs to be called
> at splbio.
The buffer queue could be corrupted here, because of this.
Too bad we don't have a geenric SPLASSERT() for this kind of stuff ...
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
NetBSD: 26 ans d'experience feront toujours la difference
Main Index |
Thread Index |