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On Tue, Jan 15 2002, Douglas Gilbert wrote: > John Weber <weber@nyc.rr.com> wrote: > > > This is one of those drivers still broken due to > > the BIO changes (it still calls io_request_lock()). > > > > Unfortunately, I only know enough to > > s/io_request_lock/host->host_lock/g. > > > > I am afraid this requires a little more than this. > > John, > The ppa_detect() must _not_ take the host_lock semaphore > as it is already taken by the mid level before it calls > ppa_detect(). [This will cause a lock up on an SMP > machine.] Not true in 2.5, detect is called without any locks held. > The ppa_interrupt() should take the host_lock semaphore > before it calls scsi_done() (which calls up the scsi > driver stack). True -- Jens Axboe - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | |||||||||
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