Messages in this thread | | | Date | Tue, 5 Oct 2004 21:46:05 -0700 | From | Andrew Morton <> | Subject | Re: Preempt? (was Re: Cannot enable DMA on SATA drive (SCSI-libsata, VIA SATA)) |
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Jeff Garzik <jgarzik@pobox.com> wrote: > > Preempt will always be something I ask people to turn off when reporting > driver bugs; it just adds too much complicated mess for zero gain.
What driver bugs are apparent with preemption which are not already SMP bugs?
Only thing I can think of is unguarded use of per-cpu data, and we have runtime debug checks for that now.
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