Messages in this thread |  | | Date | Sat, 9 Dec 2000 01:14:57 +0100 | From | Andi Kleen <> | Subject | Re: io_request_lock question (2.2) |
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On Fri, Dec 08, 2000 at 04:03:58PM -0800, Matthew Jacob wrote: > > > On Fri, 8 Dec 2000, Alan Cox wrote: > > > > Yes, and I believe that this is what's broken about the SCSI midlayer. The the > > > io_request_lock cannot be completely released in a SCSI HBA because the flags > > > > You can drop it with spin_unlock_irq and that is fine. I do that with no > > problems in the I2O scsi driver for example > > I am (like, I think I *finally* got locking sorta right in my QLogic driver), > but doesn't this still leave ints blocked for this CPU at least?
spin_unlock_irq() does a __sti() spin_unlock() doesn't.
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