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.
-Andi
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Fri Dec 15 2000 - 21:00:16 EST