Messages in this thread | ![/](/images/icornerl.gif) | | Date | Wed, 18 Jun 2003 17:20:07 -0700 | From | Chris Wright <> | Subject | Re: [RFC] PCI device list locking - take 2 |
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* Greg KH (greg@kroah.com) wrote: > On Wed, Jun 18, 2003 at 04:32:37PM -0700, Chris Wright wrote: > > I'm not sure testing a valid ->next makes sense. It could be non-NULL, > > but poison, or if it was using list_del_init, it would be stuck in loop. > > When we take the devices off of the list, after list_del(), still under > the lock, we can null out the list pointers. Then, later under the > lock, we can check the pointer before we move to it. We aren't doing > fancy list_* functions with the pci device lists at all.
Ah, ok, that should work.
thanks, -chris -- Linux Security Modules http://lsm.immunix.org http://lsm.bkbits.net - 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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