Messages in this thread | | | Date | Tue, 19 Oct 2010 22:38:13 +0200 (CEST) | From | Jiri Kosina <> | Subject | Re: [Ksummit-2010-discuss] [v2] Remaining BKL users, what to do |
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On Tue, 19 Oct 2010, Greg KH wrote:
> > > > So no need to clean it up for multiprocessor support. > > > > > > > > http://download.intel.com/design/chipsets/datashts/29067602.pdf > > > > http://www.intel.com/design/chipsets/specupdt/29069403.pdf > > > > > > Great, we can just drop all calls to lock_kernel() and the like in the > > > driver and be done with it, right? > > > > No, > > > > you still need to switch off preemption. > > Hm, how would you do that from within a driver?
preempt_disable()
-- Jiri Kosina SUSE Labs, Novell Inc.
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