Messages in this thread | | | Date | Sun, 5 Aug 2012 14:20:02 +0100 | From | Will Deacon <> | Subject | Re: [PATCH] ARM: Don't enable GENERIC_LOCKBREAK with ticket spinlocks |
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On Fri, Aug 03, 2012 at 11:42:42PM +0100, Stephen Boyd wrote: > Now that ARM has implemented its spinlocks with tickets we don't > need to use the generic lockbreak algorithm. Remove the Kconfig > from ARM so that we use the arch_spin_is_contended() definition > from the asm header. This also saves a word in each lock because > we don't need the break_lock member anymore. > > Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> > --- > > It seems we define the arch_spin_is_contended() macro but we don't > use it on SMP && PREEMPT kernels?
Thanks, I missed that.
Acked-by: Will Deacon <will.deacon@arm.com>
Will
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