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ARM: 7484/1: Don't enable GENERIC_LOCKBREAK with ticket spinlocks

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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>
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Stephen Boyd 2012-08-06 18:43:42 +01:00 committed by Russell King
parent 3d9fb0038a
commit f1898f6be9
1 changed files with 0 additions and 5 deletions
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arch/arm/Kconfig
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@ -126,11 +126,6 @@ config TRACE_IRQFLAGS_SUPPORT
bool
default y
config GENERIC_LOCKBREAK
bool
default y
depends on SMP && PREEMPT
config RWSEM_GENERIC_SPINLOCK
bool
default y