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authorMichael Ellerman <mpe@ellerman.id.au>2014-01-15 08:14:29 +0100
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2014-01-28 04:45:44 +0100
commit7179ba52889bef7e5e23f72908270e1ab2b7fc6f (patch)
tree4904e3a0268095e0242b29adc782708a7729ccc8 /drivers/net/arcnet
parentpowerpc: Add support for the optimised lockref implementation (diff)
downloadlinux-7179ba52889bef7e5e23f72908270e1ab2b7fc6f.tar.xz
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powerpc: Implement arch_spin_is_locked() using arch_spin_value_unlocked()
At a glance these are just the inverse of each other. The one subtlety is that arch_spin_value_unlocked() takes the lock by value, rather than as a pointer, which is important for the lockref code. On the other hand arch_spin_is_locked() doesn't really care, so implement it in terms of arch_spin_value_unlocked(). Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'drivers/net/arcnet')
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