Nicholas Piggin 2f6560e652 powerpc/qspinlock: Optimised atomic_try_cmpxchg_lock() that adds the lock hint ... This brings the behaviour of the uncontended fast path back to roughly equivalent to simple spinlocks -- a single atomic op with lock hint. Signed-off-by: Nicholas Piggin <npiggin@gmail.com> Acked-by: Waiman Long <longman@redhat.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20200724131423.1362108-6-npiggin@gmail.com		2020-07-27 00:01:29 +10:00
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asm	powerpc/qspinlock: Optimised atomic_try_cmpxchg_lock() that adds the lock hint	2020-07-27 00:01:29 +10:00
uapi/asm	KVM: PPC: Book3S HV: Save/restore new PMU registers	2020-07-22 21:56:41 +10:00