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4 Commits

Author SHA1 Message Date
Kyle McMartin
a5ef7ca0e2 x86: spinlocks: define dummy __raw_spin_is_contended 
Architectures other than mips and x86 are not using ticket spinlocks.
Therefore, the contention on the lock is meaningless, since there is
nobody known to be waiting on it (arguably /fairly/ unfair locks).

Dummy it out to return 0 on other architectures.

Signed-off-by: Kyle McMartin <kyle@redhat.com>
Acked-by: Ralf Baechle <ralf@linux-mips.org>
Acked-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2009-02-09 08:15:39 -08:00
Johannes Dickgreber
9b8f3863d9 MIPS: Fix wrong branch target in new spin_lock code. 
Signed-off-by: Johannes Dickgreber <tanzy@gmx.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2008-10-15 12:46:50 +01:00
Ralf Baechle
2a31b03335 MIPS: Rewrite spinlocks to ticket locks. 
Based on patch by Chad Reese of Cavium Networks.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2008-10-11 16:18:54 +01:00
Ralf Baechle
384740dc49 MIPS: Move headfiles to new location below arch/mips/include 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2008-10-11 16:18:52 +01:00