PA-RISC's cmpxchg is not save against normal stores and the code used for optimistic spinning is known broken because of this.
Disable for now. [Changelog from PeterZ] Reported-by: Mikulas Patocka <mpato...@redhat.com> Signed-off-by: Davidlohr Bueso <davidl...@hp.com> --- kernel/Kconfig.locks | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/Kconfig.locks b/kernel/Kconfig.locks index e4c3162..125c77a 100644 --- a/kernel/Kconfig.locks +++ b/kernel/Kconfig.locks @@ -226,7 +226,7 @@ config MUTEX_SPIN_ON_OWNER config RWSEM_SPIN_ON_OWNER def_bool y - depends on SMP && RWSEM_XCHGADD_ALGORITHM + depends on SMP && RWSEM_XCHGADD_ALGORITHM && !PARISC config ARCH_USE_QUEUE_RWLOCK bool -- 1.8.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/