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powerpc: Avoid debug_smp_processor_id() check in SHARED_PROCESSOR
authorLi Zhong <zhong@linux.vnet.ibm.com>
Thu, 24 Jan 2013 21:51:13 +0000 (21:51 +0000)
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>
Tue, 29 Jan 2013 00:35:06 +0000 (11:35 +1100)
commit94c95cfbfe784eca5f4b96955e41bda1318605bc
treeb53ed3b764c16cd798ad4113aed7a6a66e513a60tree | snapshot
parent5e249d4528528c9a77da051a89ec7f99d31b83ebcommit | diff
powerpc: Avoid debug_smp_processor_id() check in SHARED_PROCESSOR

Use local_paca directly in macro SHARED_PROCESSOR, as all processors
have the same value for the field shared_proc, so we don't need care
racy here.

Reported-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: Li Zhong <zhong@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
arch/powerpc/include/asm/spinlock.h diff | blob | history
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