s390/spinlock: optimize spinlock code sequence
authorPhilipp Hachtmann <phacht@linux.vnet.ibm.com>
Mon, 7 Apr 2014 16:25:23 +0000 (18:25 +0200)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Tue, 20 May 2014 06:58:42 +0000 (08:58 +0200)
commit6c8cd5bbda7e6be166cf2e2dd4be5890193e17ac
tree0245d1a206b04c2cd2b5b4914dfb696205673861
parent5b3f683e694a835f5dfdab06102be1a50604c3b7
s390/spinlock: optimize spinlock code sequence

Use lowcore constant to improve the code generated for spinlocks.

[ Martin Schwidefsky: patch breakdown and code beautification ]

Signed-off-by: Philipp Hachtmann <phacht@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
arch/s390/include/asm/lowcore.h
arch/s390/include/asm/spinlock.h
arch/s390/kernel/setup.c
arch/s390/kernel/smp.c
arch/s390/lib/spinlock.c