s390/spinlock: use the cpu number +1 as spinlock value
authorMartin Schwidefsky <schwidefsky@de.ibm.com>
Sun, 4 Dec 2016 13:36:04 +0000 (14:36 +0100)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Thu, 28 Sep 2017 05:29:44 +0000 (07:29 +0200)
commit8153380379ecc8381f6d55f6497de31a36c75aa5
tree37dd4e46216cd29ebcecd564cfb9f29e58fcb801
parent1887aa07b6765d345dd79f26017aa2d15d49d7af
s390/spinlock: use the cpu number +1 as spinlock value

The queued spinlock code will come out simpler if the encoding of
the CPU that holds the spinlock is (cpu+1) instead of (~cpu).

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
arch/s390/include/asm/spinlock.h
arch/s390/lib/spinlock.c