On Fri, Feb 7, 2014 at 10:28 PM, Torsten Duwe d...@lst.de wrote:
Ticket locks for ppc, version 2. Changes since v1:
* The atomically exchanged entity is always 32 bits.
* asm inline string variations thus removed.
* Carry the additional holder hint only #if defined(CONFIG_PPC_SPLPAR)
On Mon, Feb 10, 2014 at 8:40 AM, Benjamin Herrenschmidt
b...@kernel.crashing.org wrote:
On Fri, 2014-02-07 at 17:58 +0100, Torsten Duwe wrote:
typedef struct {
- volatile unsigned int slock;
-} arch_spinlock_t;
+ union {
+ __ticketpair_t head_tail;
+
