diff options
Diffstat (limited to 'gcell/src/include/gc_jd_queue_data.h')
-rw-r--r-- | gcell/src/include/gc_jd_queue_data.h | 27 |
1 files changed, 5 insertions, 22 deletions
diff --git a/gcell/src/include/gc_jd_queue_data.h b/gcell/src/include/gc_jd_queue_data.h index e5fa87499..3fd7270d5 100644 --- a/gcell/src/include/gc_jd_queue_data.h +++ b/gcell/src/include/gc_jd_queue_data.h @@ -35,31 +35,14 @@ __GC_BEGIN_DECLS * work. SPE's dequeue from here. * * FIXME make it lock free ;) For now, use a spin lock. + * + * (Fills a single cache line) */ - -typedef struct gc_jd_q_links -{ - gc_eaddr_t head _AL16; - gc_eaddr_t tail _AL16; -} gc_jd_q_links_t; - -typedef struct gc_jd_q_mutex -{ - uint32_t mutex; // libsync mutex (spin lock) - uint32_t _pad[31]; // pad to cache line so we can use putlluc on SPE -} _AL128 gc_jd_q_mutex_t; - -typedef struct gc_jd_q_flag -{ - uint32_t flag; // host writes this after enqueuing - uint32_t _pad[31]; // pad to cache line -} _AL128 gc_jd_q_flag_t; - typedef struct gc_jd_queue { - gc_jd_q_links_t l; - gc_jd_q_mutex_t m; - gc_jd_q_flag_t f; + gc_eaddr_t head _AL16; + gc_eaddr_t tail _AL16; + uint32_t mutex _AL16; // libsync mutex (spin lock) } _AL128 gc_jd_queue_t; __GC_END_DECLS |