diff options
Diffstat (limited to 'drivers/misc/sgi-gru/grukservices.c')
| -rw-r--r-- | drivers/misc/sgi-gru/grukservices.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/misc/sgi-gru/grukservices.c b/drivers/misc/sgi-gru/grukservices.c index 24ec109e61cc..8c81aca0463a 100644 --- a/drivers/misc/sgi-gru/grukservices.c +++ b/drivers/misc/sgi-gru/grukservices.c @@ -395,6 +395,7 @@ int gru_get_cb_exception_detail(void *cb, cbrnum = thread_cbr_number(bs->bs_kgts, get_cb_number(cb)); cbe = get_cbe(GRUBASE(cb), cbrnum); gru_flush_cache(cbe); /* CBE not coherent */ + sync_core(); excdet->opc = cbe->opccpy; excdet->exopc = cbe->exopccpy; excdet->ecause = cbe->ecause; @@ -461,9 +462,10 @@ int gru_check_status_proc(void *cb) int ret; ret = gen->istatus; - if (ret != CBS_EXCEPTION) - return ret; - return gru_retry_exception(cb); + if (ret == CBS_EXCEPTION) + ret = gru_retry_exception(cb); + rmb(); + return ret; } @@ -475,7 +477,7 @@ int gru_wait_proc(void *cb) ret = gru_wait_idle_or_exception(gen); if (ret == CBS_EXCEPTION) ret = gru_retry_exception(cb); - + rmb(); return ret; } |