gru: update to rev 0.9 of gru spec
Update GRU driver to the latest version of the GRU spec. This consists
of minor updates:
- changes & additions to error status bits
- new restriction on handling of TLB misses while in FMM mode
- new field (not used by software) in TFH
Signed-off-by: Jack Steiner <steiner@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/misc/sgi-gru/grukservices.c b/drivers/misc/sgi-gru/grukservices.c
index 7d7952b..ba6fcd9 100644
--- a/drivers/misc/sgi-gru/grukservices.c
+++ b/drivers/misc/sgi-gru/grukservices.c
@@ -406,7 +406,8 @@
return CBS_IDLE;
gru_get_cb_exception_detail(cb, &excdet);
- if (excdet.ecause & ~EXCEPTION_RETRY_BITS)
+ if ((excdet.ecause & ~EXCEPTION_RETRY_BITS) ||
+ (excdet.cbrexecstatus & CBR_EXS_ABORT_OCC))
break;
if (retry-- == 0)
break;