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>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/misc/sgi-gru/grukservices.c b/drivers/misc/sgi-gru/grukservices.c
index 7d7952b27e03..ba6fcd963f30 100644
--- a/drivers/misc/sgi-gru/grukservices.c
+++ b/drivers/misc/sgi-gru/grukservices.c
@@ -406,7 +406,8 @@ static int gru_retry_exception(void *cb)
                         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;