gru: add user request to specify gru slice
Add a user request to specify the gru instruction slice parameter for user
contexts.
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/grufault.c b/drivers/misc/sgi-gru/grufault.c
index b894b7e..1ad360c 100644
--- a/drivers/misc/sgi-gru/grufault.c
+++ b/drivers/misc/sgi-gru/grufault.c
@@ -769,6 +769,10 @@
/* Register the current task as the GSEG owner */
gts->ts_tgid_owner = current->tgid;
break;
+ case sco_cch_req_slice:
+ /* Set the CCH slice option */
+ gts->ts_cch_req_slice = req.val1 & 3;
+ break;
default:
ret = -EINVAL;
}