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authorJack Steiner <steiner@sgi.com>2009-06-17 16:28:25 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-06-18 13:04:00 -0700
commit4a7a17c1188a878e9f00e4ca8dc724c7cff17606 (patch)
treee7c728b3031534620fbb01ab0ae059ae28fd5f89 /drivers/misc/sgi-gru/grumain.c
parent940229b9c0dcd9b6e1d64d0d26eba00238ddae98 (diff)
gru: support instruction completion interrupts
Add support for interrupts generated by GRU instruction completion. Previously, the only interrupts were for TLB misses. The hardware also supports interrupts on instruction completion. This will be supported for instructions issued by the kernel. 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>
Diffstat (limited to 'drivers/misc/sgi-gru/grumain.c')
-rw-r--r--drivers/misc/sgi-gru/grumain.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/misc/sgi-gru/grumain.c b/drivers/misc/sgi-gru/grumain.c
index afc4c473c79..e38a0f1775f 100644
--- a/drivers/misc/sgi-gru/grumain.c
+++ b/drivers/misc/sgi-gru/grumain.c
@@ -572,8 +572,12 @@ void gru_load_context(struct gru_thread_state *gts)
if (is_kernel_context(gts)) {
cch->unmap_enable = 1;
+ cch->tfm_done_bit_enable = 1;
+ cch->cb_int_enable = 1;
} else {
cch->unmap_enable = 0;
+ cch->tfm_done_bit_enable = 0;
+ cch->cb_int_enable = 0;
asid = gru_load_mm_tracker(gru, gts);
for (i = 0; i < 8; i++) {
cch->asid[i] = asid + i;