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gru: support instruction completion interrupts

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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>
This commit is contained in:
Jack Steiner
2009-06-17 16:28:25 -07:00
committed by Linus Torvalds
parent 940229b9c0
commit 4a7a17c118
3 changed files with 29 additions and 7 deletions
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4
drivers/misc/sgi-gru/grumain.c
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@@ -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;