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gru: add user request to specify gru slice

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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>
This commit is contained in:
Jack Steiner
2009-06-17 16:28:33 -07:00
committed by Linus Torvalds
parent 92b39388ee
commit b1b19fcfa4
4 changed files with 13 additions and 1 deletions
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7
drivers/misc/sgi-gru/grumain.c
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@@ -321,6 +321,7 @@ struct gru_thread_state *gru_alloc_gts(struct vm_area_struct *vma,
gts->ts_tsid = tsid;
gts->ts_ctxnum = NULLCTX;
gts->ts_tlb_int_select = -1;
gts->ts_cch_req_slice = -1;
gts->ts_sizeavail = GRU_SIZEAVAIL(PAGE_SHIFT);
if (vma) {
gts->ts_mm = current->mm;
@@ -566,6 +567,12 @@ void gru_load_context(struct gru_thread_state *gts)
gts->ts_tlb_int_select = gru_cpu_fault_map_id();
cch->tlb_int_select = gts->ts_tlb_int_select;
}
if (gts->ts_cch_req_slice >= 0) {
cch->req_slice_set_enable = 1;
cch->req_slice = gts->ts_cch_req_slice;
} else {
cch->req_slice_set_enable =0;
}
cch->tfm_done_bit_enable = 0;
cch->dsr_allocation_map = gts->ts_dsr_map;
cch->cbr_allocation_map = gts->ts_cbr_map;