diff options
Diffstat (limited to 'drivers/misc/sgi-gru/grumain.c')
| -rw-r--r-- | drivers/misc/sgi-gru/grumain.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/drivers/misc/sgi-gru/grumain.c b/drivers/misc/sgi-gru/grumain.c index 5fc7b5ecde6..ec3f7a17d22 100644 --- a/drivers/misc/sgi-gru/grumain.c +++ b/drivers/misc/sgi-gru/grumain.c @@ -326,6 +326,7 @@ static struct gru_thread_state *gru_alloc_gts(struct vm_area_struct *vma, gts->ts_vma = vma; gts->ts_tlb_int_select = -1; gts->ts_gms = gru_register_mmu_notifier(); + gts->ts_sizeavail = GRU_SIZEAVAIL(PAGE_SHIFT); if (!gts->ts_gms) goto err; @@ -552,7 +553,8 @@ static void gru_load_context(struct gru_thread_state *gts) cch->tlb_int_select = gts->ts_tlb_int_select; } cch->tfm_done_bit_enable = 0; - err = cch_allocate(cch, asid, gts->ts_cbr_map, gts->ts_dsr_map); + err = cch_allocate(cch, asid, gts->ts_sizeavail, gts->ts_cbr_map, + gts->ts_dsr_map); if (err) { gru_dbg(grudev, "err %d: cch %p, gts %p, cbr 0x%lx, dsr 0x%lx\n", @@ -573,11 +575,12 @@ static void gru_load_context(struct gru_thread_state *gts) /* * Update fields in an active CCH: * - retarget interrupts on local blade + * - update sizeavail mask * - force a delayed context unload by clearing the CCH asids. This * forces TLB misses for new GRU instructions. The context is unloaded * when the next TLB miss occurs. */ -static int gru_update_cch(struct gru_thread_state *gts, int int_select) +int gru_update_cch(struct gru_thread_state *gts, int force_unload) { struct gru_context_configuration_handle *cch; struct gru_state *gru = gts->ts_gru; @@ -591,9 +594,11 @@ static int gru_update_cch(struct gru_thread_state *gts, int int_select) goto exit; if (cch_interrupt(cch)) BUG(); - if (int_select >= 0) { - gts->ts_tlb_int_select = int_select; - cch->tlb_int_select = int_select; + if (!force_unload) { + for (i = 0; i < 8; i++) + cch->sizeavail[i] = gts->ts_sizeavail; + gts->ts_tlb_int_select = gru_cpu_fault_map_id(); + cch->tlb_int_select = gru_cpu_fault_map_id(); } else { for (i = 0; i < 8; i++) cch->asid[i] = 0; @@ -625,7 +630,7 @@ static int gru_retarget_intr(struct gru_thread_state *gts) gru_dbg(grudev, "retarget from %d to %d\n", gts->ts_tlb_int_select, gru_cpu_fault_map_id()); - return gru_update_cch(gts, gru_cpu_fault_map_id()); + return gru_update_cch(gts, 0); } |