diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/misc/sgi-gru/grufault.c | 8 | ||||
| -rw-r--r-- | drivers/misc/sgi-gru/grumain.c | 30 | ||||
| -rw-r--r-- | drivers/misc/sgi-gru/grutables.h | 4 |
3 files changed, 13 insertions, 29 deletions
diff --git a/drivers/misc/sgi-gru/grufault.c b/drivers/misc/sgi-gru/grufault.c index 321ad809f345..9470303a9cb9 100644 --- a/drivers/misc/sgi-gru/grufault.c +++ b/drivers/misc/sgi-gru/grufault.c @@ -362,7 +362,7 @@ static int gru_try_dropin(struct gru_thread_state *gts, if (!(gts->ts_sizeavail & GRU_SIZEAVAIL(pageshift))) { gts->ts_sizeavail |= GRU_SIZEAVAIL(pageshift); - if (atomic || !gru_update_cch(gts, 0)) { + if (atomic || !gru_update_cch(gts)) { gts->ts_force_cch_reload = 1; goto failupm; } @@ -553,14 +553,12 @@ int gru_handle_user_call_os(unsigned long cb) */ if (gts->ts_gru && gts->ts_force_cch_reload) { gts->ts_force_cch_reload = 0; - gru_update_cch(gts, 0); + gru_update_cch(gts); } ret = -EAGAIN; cbrnum = thread_cbr_number(gts, ucbnum); - if (gts->ts_force_unload) { - gru_unload_context(gts, 1); - } else if (gts->ts_gru) { + if (gts->ts_gru) { tfh = get_tfh_by_index(gts->ts_gru, cbrnum); cbk = get_gseg_base_address_cb(gts->ts_gru->gs_gru_base_vaddr, gts->ts_ctxnum, ucbnum); diff --git a/drivers/misc/sgi-gru/grumain.c b/drivers/misc/sgi-gru/grumain.c index 54ad7544a9a0..9ec54bde4472 100644 --- a/drivers/misc/sgi-gru/grumain.c +++ b/drivers/misc/sgi-gru/grumain.c @@ -551,7 +551,6 @@ void gru_unload_context(struct gru_thread_state *gts, int savestate) if (cch_deallocate(cch)) BUG(); - gts->ts_force_unload = 0; /* ts_force_unload locked by CCH lock */ unlock_cch_handle(cch); gru_free_gru_context(gts); @@ -624,11 +623,8 @@ 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. */ -int gru_update_cch(struct gru_thread_state *gts, int force_unload) +int gru_update_cch(struct gru_thread_state *gts) { struct gru_context_configuration_handle *cch; struct gru_state *gru = gts->ts_gru; @@ -642,21 +638,13 @@ int gru_update_cch(struct gru_thread_state *gts, int force_unload) goto exit; if (cch_interrupt(cch)) BUG(); - 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(); - cch->tfm_fault_bit_enable = - (gts->ts_user_options == GRU_OPT_MISS_FMM_POLL - || gts->ts_user_options == GRU_OPT_MISS_FMM_INTR); - } else { - for (i = 0; i < 8; i++) - cch->asid[i] = 0; - cch->tfm_fault_bit_enable = 0; - cch->tlb_int_enable = 0; - gts->ts_force_unload = 1; - } + 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(); + cch->tfm_fault_bit_enable = + (gts->ts_user_options == GRU_OPT_MISS_FMM_POLL + || gts->ts_user_options == GRU_OPT_MISS_FMM_INTR); if (cch_start(cch)) BUG(); ret = 1; @@ -681,7 +669,7 @@ 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, 0); + return gru_update_cch(gts); } /* diff --git a/drivers/misc/sgi-gru/grutables.h b/drivers/misc/sgi-gru/grutables.h index 8a61a8599bac..676da7821992 100644 --- a/drivers/misc/sgi-gru/grutables.h +++ b/drivers/misc/sgi-gru/grutables.h @@ -382,8 +382,6 @@ struct gru_thread_state { char ts_blade; /* If >= 0, migrate context if ref from diferent blade */ char ts_force_cch_reload; - char ts_force_unload;/* force context to be unloaded - after migration */ char ts_cbr_idx[GRU_CBR_AU];/* CBR numbers of each allocated CB */ int ts_data_valid; /* Indicates if ts_gdata has @@ -636,7 +634,7 @@ extern struct gru_state *gru_assign_gru_context(struct gru_thread_state *gts); extern void gru_load_context(struct gru_thread_state *gts); extern void gru_steal_context(struct gru_thread_state *gts); extern void gru_unload_context(struct gru_thread_state *gts, int savestate); -extern int gru_update_cch(struct gru_thread_state *gts, int force_unload); +extern int gru_update_cch(struct gru_thread_state *gts); extern void gts_drop(struct gru_thread_state *gts); extern void gru_tgh_flush_init(struct gru_state *gru); extern int gru_kservices_init(void); |