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path: root/drivers/misc/sgi-gru/grufault.c
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Diffstat (limited to 'drivers/misc/sgi-gru/grufault.c')
-rw-r--r--drivers/misc/sgi-gru/grufault.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/misc/sgi-gru/grufault.c b/drivers/misc/sgi-gru/grufault.c
index 6ff6dfb7516d..38657cdaf54d 100644
--- a/drivers/misc/sgi-gru/grufault.c
+++ b/drivers/misc/sgi-gru/grufault.c
@@ -438,6 +438,7 @@ static int gru_try_dropin(struct gru_state *gru,
438 } 438 }
439 439
440 gru_cb_set_istatus_active(cbk); 440 gru_cb_set_istatus_active(cbk);
441 gts->ustats.tlbdropin++;
441 tfh_write_restart(tfh, gpa, GAA_RAM, vaddr, asid, write, 442 tfh_write_restart(tfh, gpa, GAA_RAM, vaddr, asid, write,
442 GRU_PAGESIZE(pageshift)); 443 GRU_PAGESIZE(pageshift));
443 gru_dbg(grudev, 444 gru_dbg(grudev,
@@ -580,9 +581,9 @@ static irqreturn_t gru_intr(int chiplet, int blade)
580 * This is running in interrupt context. Trylock the mmap_sem. 581 * This is running in interrupt context. Trylock the mmap_sem.
581 * If it fails, retry the fault in user context. 582 * If it fails, retry the fault in user context.
582 */ 583 */
584 gts->ustats.fmm_tlbmiss++;
583 if (!gts->ts_force_cch_reload && 585 if (!gts->ts_force_cch_reload &&
584 down_read_trylock(&gts->ts_mm->mmap_sem)) { 586 down_read_trylock(&gts->ts_mm->mmap_sem)) {
585 gts->ustats.fmm_tlbdropin++;
586 gru_try_dropin(gru, gts, tfh, NULL); 587 gru_try_dropin(gru, gts, tfh, NULL);
587 up_read(&gts->ts_mm->mmap_sem); 588 up_read(&gts->ts_mm->mmap_sem);
588 } else { 589 } else {
@@ -624,7 +625,7 @@ static int gru_user_dropin(struct gru_thread_state *gts,
624 struct gru_mm_struct *gms = gts->ts_gms; 625 struct gru_mm_struct *gms = gts->ts_gms;
625 int ret; 626 int ret;
626 627
627 gts->ustats.upm_tlbdropin++; 628 gts->ustats.upm_tlbmiss++;
628 while (1) { 629 while (1) {
629 wait_event(gms->ms_wait_queue, 630 wait_event(gms->ms_wait_queue,
630 atomic_read(&gms->ms_range_active) == 0); 631 atomic_read(&gms->ms_range_active) == 0);