diff options
| author | Jack Steiner <steiner@sgi.com> | 2009-12-16 03:48:13 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-16 18:20:16 +0300 |
| commit | c550222f64265c9384c45d7f691445386025a82b (patch) | |
| tree | 562d45bf656c8bafc9c0dd5b3897dba5da6ae9a3 /drivers/misc/sgi-gru/grutables.h | |
| parent | 57ebb0342c12f00e7a6d15ba59bb6c3ee501c3af (diff) | |
| download | linux-c550222f64265c9384c45d7f691445386025a82b.tar.xz | |
gru: preload tlb for bcopy instructions
Add anticipatory TLB dropins for GRU TLB misses that occur on BCOPY
instructions that copy large amounts of data.
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>
Diffstat (limited to 'drivers/misc/sgi-gru/grutables.h')
| -rw-r--r-- | drivers/misc/sgi-gru/grutables.h | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/misc/sgi-gru/grutables.h b/drivers/misc/sgi-gru/grutables.h index 76fe2987fc9f..adaf691d59f5 100644 --- a/drivers/misc/sgi-gru/grutables.h +++ b/drivers/misc/sgi-gru/grutables.h @@ -202,6 +202,7 @@ struct gru_stats_s { atomic_long_t check_context_retarget_intr; atomic_long_t check_context_unload; atomic_long_t tlb_dropin; + atomic_long_t tlb_preload_page; atomic_long_t tlb_dropin_fail_no_asid; atomic_long_t tlb_dropin_fail_upm; atomic_long_t tlb_dropin_fail_invalid; @@ -245,7 +246,8 @@ struct gru_stats_s { }; enum mcs_op {cchop_allocate, cchop_start, cchop_interrupt, cchop_interrupt_sync, - cchop_deallocate, tghop_invalidate, mcsop_last}; + cchop_deallocate, tfhop_write_only, tfhop_write_restart, + tghop_invalidate, mcsop_last}; struct mcs_op_statistic { atomic_long_t count; @@ -335,6 +337,7 @@ struct gru_vma_data { long vd_user_options;/* misc user option flags */ int vd_cbr_au_count; int vd_dsr_au_count; + unsigned char vd_tlb_preload_count; }; /* @@ -350,6 +353,7 @@ struct gru_thread_state { struct gru_state *ts_gru; /* GRU where the context is loaded */ struct gru_mm_struct *ts_gms; /* asid & ioproc struct */ + unsigned char ts_tlb_preload_count; /* TLB preload pages */ unsigned long ts_cbr_map; /* map of allocated CBRs */ unsigned long ts_dsr_map; /* map of allocated DATA resources */ @@ -661,7 +665,8 @@ extern int gru_proc_init(void); extern void gru_proc_exit(void); extern struct gru_thread_state *gru_alloc_gts(struct vm_area_struct *vma, - int cbr_au_count, int dsr_au_count, int options, int tsid); + int cbr_au_count, int dsr_au_count, + unsigned char tlb_preload_count, int options, int tsid); extern unsigned long gru_reserve_cb_resources(struct gru_state *gru, int cbr_au_count, char *cbmap); extern unsigned long gru_reserve_ds_resources(struct gru_state *gru, |