diff options
Diffstat (limited to 'drivers/misc/sgi-gru/grutables.h')
| -rw-r--r-- | drivers/misc/sgi-gru/grutables.h | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/drivers/misc/sgi-gru/grutables.h b/drivers/misc/sgi-gru/grutables.h index 4ddb5b92acb..1c85fdcf5d3 100644 --- a/drivers/misc/sgi-gru/grutables.h +++ b/drivers/misc/sgi-gru/grutables.h @@ -174,9 +174,12 @@ struct gru_stats_s { atomic_long_t assign_context; atomic_long_t assign_context_failed; atomic_long_t free_context; - atomic_long_t load_context; - atomic_long_t unload_context; - atomic_long_t steal_context; + atomic_long_t load_user_context; + atomic_long_t load_kernel_context; + atomic_long_t lock_kernel_context; + atomic_long_t unlock_kernel_context; + atomic_long_t steal_user_context; + atomic_long_t steal_kernel_context; atomic_long_t steal_context_failed; atomic_long_t nopfn; atomic_long_t break_cow; @@ -454,6 +457,9 @@ struct gru_blade_state { reserved cb */ void *kernel_dsr; /* First kernel reserved DSR */ + struct rw_semaphore bs_kgts_sema; /* lock for kgts */ + struct gru_thread_state *bs_kgts; /* GTS for kernel use */ + /* ---- the following are protected by the bs_lock spinlock ---- */ spinlock_t bs_lock; /* lock used for stealing contexts */ @@ -597,6 +603,11 @@ static inline void unlock_tgh_handle(struct gru_tlb_global_handle *tgh) __unlock_handle(tgh); } +static inline int is_kernel_context(struct gru_thread_state *gts) +{ + return !gts->ts_mm; +} + /*----------------------------------------------------------------------------- * Function prototypes & externs */ |