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-rw-r--r--drivers/misc/sgi-gru/grutables.h17
1 files changed, 14 insertions, 3 deletions
diff --git a/drivers/misc/sgi-gru/grutables.h b/drivers/misc/sgi-gru/grutables.h
index 4ddb5b92acbb..1c85fdcf5d37 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
*/