diff options
| author | Jack Steiner <steiner@sgi.com> | 2009-06-18 01:28:20 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-18 22:03:59 +0200 |
| commit | d57c82b10709bbb1deb7eb26cf42abcde8851e4d (patch) | |
| tree | 6e7e2a9e9e9254cfe63e94b8ee14cd1250324160 /drivers/misc | |
| parent | gru: dynamic allocation of kernel contexts (diff) | |
| download | linux-d57c82b10709bbb1deb7eb26cf42abcde8851e4d.tar.xz linux-d57c82b10709bbb1deb7eb26cf42abcde8851e4d.zip | |
gru: change context load and unload
Remove "static" from the functions for loading/unloading GRU contexts.
These functions will be called from other GRU files. Fix bug in unlocking
gru context.
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')
| -rw-r--r-- | drivers/misc/sgi-gru/grufault.c | 4 | ||||
| -rw-r--r-- | drivers/misc/sgi-gru/grumain.c | 10 | ||||
| -rw-r--r-- | drivers/misc/sgi-gru/grutables.h | 4 |
3 files changed, 11 insertions, 7 deletions
diff --git a/drivers/misc/sgi-gru/grufault.c b/drivers/misc/sgi-gru/grufault.c index 4089f862aa29..f15152165a99 100644 --- a/drivers/misc/sgi-gru/grufault.c +++ b/drivers/misc/sgi-gru/grufault.c @@ -558,8 +558,8 @@ int gru_handle_user_call_os(unsigned long cb) * CCH may contain stale data if ts_force_cch_reload is set. */ if (gts->ts_gru && gts->ts_force_cch_reload) { - gru_update_cch(gts, 0); gts->ts_force_cch_reload = 0; + gru_update_cch(gts, 0); } ret = -EAGAIN; @@ -644,7 +644,7 @@ static int gru_unload_all_contexts(void) if (gts && mutex_trylock(>s->ts_ctxlock)) { spin_unlock(&gru->gs_lock); gru_unload_context(gts, 1); - gru_unlock_gts(gts); + mutex_unlock(>s->ts_ctxlock); spin_lock(&gru->gs_lock); } } diff --git a/drivers/misc/sgi-gru/grumain.c b/drivers/misc/sgi-gru/grumain.c index 14baabc79da4..6358244f392d 100644 --- a/drivers/misc/sgi-gru/grumain.c +++ b/drivers/misc/sgi-gru/grumain.c @@ -533,7 +533,7 @@ void gru_unload_context(struct gru_thread_state *gts, int savestate) * Load a GRU context by copying it from the thread data structure in memory * to the GRU. */ -static void gru_load_context(struct gru_thread_state *gts) +void gru_load_context(struct gru_thread_state *gts) { struct gru_state *gru = gts->ts_gru; struct gru_context_configuration_handle *cch; @@ -600,8 +600,8 @@ int gru_update_cch(struct gru_thread_state *gts, int force_unload) 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); + (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; @@ -645,7 +645,7 @@ static int gru_retarget_intr(struct gru_thread_state *gts) #define next_gru(b, g) (((g) < &(b)->bs_grus[GRU_CHIPLETS_PER_BLADE - 1]) ? \ ((g)+1) : &(b)->bs_grus[0]) -static void gru_steal_context(struct gru_thread_state *gts, int blade_id) +void gru_steal_context(struct gru_thread_state *gts, int blade_id) { struct gru_blade_state *blade; struct gru_state *gru, *gru0; @@ -711,7 +711,7 @@ static void gru_steal_context(struct gru_thread_state *gts, int blade_id) /* * Scan the GRUs on the local blade & assign a GRU context. */ -static struct gru_state *gru_assign_gru_context(struct gru_thread_state *gts, +struct gru_state *gru_assign_gru_context(struct gru_thread_state *gts, int blade) { struct gru_state *gru, *grux; diff --git a/drivers/misc/sgi-gru/grutables.h b/drivers/misc/sgi-gru/grutables.h index c69086c9b986..4ddb5b92acbb 100644 --- a/drivers/misc/sgi-gru/grutables.h +++ b/drivers/misc/sgi-gru/grutables.h @@ -611,6 +611,10 @@ extern struct gru_thread_state *gru_find_thread_state(struct vm_area_struct *vma, int tsid); extern struct gru_thread_state *gru_alloc_thread_state(struct vm_area_struct *vma, int tsid); +extern struct gru_state *gru_assign_gru_context(struct gru_thread_state *gts, + int blade); +extern void gru_load_context(struct gru_thread_state *gts); +extern void gru_steal_context(struct gru_thread_state *gts, int blade_id); 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 void gts_drop(struct gru_thread_state *gts); |