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authorPaul Mackerras <paulus@samba.org>2008-08-19 19:18:20 -0400
committerPaul Mackerras <paulus@samba.org>2008-08-19 19:18:20 -0400
commitd82bf490948eaf10023ff850d0b5c70e49e0ba76 (patch)
treea29439a64b62a042717d523babd3c37c57f00752 /arch/powerpc/platforms
parenta7f5aaf36ded825477c4d7167cc6eb1bcdc63191 (diff)
parentcb9808d3d0cb0ed97197decadcf0431140b9e231 (diff)
Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/jk/spufs into merge
Diffstat (limited to 'arch/powerpc/platforms')
-rw-r--r--arch/powerpc/platforms/cell/spufs/run.c15
-rw-r--r--arch/powerpc/platforms/cell/spufs/sched.c11
2 files changed, 17 insertions, 9 deletions
diff --git a/arch/powerpc/platforms/cell/spufs/run.c b/arch/powerpc/platforms/cell/spufs/run.c
index f7edba6cb795..c9bb7cfd3dca 100644
--- a/arch/powerpc/platforms/cell/spufs/run.c
+++ b/arch/powerpc/platforms/cell/spufs/run.c
@@ -206,11 +206,6 @@ static int spu_run_init(struct spu_context *ctx, u32 *npc)
206 (SPU_RUNCNTL_RUNNABLE | SPU_RUNCNTL_ISOLATE); 206 (SPU_RUNCNTL_RUNNABLE | SPU_RUNCNTL_ISOLATE);
207 if (runcntl == 0) 207 if (runcntl == 0)
208 runcntl = SPU_RUNCNTL_RUNNABLE; 208 runcntl = SPU_RUNCNTL_RUNNABLE;
209 }
210
211 if (ctx->flags & SPU_CREATE_NOSCHED) {
212 spuctx_switch_state(ctx, SPU_UTIL_USER);
213 ctx->ops->runcntl_write(ctx, runcntl);
214 } else { 209 } else {
215 unsigned long privcntl; 210 unsigned long privcntl;
216 211
@@ -219,9 +214,15 @@ static int spu_run_init(struct spu_context *ctx, u32 *npc)
219 else 214 else
220 privcntl = SPU_PRIVCNTL_MODE_NORMAL; 215 privcntl = SPU_PRIVCNTL_MODE_NORMAL;
221 216
222 ctx->ops->npc_write(ctx, *npc);
223 ctx->ops->privcntl_write(ctx, privcntl); 217 ctx->ops->privcntl_write(ctx, privcntl);
224 ctx->ops->runcntl_write(ctx, runcntl); 218 ctx->ops->npc_write(ctx, *npc);
219 }
220
221 ctx->ops->runcntl_write(ctx, runcntl);
222
223 if (ctx->flags & SPU_CREATE_NOSCHED) {
224 spuctx_switch_state(ctx, SPU_UTIL_USER);
225 } else {
225 226
226 if (ctx->state == SPU_STATE_SAVED) { 227 if (ctx->state == SPU_STATE_SAVED) {
227 ret = spu_activate(ctx, 0); 228 ret = spu_activate(ctx, 0);
diff --git a/arch/powerpc/platforms/cell/spufs/sched.c b/arch/powerpc/platforms/cell/spufs/sched.c
index 2deeeba7eccf..1c1b627ee843 100644
--- a/arch/powerpc/platforms/cell/spufs/sched.c
+++ b/arch/powerpc/platforms/cell/spufs/sched.c
@@ -641,8 +641,10 @@ static struct spu *find_victim(struct spu_context *ctx)
641 641
642 if (tmp && tmp->prio > ctx->prio && 642 if (tmp && tmp->prio > ctx->prio &&
643 !(tmp->flags & SPU_CREATE_NOSCHED) && 643 !(tmp->flags & SPU_CREATE_NOSCHED) &&
644 (!victim || tmp->prio > victim->prio)) 644 (!victim || tmp->prio > victim->prio)) {
645 victim = spu->ctx; 645 victim = spu->ctx;
646 get_spu_context(victim);
647 }
646 } 648 }
647 mutex_unlock(&cbe_spu_info[node].list_mutex); 649 mutex_unlock(&cbe_spu_info[node].list_mutex);
648 650
@@ -658,6 +660,7 @@ static struct spu *find_victim(struct spu_context *ctx)
658 * look at another context or give up after X retries. 660 * look at another context or give up after X retries.
659 */ 661 */
660 if (!mutex_trylock(&victim->state_mutex)) { 662 if (!mutex_trylock(&victim->state_mutex)) {
663 put_spu_context(victim);
661 victim = NULL; 664 victim = NULL;
662 goto restart; 665 goto restart;
663 } 666 }
@@ -670,6 +673,7 @@ static struct spu *find_victim(struct spu_context *ctx)
670 * restart the search. 673 * restart the search.
671 */ 674 */
672 mutex_unlock(&victim->state_mutex); 675 mutex_unlock(&victim->state_mutex);
676 put_spu_context(victim);
673 victim = NULL; 677 victim = NULL;
674 goto restart; 678 goto restart;
675 } 679 }
@@ -687,6 +691,7 @@ static struct spu *find_victim(struct spu_context *ctx)
687 spu_add_to_rq(victim); 691 spu_add_to_rq(victim);
688 692
689 mutex_unlock(&victim->state_mutex); 693 mutex_unlock(&victim->state_mutex);
694 put_spu_context(victim);
690 695
691 return spu; 696 return spu;
692 } 697 }
@@ -985,9 +990,11 @@ static int spusched_thread(void *unused)
985 struct spu_context *ctx = spu->ctx; 990 struct spu_context *ctx = spu->ctx;
986 991
987 if (ctx) { 992 if (ctx) {
993 get_spu_context(ctx);
988 mutex_unlock(mtx); 994 mutex_unlock(mtx);
989 spusched_tick(ctx); 995 spusched_tick(ctx);
990 mutex_lock(mtx); 996 mutex_lock(mtx);
997 put_spu_context(ctx);
991 } 998 }
992 } 999 }
993 mutex_unlock(mtx); 1000 mutex_unlock(mtx);
@@ -1030,7 +1037,7 @@ void spuctx_switch_state(struct spu_context *ctx,
1030 node = spu->node; 1037 node = spu->node;
1031 if (old_state == SPU_UTIL_USER) 1038 if (old_state == SPU_UTIL_USER)
1032 atomic_dec(&cbe_spu_info[node].busy_spus); 1039 atomic_dec(&cbe_spu_info[node].busy_spus);
1033 if (new_state == SPU_UTIL_USER); 1040 if (new_state == SPU_UTIL_USER)
1034 atomic_inc(&cbe_spu_info[node].busy_spus); 1041 atomic_inc(&cbe_spu_info[node].busy_spus);
1035 } 1042 }
1036} 1043}