diff options
author | Paul Mackerras <paulus@samba.org> | 2008-08-20 09:18:20 +1000 |
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committer | Paul Mackerras <paulus@samba.org> | 2008-08-20 09:18:20 +1000 |
commit | d82bf490948eaf10023ff850d0b5c70e49e0ba76 (patch) | |
tree | a29439a64b62a042717d523babd3c37c57f00752 /arch | |
parent | a7f5aaf36ded825477c4d7167cc6eb1bcdc63191 (diff) | |
parent | cb9808d3d0cb0ed97197decadcf0431140b9e231 (diff) | |
download | op-kernel-dev-d82bf490948eaf10023ff850d0b5c70e49e0ba76.zip op-kernel-dev-d82bf490948eaf10023ff850d0b5c70e49e0ba76.tar.gz |
Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/jk/spufs into merge
Diffstat (limited to 'arch')
-rw-r--r-- | arch/powerpc/platforms/cell/spufs/run.c | 15 | ||||
-rw-r--r-- | arch/powerpc/platforms/cell/spufs/sched.c | 11 |
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 f7edba6..c9bb7cf 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) (SPU_RUNCNTL_RUNNABLE | SPU_RUNCNTL_ISOLATE); if (runcntl == 0) runcntl = SPU_RUNCNTL_RUNNABLE; - } - - if (ctx->flags & SPU_CREATE_NOSCHED) { - spuctx_switch_state(ctx, SPU_UTIL_USER); - ctx->ops->runcntl_write(ctx, runcntl); } else { unsigned long privcntl; @@ -219,9 +214,15 @@ static int spu_run_init(struct spu_context *ctx, u32 *npc) else privcntl = SPU_PRIVCNTL_MODE_NORMAL; - ctx->ops->npc_write(ctx, *npc); ctx->ops->privcntl_write(ctx, privcntl); - ctx->ops->runcntl_write(ctx, runcntl); + ctx->ops->npc_write(ctx, *npc); + } + + ctx->ops->runcntl_write(ctx, runcntl); + + if (ctx->flags & SPU_CREATE_NOSCHED) { + spuctx_switch_state(ctx, SPU_UTIL_USER); + } else { if (ctx->state == SPU_STATE_SAVED) { ret = spu_activate(ctx, 0); diff --git a/arch/powerpc/platforms/cell/spufs/sched.c b/arch/powerpc/platforms/cell/spufs/sched.c index 2deeeba..1c1b627 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) if (tmp && tmp->prio > ctx->prio && !(tmp->flags & SPU_CREATE_NOSCHED) && - (!victim || tmp->prio > victim->prio)) + (!victim || tmp->prio > victim->prio)) { victim = spu->ctx; + get_spu_context(victim); + } } mutex_unlock(&cbe_spu_info[node].list_mutex); @@ -658,6 +660,7 @@ static struct spu *find_victim(struct spu_context *ctx) * look at another context or give up after X retries. */ if (!mutex_trylock(&victim->state_mutex)) { + put_spu_context(victim); victim = NULL; goto restart; } @@ -670,6 +673,7 @@ static struct spu *find_victim(struct spu_context *ctx) * restart the search. */ mutex_unlock(&victim->state_mutex); + put_spu_context(victim); victim = NULL; goto restart; } @@ -687,6 +691,7 @@ static struct spu *find_victim(struct spu_context *ctx) spu_add_to_rq(victim); mutex_unlock(&victim->state_mutex); + put_spu_context(victim); return spu; } @@ -985,9 +990,11 @@ static int spusched_thread(void *unused) struct spu_context *ctx = spu->ctx; if (ctx) { + get_spu_context(ctx); mutex_unlock(mtx); spusched_tick(ctx); mutex_lock(mtx); + put_spu_context(ctx); } } mutex_unlock(mtx); @@ -1030,7 +1037,7 @@ void spuctx_switch_state(struct spu_context *ctx, node = spu->node; if (old_state == SPU_UTIL_USER) atomic_dec(&cbe_spu_info[node].busy_spus); - if (new_state == SPU_UTIL_USER); + if (new_state == SPU_UTIL_USER) atomic_inc(&cbe_spu_info[node].busy_spus); } } |