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Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/jk/spufs into merge

This commit is contained in:
Paul Mackerras 2008-08-20 09:18:20 +10:00
parent a7f5aaf36d cb9808d3d0
commit d82bf49094
2 changed files with 17 additions and 9 deletions
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15
arch/powerpc/platforms/cell/spufs/run.c
View File

@ -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);

11
arch/powerpc/platforms/cell/spufs/sched.c
View File

@ -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);
}
}