diff options
Diffstat (limited to 'arch/powerpc/platforms/cell/spufs/context.c')
| -rw-r--r-- | arch/powerpc/platforms/cell/spufs/context.c | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/arch/powerpc/platforms/cell/spufs/context.c b/arch/powerpc/platforms/cell/spufs/context.c index 290b10e45105..237e152d31dc 100644 --- a/arch/powerpc/platforms/cell/spufs/context.c +++ b/arch/powerpc/platforms/cell/spufs/context.c @@ -106,7 +106,17 @@ int put_spu_context(struct spu_context *ctx) void spu_forget(struct spu_context *ctx) { struct mm_struct *mm; - spu_acquire_saved(ctx); + + /* + * This is basically an open-coded spu_acquire_saved, except that + * we don't acquire the state mutex interruptible. + */ + mutex_lock(&ctx->state_mutex); + if (ctx->state != SPU_STATE_SAVED) { + set_bit(SPU_SCHED_WAS_ACTIVE, &ctx->sched_flags); + spu_deactivate(ctx); + } + mm = ctx->owner; ctx->owner = NULL; mmput(mm); @@ -137,13 +147,20 @@ void spu_unmap_mappings(struct spu_context *ctx) * spu_acquire_saved - lock spu contex and make sure it is in saved state * @ctx: spu contex to lock */ -void spu_acquire_saved(struct spu_context *ctx) +int spu_acquire_saved(struct spu_context *ctx) { - spu_acquire(ctx); + int ret; + + ret = spu_acquire(ctx); + if (ret) + return ret; + if (ctx->state != SPU_STATE_SAVED) { set_bit(SPU_SCHED_WAS_ACTIVE, &ctx->sched_flags); spu_deactivate(ctx); } + + return 0; } /** |