SPU_CONTEXT_SWITCH_PENDING
if (!test_bit(SPU_CONTEXT_SWITCH_PENDING, &spu->flags))
if (!test_bit(SPU_CONTEXT_SWITCH_PENDING, &ctx->spu->flags))
set_bit(SPU_CONTEXT_SWITCH_PENDING, &spu->flags);
clear_bit(SPU_CONTEXT_SWITCH_PENDING, &spu->flags);