On Mon, 2016-08-15 at 21:30 +0200, Colin Vidal wrote: > Hello, > > At the beginning of __schedule (kernel/sched/core.c), the current > task > is get with rq->curr. I try to to understand why not directly using > current instead? > > Since a runqueue is specific to a CPU, it dosen't make sense to get > the > the current task of another CPU's runqueue. Yes? > > I try the following of Linus's master branch > > - int cpu; > > - cpu = smp_processor_id(); > - rq = cpu_rq(cpu); > - prev = rq->curr; > + rq = cpu_rq(smp_processor_id()); > + prev = current; > > and it seems to work (only tested on x86-64), but... To simple? > > Thanks! > > Colin
I realize that I have forgotten to add scheduler subsystem in CC... So I do it now. Sorry for double post. Thanks Colin
