David Miller <davem@xxxxxxxxxxxxx> wrote: > > Would it be possible to use __thread annotations for per-CPU > > variables, I wonder? > > Paul Mackerras tried it on powerpc and you can't do it. > > The problem is that there is no way to tell the compiler that sched() > and similar (potentially) change the thread pointer base. > > It really will cache pre-computed __thread pointer calculations across > sched(). Yeah... I thought there might be something like that - but I could see x86_64 using %fs as a base. David -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
