* Linus Torvalds <torva...@linux-foundation.org> wrote:
> /*
> * Even if the access succeeded (likely case),
> * the cpu field may no longer be valid. FIXME:
> * this needs to validate that we can do a
> * get_cpu() and that we have the percpu area.
s/get_cpu/cpu_rq ?
> */
> if (cpu >= NR_CPUS)
> break;
>
> if (!cpu_online(cpu))
> break;
Regarding the FIXME, this should be safe already - at least on x86 we set
up all the possible-cpus-mask per CPU areas during bootup. So any CPU that
is online, will have a percpu area. (even in the most racy case)
Ingo
--
To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
