Andi Kleen wrote:
>> +
>> + do {
>> + state_time = state->state_entry_time;
>> + barrier();
>>
>
> Should be likely rmb
We discussed this, and decided that it wasn't necessary. The state is
always updated by the current CPU, so if it changes under our feet it
will be because we were preempted, and so that should shoot down any
speculated reads.
J
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
