Am Samstag, 3. Februar 2007 23:02 schrieb Alan Stern:
> Obviously we can't afford to use a single dedicated buffer like this.  
> Each thread reading a hub's port status will have to provide its own
> buffer, or more simply, we will have to allocate a buffer dynamically for
> every read instead of using a single static buffer.  I don't like the 
> overhead of all those kmalloc and kfree calls for a 4-byte buffer, but the 
> simplicity is very attractive.
> 
> What do you think is the best way to solve this?

If you want simplicity, I'd suggest serialization. kmalloc for 4 bytes
is overkill. I think it is even faster if we block on the cases there's
a collision that go through kmalloc/kfree each time.

        Regards
                Oliver

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