Re: [PATCH v1 03/11] perf: Allow for multiple ring buffers per event

From: Alexander Shishkin
Date: Thu May 08 2014 - 08:35:33 EST


Peter Zijlstra <peterz@xxxxxxxxxxxxx> writes:

> So the aux_head/tail values should also be in the file space and not
> start at 0 again, similar for the offsets in the AUX record.

Thinking some more about it: if we keep aux_{offset,size} in userpg,
then it would make sense to have aux_{head,tail} run from 0 to infinity
similar to data_{head,tail}, especially considering that neither data_*
nor aux_* pointers are file offsets anyway.

Regards,
--
Alex
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/