I can't find help from Yinghai as he is not an Intel person.
I ran: gitk da76f64e7eb28b718501d15c1b79af560b7ca4ea and found there are 30+ dependent patches.
As this would be a big effort to backport all of them to Raring kernel, I will leave it for you to decide whether to enable this feature in Ubuntu 13.04 or move it to the next release via straightforward kernel upgrade.
Hi Tim,
I can't find help from Yinghai as he is not an Intel person.
I ran: gitk da76f64e7eb28b7 18501d15c1b79af 560b7ca4ea and found there are 30+ dependent patches.
As this would be a big effort to backport all of them to Raring kernel, I will leave it for you to decide whether to enable this feature in Ubuntu 13.04 or move it to the next release via straightforward kernel upgrade.