Re: [PATCH] [request for inclusion] Realtime LSM

Christoph Hellwig
2005-01-03T14:04:06Z

On Wed, Dec 29, 2004 at 09:43:22PM -0500, Lee Revell wrote:
> The realtime LSM has been previously explained on this list. Its
> function is to allow selected nonroot users to run RT tasks. The most
> common application is low latency audio with JACK, http://jackit.sf.net.
>
> Several people have reported that 2.6.10 is the best kernel yet for
> audio latency, see
> http://ccrma-mail.stanford.edu/pipermail/planetccrma/2004-December/007341.html. If the realtime LSM were merged, then this would be the last step to making low latency audio work well with the stock kernel.
>
> We (the authors and the Linux audio community) would like to request its
> inclusion in the next -mm release, with the eventual goal of having it
> in mainline.
>
> This is identical to the last version Jack O'Quin posted (but didn't cc:
> Andrew, or make clear that we would like this added to -mm), so I
> preserved his Signed-Off-By.

This is far too specialized. And option to the capability LSM to grant
capabilities to certain uids/gids sounds like the better choise - and
would also allow to get rid of the magic hugetlb uid horrors.