Messages in this thread | | | Subject | Re: [PATCH 2.6.20-rc4 1/4] futex priority based wakeup | From | Daniel Walker <> | Date | Wed, 10 Jan 2007 08:33:29 -0800 |
| |
On Wed, 2007-01-10 at 17:29 +0100, Pierre Peiffer wrote:
> > > > Is this really necessary? The rtmutex will priority sort the waiters > > when you enable priority inheritance. Inside the wake_futex_pi() it > > actually just pulls the new owner off another plist inside the the > > rtmutex structure. > > Yes. ... necessary for non-PI-futex (ie "normal" futex)... > > As the hash_bucket_list is used and common for both futex and PI-futex, yes, in > case of PI_futex, the task is queued two times in two plist.
You could make them distinct .. Also Did you consider merging the PI path and the non-PI code path? then you could modify the rtmutex to toggle PI depending .
Daniel
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |