Messages in this thread | | | Date | Wed, 27 May 2015 08:53:49 +0200 | From | Peter Zijlstra <> | Subject | Re: [RFC][PATCH 0/5] Optimize percpu-rwsem |
| |
On Tue, May 26, 2015 at 11:42:11AM -0700, Davidlohr Bueso wrote:
> Instead of dropping percpu-rwsem, I was thinking we could instead look > for opportunities to convert new users, for instance shinkers, where the > write lock is also taken just for register and unregister purposes, > similar to uprobes.
Another 'obvious' one would be the cpu hotplug lock. That's basically the same locking primitive with just a wee little difference.
| |