lkml.org 
[lkml]   [2009]   [Dec]   [17]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [mm][RFC][PATCH 0/11] mm accessor updates.
On Thu, Dec 17, 2009 at 11:08:04AM -0800, Paul E. McKenney wrote:
> On Thu, Dec 17, 2009 at 06:53:39PM +0100, Andi Kleen wrote:
> > > OK, I have to ask...
> > >
> > > Why not just use the already-existing SRCU in this case?
> >
> > You right, SRCU could work.
> >
> > Still needs a lot more work of course.
>
> As discussed with Peter on IRC, I have been idly thinking about how I
> would implement SRCU if I were starting on it today. If you would like
> to see some specific improvements to SRCU, telling me about them would
> greatly increase the probability of my doing something about them. ;-)

I think actual RCU improvements are pretty low on the list for this
one, so far we're not even completely sure how it would all work
on the high level.

mmap_sem is a nasty lock, handlings lots of different things.

-Andi

--
ak@linux.intel.com -- Speaking for myself only.


\
 
 \ /
  Last update: 2009-12-17 20:57    [W:0.119 / U:0.060 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site