Messages in this thread | | | Date | Fri, 21 Dec 2012 20:44:46 -0800 | Subject | Re: [RFC PATCH 2/3] x86,smp: proportional backoff for ticket spinlocks | From | Michel Lespinasse <> |
| |
On Fri, Dec 21, 2012 at 3:51 PM, Rik van Riel <riel@redhat.com> wrote: > Subject: x86,smp: proportional backoff for ticket spinlocks > > Simple fixed value proportional backoff for ticket spinlocks. > By pounding on the cacheline with the spin lock less often, > bus traffic is reduced. In cases of a data structure with > embedded spinlock, the lock holder has a better chance of > making progress. > > Signed-off-by: Rik van Riel <riel@redhat.com>
Looks fine to me other than the arbitrary-ness of 50
Reviewed-by: Michel Lespinasse <walken@google.com>
-- Michel "Walken" Lespinasse A program is never fully debugged until the last user dies.
| |