Re: [Xen-devel] Ticket spinlocks and MP guests

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

On 15/2/08 01:03, "Tian, Kevin" <kevin.tian@xxxxxxxxx> wrote:

>> I suppose it depends whether there are any hot spinlocks in
>> the kernel these
>> days. I know things have improved a lot in recent years with
>> things like
>> RCU. Most spinlock regions are now pretty short.
>> 
> 
> The side effect is to enlarge average critical section length, if
> most spinlock regions are pretty short.

Side effect of ticket-based locks, or pv'ed sleeping locks?

 -- Keir



_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel