Messages in this thread | | | Date | Sat, 1 Aug 2009 07:34:54 +0200 | From | Oleg Nesterov <> | Subject | Re: [PATCH] cpusets: rework guarantee_online_cpus() to fix deadlock with cpu_down() |
| |
Sorry for noise, forgot to mention...
On 08/01, Oleg Nesterov wrote: > > - adds cpuset->cpumask_lock, this lock is taken by > update_cpumask() around cpumask_copy(cs->cpus_allowed, newcpus).
Most probably there are other places where ->cpus_allowed is changed, in that case they need ->cpumask_lock too. But this is trivial, the patch I sent just explains what I meant.
Oleg.
| |