Messages in this thread | | | Date | Thu, 13 Feb 2014 15:45:57 +0800 | From | Alex Shi <> | Subject | Re: [PATCH V2 2/3] sched: Fix race in idle_balance() |
| |
On 02/11/2014 07:11 PM, Daniel Lezcano wrote: > On 02/10/2014 10:24 AM, Preeti Murthy wrote: >> HI Daniel, >> >> Isn't the only scenario where another cpu can put an idle task on >> our runqueue, > > Well, I am not sure to understand what you meant, but I assume you are > asking if it is possible to have a task to be pulled when we are idle, > right ? > > This patch fixes the race when the current cpu is *about* to enter idle > when calling schedule().
Preeti said the she didn't see a possible to insert a task on the cpu.
I also did a quick check, maybe task come from wakeup path?
-- Thanks Alex
| |