Messages in this thread | | | Date | Wed, 25 Sep 2019 11:50:35 -0400 (EDT) | From | Mathieu Desnoyers <> | Subject | Re: [RFC PATCH for 5.4 0/7] Membarrier fixes and cleanups |
| |
----- On Sep 25, 2019, at 4:07 AM, Peter Zijlstra peterz@infradead.org wrote:
> On Mon, Sep 23, 2019 at 10:55:32AM -0400, Mathieu Desnoyers wrote: >> ----- On Sep 23, 2019, at 5:06 AM, Peter Zijlstra peterz@infradead.org wrote: >> >> > On Thu, Sep 19, 2019 at 01:36:58PM -0400, Mathieu Desnoyers wrote: >> >> Hi, >> >> >> >> Those series of fixes and cleanups are initially motivated by the report >> >> of race in membarrier, which can load p->mm->membarrier_state after mm >> >> has been freed (use-after-free). >> >> >> > >> > The lot looks good to me; what do you want done with them (them being >> > RFC and all) ? >> >> I can either re-send them without the RFC tag, or you can pick them directly >> through the scheduler tree. > > I've picked them up (and fixed them up, they didn't apply to tip) and > merge them with Eric's task_rcu_dereference() patches. > > I'll push it out in a bit.
Thanks Peter!
Mathieu
-- Mathieu Desnoyers EfficiOS Inc. http://www.efficios.com
| |