On Wed, Aug 22, 2012 at 02:17:05PM +0400, Gleb Smirnoff wrote: > On Tue, Aug 21, 2012 at 12:50:14PM -0600, Kenneth D. Merry wrote: > K> On Thu, Aug 02, 2012 at 13:57:50 +0000, Gleb Smirnoff wrote: > K> > Author: glebius > K> > Date: Thu Aug 2 13:57:49 2012 > K> > New Revision: 238990 > K> > URL: http://svn.freebsd.org/changeset/base/238990 > K> > > K> > Log: > K> > Fix races between in_lltable_prefix_free(), lla_lookup(), > K> > llentry_free() and arptimer(): > K> > > K> > o Use callout_init_rw() for lle timeout, this allows us safely > K> > disestablish them. > K> > - This allows us to simplify the arptimer() and make it > K> > race safe. > K> > o Consistently use ifp->if_afdata_lock to lock access to > K> > linked lists in the lle hashes. > K> > o Introduce new lle flag LLE_LINKED, which marks an entry that > K> > is attached to the hash. > K> > - Use LLE_LINKED to avoid double unlinking via consequent > K> > calls to llentry_free(). > K> > - Mark lle with LLE_DELETED via |= operation istead of =, > K> > so that other flags won't be lost. > K> > o Make LLE_ADDREF(), LLE_REMREF() and LLE_FREE_LOCKED() more > K> > consistent and provide more informative KASSERTs. > K> > > K> > The patch is a collaborative work of all submitters and myself. > K> > > K> > PR: kern/165863 > K> > Submitted by: Andrey Zonov <andrey zonov.org> > K> > Submitted by: Ryan Stone <rysto32 gmail.com> > K> > Submitted by: Eric van Gyzen <eric_van_gyzen dell.com> > K> > K> I'm running into this on stable/9, any plan on when this will get MFCed? > > I'm sorry, but after 9.1-RELEASE. Too large change to run MFC prior to > release. > > I'd appreciate if you patch your stable/9 system manually and thus > perform some testing prior to merge.
FYI, 9.1 was already branched. Not that I encourage you to make a commit that would diverge the stable/9 from releng/9.1 while 9.1 is still rolling. But the stall on stable/9 due to freeze was too long and IMO its longevity is damaging.
pgpE8Btz3zGx4.pgp
Description: PGP signature
