linux-kernel - Re: linux-next: build failure after merge of the rcu tree

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Message-Id: <20170213043748.GA30506@linux.vnet.ibm.com>
Date:   Sun, 12 Feb 2017 20:37:48 -0800
From:   "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
To:     Stephen Rothwell <sfr@...b.auug.org.au>
Cc:     Paul McKenney <paulmckrcu@...il.com>,
        David Miller <davem@...emloft.net>,
        Networking <netdev@...r.kernel.org>, linux-next@...r.kernel.org,
        LKML <linux-kernel@...r.kernel.org>,
        Ursula Braun <ubraun@...ux.vnet.ibm.com>
Subject: Re: linux-next: build failure after merge of the rcu tree

On Mon, Feb 13, 2017 at 01:21:33PM +1100, Stephen Rothwell wrote:
> Hi Paul,
> 
> On Thu, 19 Jan 2017 13:54:37 -0800 Paul McKenney <paulmckrcu@...il.com> wrote:
> >
> > On Wed, Jan 18, 2017 at 7:34 PM, Stephen Rothwell <sfr@...b.auug.org.au> wrote:
> > > Hi Paul,
> > >
> > > After merging the rcu tree, today's linux-next build (x86_64 allmodconfig)
> > > failed like this:
> > >
> > > net/smc/af_smc.c:102:16: error: 'SLAB_DESTROY_BY_RCU' undeclared here (not in a function)
> > >   .slab_flags = SLAB_DESTROY_BY_RCU,
> > >                 ^
> > >
> > > Caused by commit
> > >
> > >   c7a545924ca1 ("mm: Rename SLAB_DESTROY_BY_RCU to SLAB_TYPESAFE_BY_RCU")
> > >
> > > interacting with commit
> > >
> > >   ac7138746e14 ("smc: establish new socket family")
> > >
> > > from the net-next tree.
> > >
> > > I have applied the following merge fix patch (someone will need to
> > > remember to mention this to Linus):  
> > 
> > Thank you, Stephen!  I expect that there might be a bit more
> > bikeshedding on the name, but here is hoping...  :-/
> 
> The need for this merge fix patch has gone away today.  Is that a
> permanent situation, or will it come back?

I chickened out on that commit for this merge window, so it will come
back at -rc1.  But I will cover that when I rebase to -rc1.

							Thanx, Paul