linux-kernel - Re: linux-next: manual merge of the tip tree with the rdma tree

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Date:   Mon, 6 Aug 2018 13:45:26 -0600
From:   Jason Gunthorpe <jgg@...lanox.com>
To:     Stephen Rothwell <sfr@...b.auug.org.au>
Cc:     Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...e.hu>,
        "H. Peter Anvin" <hpa@...or.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Doug Ledford <dledford@...hat.com>,
        Linux-Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Mark Rutland <mark.rutland@....com>
Subject: Re: linux-next: manual merge of the tip tree with the rdma tree

On Mon, Aug 06, 2018 at 02:53:31PM +1000, Stephen Rothwell wrote:
> Hi all,
> 
> Today's linux-next merge of the tip tree got a conflict in:
> 
>   drivers/infiniband/core/rdma_core.c
> 
> between commit:
> 
>   9867f5c6695f ("IB/uverbs: Convert 'bool exclusive' into an enum")
> 
> from the rdma tree and commit:
> 
>   bfc18e389c7a ("atomics/treewide: Rename __atomic_add_unless() => atomic_fetch_add_unless()")
> 
> from the tip tree.
> 
> I fixed it up (see below) and can carry the fix as necessary. This
> is now fixed as far as linux-next is concerned, but any non trivial
> conflicts should be mentioned to your upstream maintainer when your tree
> is submitted for merging.  You may also want to consider cooperating
> with the maintainer of the conflicting tree to minimise any particularly
> complex conflicts.

Gaaagh that is a big conflict

I was going to do this next cycle.. But I'll try to push a commit
consolidating this crazy use of __atomic_add_unless into one function
so this conflict should become easier to handle.

Jason