linux-kernel - Re: Linux 5.15-rc3

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Message-ID: <20210927214715.GE964074@nvidia.com>
Date:   Mon, 27 Sep 2021 18:47:15 -0300
From:   Jason Gunthorpe <jgg@...dia.com>
To:     Sedat Dilek <sedat.dilek@...il.com>
Cc:     Linus Torvalds <torvalds@...ux-foundation.org>,
        Nathan Chancellor <nathan@...nel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        llvm@...ts.linux.dev, linux-rdma@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: Linux 5.15-rc3

On Mon, Sep 27, 2021 at 10:48:42PM +0200, Sedat Dilek wrote:
> [ Please CC me I am not subscribed to LKML and linux-rdma ]
> 
> Hi,
> 
> with CONFIG_INFINIBAND_QIB=m I observe a build-error since Linux
> v5.13-rc1 release.
> This is with LLVM/Clang >= v13.0.0-rc3 on my Debian/unstable AMD64 system.
> 
> For details see ClangBuiltLinux issue #1452 (see [1]).
> 
> The fix is pending in rdma.git#for-rc (see [2]):
> 
> commit  3110b942d36b961858664486d72f815d78c956c3
> "IB/qib: Fix clang confusion of NULL pointer comparison"
> 
> Dunno if there was a pull-request from linux-rdma folks.
> Cannot say if it is worth taking this directly...?

It should come as a PR this week, I don't think we need to do anything
special urgent here, do we?

Jason