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From:   Teck Choon Giam <giamteckchoon@gmail.com>
Date:   Sat, 28 Apr 2018 19:54:36 +0800
Message-ID: <CAEwRVpPQeHZqXaX55nx93rZihzVMm89aSo_aiP4yU_56gkOq8w@mail.gmail.com>
Subject: Re: kernel-4.9.94 compile error: 'KMOD_DECOMP_LEN' undeclared
To:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc:     Randy Dunlap <rdunlap@infradead.org>,
        LKML <linux-kernel@vger.kernel.org>,
        Peter Zijlstra <peterz@infradead.org>,
        Ingo Molnar <mingo@redhat.com>, acme@kernel.org,
        Alexander Shishkin <alexander.shishkin@linux.intel.com>,
        Jiri Olsa <jolsa@redhat.com>
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>> It still fails in 4.9.96. (not #defined there)
>
> Should be fixed in 4.9.97-r1, I know .96 still had the issue.
>

Test compiled without issue for 4.9.97-rc1:

wget https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git/snapshot/linux-stable-rc-linux-4.9.y.tar.gz
tar zxvfp linux-stable-rc-linux-4.9.y.tar.gz
cd linux-stable-rc-linux-4.9.y/
make mrproper
cp -pvf ~/config-x86_64 .config
make oldconfig
make bzImage
make V=1 -j 2 modules
make -C tools/perf V=1 HAVE_CPLUS_DEMANGLE=1 NO_DWARF=1 WERROR=0

Thanks Greg.

Regards,
Giam Teck Choon