linux-kernel - Re: kernel-4.9.94 compile error: 'KMOD_DECOMP

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Date:   Sat, 14 Apr 2018 17:29:28 +0000 (UTC)
From:   Akemi Yagi <toracat@...epo.org>
To:     linux-kernel@...r.kernel.org
Subject: Re: kernel-4.9.94 compile error: 'KMOD_DECOMP_LEN' undeclared

On Sat, 14 Apr 2018 17:41:13 +0800, Teck Choon Giam wrote:

> Hi,
> 
> Compile linux-4.9.94 will have error related to KMOD_DECOMP_LEN
> undeclared.  Searching string related to KMOD_DECOMP_LEN in
> linux-4.9.94 and linux-4.15.17 sources as below:
> 
> <mock-chroot>sh-4.2# grep -r KMOD_DECOMP_LEN ./linux-4.15.17
> ./linux-4.15.17/tools/perf/tests/code-reading.c: char
> decomp_name[KMOD_DECOMP_LEN];
> ./linux-4.15.17/tools/perf/util/dso.h:#define KMOD_DECOMP_LEN
> sizeof(KMOD_DECOMP_NAME)
> ./linux-4.15.17/tools/perf/util/annotate.c: char tmp[KMOD_DECOMP_LEN];
> ./linux-4.15.17/tools/perf/util/dso.c: char newpath[KMOD_DECOMP_LEN];
> sh-4.2# grep -r KMOD_DECOMP_LEN ./linux-4.9.94
> ./linux-4.9.94/tools/perf/tests/code-reading.c: char
> decomp_name[KMOD_DECOMP_LEN];
> ./linux-4.9.94/tools/perf/util/dso.c: char newpath[KMOD_DECOMP_LEN];
> 
> So I guess for linux-4.9.94 has not define KMOD_DECOMP_LEN in
> tools/perf/util/dso.h?
> 
> Thanks.
> 
> Regards,
> Giam Teck Choon

Just a note to say that we (ELRepo) see the same error when building kernel-4.4.128 on RHEL 6 and RHEL 7. Kernel 4.4.127 built fine.

Akemi
The ELRepo Project