linux-kernel - Re: [PATCH v33 01/12] Linux Random Number Generator

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Date:   Sat, 22 Aug 2020 06:49:27 +0200
From:   Stephan Müller <smueller@...onox.de>
To:     Arnd Bergmann <arnd@...db.de>, kernel test robot <lkp@...el.com>
Cc:     kbuild-all@...ts.01.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-crypto@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
        linux-api@...r.kernel.org,
        "Eric W. Biederman" <ebiederm@...ssion.com>,
        "Alexander E. Patrakov" <patrakov@...il.com>,
        "Ahmed S. Darwish" <darwish.07@...il.com>,
        "Theodore Y. Ts'o" <tytso@....edu>, Willy Tarreau <w@....eu>
Subject: Re: [PATCH v33 01/12] Linux Random Number Generator

Am Freitag, 21. August 2020, 21:42:17 CEST schrieb kernel test robot:

Hi,
> 
>    hppa-linux-ld: lib/random32.o: in function `prandom_u32':
> >> (.text+0x318): undefined reference to `__tracepoint_prandom_u32'
> >> hppa-linux-ld: (.text+0x31c): undefined reference to
> >> `__tracepoint_prandom_u32' hppa-linux-ld:
> >> lib/random32.o:(__jump_table+0x8): undefined reference to
> >> `__tracepoint_prandom_u32'

This is caused by the fact that the LRNG code does not include trace/events/
random.h. However, a patch to lib/random32.c now requires this file to be 
included and creating a tracepoint. I.e. lib/random32.c code now relies on 
some other code to create the necessary hook.

I have added the include and will provide it with the next release although I 
am not sure lib/random32.c should rely on some other code to create its 
dependencies.

Ciao
Stephan