linux-kernel - Re: [PATCH 3/9] vdso: Add __arch_get_k_vdso_rng

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Message-ID: <202408172143.g3Qxmakr-lkp@intel.com>
Date: Sat, 17 Aug 2024 21:19:17 +0800
From: kernel test robot <lkp@...el.com>
To: Christophe Leroy <christophe.leroy@...roup.eu>,
	Michael Ellerman <mpe@...erman.id.au>,
	Nicholas Piggin <npiggin@...il.com>,
	Naveen N Rao <naveen@...nel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
	Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org,
	"H. Peter Anvin" <hpa@...or.com>, Theodore Ts'o <tytso@....edu>,
	"Jason A. Donenfeld" <Jason@...c4.com>,
	Andy Lutomirski <luto@...nel.org>,
	Vincenzo Frascino <vincenzo.frascino@....com>,
	Arnd Bergmann <arnd@...db.de>
Cc: oe-kbuild-all@...ts.linux.dev,
	Christophe Leroy <christophe.leroy@...roup.eu>,
	linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
	linux-arch@...r.kernel.org
Subject: Re: [PATCH 3/9] vdso: Add __arch_get_k_vdso_rng_data()

Hi Christophe,

kernel test robot noticed the following build errors:

[auto build test ERROR on powerpc/next]
[also build test ERROR on powerpc/fixes crng-random/master shuah-kselftest/next shuah-kselftest/fixes linus/master v6.11-rc3 next-20240816]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Christophe-Leroy/powerpc-vdso-Don-t-discard-rela-sections/20240816-223917
base:   https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next
patch link:    https://lore.kernel.org/r/a7bdbbb14d8635c1e33ada7982cf2cd1a8321e5c.1723817900.git.christophe.leroy%40csgroup.eu
patch subject: [PATCH 3/9] vdso: Add __arch_get_k_vdso_rng_data()
config: x86_64-buildonly-randconfig-002-20240817 (https://download.01.org/0day-ci/archive/20240817/202408172143.g3Qxmakr-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240817/202408172143.g3Qxmakr-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202408172143.g3Qxmakr-lkp@intel.com/

All errors (new ones prefixed by >>):

>> ld: drivers/char/random.o:(.vvar__vdso_rng_data+0x0): multiple definition of `_vdso_rng_data'; kernel/time/vsyscall.o:(.vvar__vdso_rng_data+0x0): first defined here
>> ld: drivers/char/random.o:(.vvar__vdso_data+0x0): multiple definition of `_vdso_data'; kernel/time/vsyscall.o:(.vvar__vdso_data+0x0): first defined here

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki