From: kernel test robot <lkp@intel.com>
Cc: kbuild-all@lists.01.org, llvm@lists.linux.dev
Subject: Re: [PATCH 16/16] objtool/powerpc: Add --mcount specific implementation
Date: Wed, 10 Aug 2022 11:46:07 +0800 [thread overview]
Message-ID: <202208101138.8BblKl1L-lkp@intel.com> (raw)
In-Reply-To: <20220808114908.240813-17-sv@linux.ibm.com>
References: <20220808114908.240813-17-sv@linux.ibm.com>
TO: Sathvika Vasireddy <sv@linux.ibm.com>
TO: linuxppc-dev@lists.ozlabs.org
CC: jpoimboe@redhat.com
CC: peterz@infradead.org
CC: linux-kernel@vger.kernel.org
CC: aik@ozlabs.ru
CC: mpe@ellerman.id.au
CC: mingo@redhat.com
CC: christophe.leroy@csgroup.eu
CC: rostedt@goodmis.org
CC: mbenes@suse.cz
CC: npiggin@gmail.com
CC: chenzhongjin@huawei.com
CC: linux-arm-kernel@lists.infradead.org
CC: naveen.n.rao@linux.vnet.ibm.com
CC: sv@linux.ibm.com
Hi Sathvika,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on linus/master]
[also build test WARNING on v5.19 next-20220810]
[cannot apply to powerpc/next powerpc/topic/ppc-kvm masahiroy-kbuild/for-next]
[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/Sathvika-Vasireddy/objtool-Enable-and-implement-mcount-option-on-powerpc/20220808-200702
base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 4e23eeebb2e57f5a28b36221aa776b5a1122dde5
config: powerpc-randconfig-r024-20220808 (https://download.01.org/0day-ci/archive/20220810/202208101138.8BblKl1L-lkp@intel.com/config)
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 5f1c7e2cc5a3c07cbc2412e851a7283c1841f520)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install powerpc cross compiling tool for clang build
# apt-get install binutils-powerpc-linux-gnu
# https://github.com/intel-lab-lkp/linux/commit/eb2c41f83b8e1f2967fd2342fbdc7c116def52c0
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Sathvika-Vasireddy/objtool-Enable-and-implement-mcount-option-on-powerpc/20220808-200702
git checkout eb2c41f83b8e1f2967fd2342fbdc7c116def52c0
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=powerpc SHELL=/bin/bash arch/powerpc/
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
>> arch/powerpc/kernel/prom_init.o: warning: objtool: prom_init+0x14: unannotated intra-function call
--
>> arch/powerpc/platforms/powermac/bootx_init.o: warning: objtool: bootx_init+0x28: unannotated intra-function call
objdump-func vmlinux.o prom_init:
0000 00000004 <prom_init>:
0000 4: 7c 08 02 a6 mflr r0
0004 8: 90 01 00 04 stw r0,4(r1)
0008 c: 94 21 ff e0 stwu r1,-32(r1)
000c 10: 93 c1 00 18 stw r30,24(r1)
0010 14: 93 a1 00 14 stw r29,20(r1)
0014 18: 48 00 00 05 bl 1c <prom_init+0x18>
0018 1c: 7c bd 2b 78 mr r29,r5
001c 20: 7f c8 02 a6 mflr r30
0020 24: 80 7e ff e4 lwz r3,-28(r30)
0024 28: 7f c3 f2 14 add r30,r3,r30
0028 2c: 48 00 00 01 bl 2c <prom_init+0x28> 2c: R_PPC_PLTREL24 reloc_offset
002c 30: 48 00 00 01 bl 30 <prom_init+0x2c> 30: R_PPC_PLTREL24 reloc_got2
0030 34: 80 9e 80 00 lwz r4,-32768(r30)
0034 38: 80 7e 80 04 lwz r3,-32764(r30)
0038 3c: 7c a3 20 50 subf r5,r3,r4
003c 40: 38 80 00 00 li r4,0
0040 44: 48 00 00 01 bl 44 <prom_init+0x40> 44: R_PPC_PLTREL24 memset
0044 48: 7f a3 eb 78 mr r3,r29
0048 4c: 48 00 00 45 bl 90 <prom_init_client_services>
004c 50: 48 00 01 01 bl 150 <prom_find_mmu>
0050 54: 48 00 02 a9 bl 2fc <prom_init_stdout>
0054 58: 80 7e 80 08 lwz r3,-32760(r30)
0058 5c: 80 9e 80 0c lwz r4,-32756(r30)
005c 60: 4c c6 31 82 crclr 4*cr1+eq
0060 64: 48 00 04 39 bl 49c <prom_printf>
0064 68: 48 00 08 19 bl 880 <prom_find_machine_type>
0068 6c: 80 be 80 10 lwz r5,-32752(r30)
006c 70: 7c 64 1b 78 mr r4,r3
0070 74: 4c c6 31 82 crclr 4*cr1+eq
0074 78: 90 65 00 00 stw r3,0(r5)
0078 7c: 80 7e 80 14 lwz r3,-32748(r30)
007c 80: 48 00 04 1d bl 49c <prom_printf>
0080 84: 80 7e 80 18 lwz r3,-32744(r30)
0084 88: 48 00 09 01 bl 988 <prom_panic>
0088 8c: 00 00 00 00 .long 0x0 8c: R_PPC_REL32 .got2+0x7fe4
--
0-DAY CI Kernel Test Service
https://01.org/lkp
reply other threads:[~2022-08-10 3:47 UTC|newest]
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