| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-ID: <202209052329.sY4Fx2fi-lkp@intel.com>
Date: Mon, 5 Sep 2022 23:48:42 +0800
From: kernel test robot <lkp@...el.com>
To: Masahiro Yamada <masahiroy@...nel.org>,
linux-kbuild@...r.kernel.org
Cc: llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
Masahiro Yamada <masahiroy@...nel.org>,
Michal Marek <michal.lkml@...kovi.net>,
Nick Desaulniers <ndesaulniers@...gle.com>,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] kbuild: move -Wundef from KBUILD_CFLAGS to
KBUILD_CPPFLAGS
Hi Masahiro,
I love your patch! Perhaps something to improve:
[auto build test WARNING on masahiroy-kbuild/for-next]
[also build test WARNING on linus/master v6.0-rc4]
[cannot apply to next-20220901]
[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/Masahiro-Yamada/kbuild-move-Werror-from-KBUILD_CFLAGS-to-KBUILD_CPPFLAGS/20220905-164209
base: https://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild.git for-next
config: riscv-randconfig-r042-20220905 (https://download.01.org/0day-ci/archive/20220905/202209052329.sY4Fx2fi-lkp@intel.com/config)
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project c55b41d5199d2394dd6cdb8f52180d8b81d809d4)
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 riscv cross compiling tool for clang build
# apt-get install binutils-riscv64-linux-gnu
# https://github.com/intel-lab-lkp/linux/commit/2f8ee1865d7d00ad27460d94056c7752cad8481f
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Masahiro-Yamada/kbuild-move-Werror-from-KBUILD_CFLAGS-to-KBUILD_CPPFLAGS/20220905-164209
git checkout 2f8ee1865d7d00ad27460d94056c7752cad8481f
# 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=riscv SHELL=/bin/bash arch/riscv/
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@...el.com>
All warnings (new ones prefixed by >>):
>> arch/riscv/kernel/head.S:329:5: warning: 'CONFIG_RISCV_BOOT_SPINWAIT' is not defined, evaluates to 0 [-Wundef]
#if CONFIG_RISCV_BOOT_SPINWAIT
^
1 warning generated.
vim +/CONFIG_RISCV_BOOT_SPINWAIT +329 arch/riscv/kernel/head.S
76d2a0493a17d4 Palmer Dabbelt 2017-07-10 316
76d4467a97bd8c Qiu Wenbo 2020-08-13 317 call setup_trap_vector
76d2a0493a17d4 Palmer Dabbelt 2017-07-10 318 /* Restore C environment */
76d2a0493a17d4 Palmer Dabbelt 2017-07-10 319 la tp, init_task
c637b911e06697 Christoph Hellwig 2019-04-15 320 la sp, init_thread_union + THREAD_SIZE
76d2a0493a17d4 Palmer Dabbelt 2017-07-10 321
8ad8b72721d0f0 Nick Hu 2020-01-06 322 #ifdef CONFIG_KASAN
8ad8b72721d0f0 Nick Hu 2020-01-06 323 call kasan_early_init
8ad8b72721d0f0 Nick Hu 2020-01-06 324 #endif
76d2a0493a17d4 Palmer Dabbelt 2017-07-10 325 /* Start the kernel */
335b139057ef79 Damien Le Moal 2020-03-16 326 call soc_early_init
76d2a0493a17d4 Palmer Dabbelt 2017-07-10 327 tail start_kernel
76d2a0493a17d4 Palmer Dabbelt 2017-07-10 328
2ffc48fc7071da Atish Patra 2022-01-20 @329 #if CONFIG_RISCV_BOOT_SPINWAIT
0b39eb38f85908 Atish Patra 2022-01-20 330 .Lsecondary_start:
76d2a0493a17d4 Palmer Dabbelt 2017-07-10 331 /* Set trap vector to spin forever to help debug */
76d2a0493a17d4 Palmer Dabbelt 2017-07-10 332 la a3, .Lsecondary_park
a4c3733d32a72f Christoph Hellwig 2019-10-28 333 csrw CSR_TVEC, a3
76d2a0493a17d4 Palmer Dabbelt 2017-07-10 334
76d2a0493a17d4 Palmer Dabbelt 2017-07-10 335 slli a3, a0, LGREG
c78f94f35cf648 Atish Patra 2022-01-20 336 la a1, __cpu_spinwait_stack_pointer
44c922572952d8 Vitaly Wool 2021-04-13 337 XIP_FIXUP_OFFSET a1
c78f94f35cf648 Atish Patra 2022-01-20 338 la a2, __cpu_spinwait_task_pointer
44c922572952d8 Vitaly Wool 2021-04-13 339 XIP_FIXUP_OFFSET a2
76d2a0493a17d4 Palmer Dabbelt 2017-07-10 340 add a1, a3, a1
76d2a0493a17d4 Palmer Dabbelt 2017-07-10 341 add a2, a3, a2
76d2a0493a17d4 Palmer Dabbelt 2017-07-10 342
76d2a0493a17d4 Palmer Dabbelt 2017-07-10 343 /*
76d2a0493a17d4 Palmer Dabbelt 2017-07-10 344 * This hart didn't win the lottery, so we wait for the winning hart to
76d2a0493a17d4 Palmer Dabbelt 2017-07-10 345 * get far enough along the boot process that it should continue.
76d2a0493a17d4 Palmer Dabbelt 2017-07-10 346 */
76d2a0493a17d4 Palmer Dabbelt 2017-07-10 347 .Lwait_for_cpu_up:
76d2a0493a17d4 Palmer Dabbelt 2017-07-10 348 /* FIXME: We should WFI to save some energy here. */
76d2a0493a17d4 Palmer Dabbelt 2017-07-10 349 REG_L sp, (a1)
76d2a0493a17d4 Palmer Dabbelt 2017-07-10 350 REG_L tp, (a2)
76d2a0493a17d4 Palmer Dabbelt 2017-07-10 351 beqz sp, .Lwait_for_cpu_up
76d2a0493a17d4 Palmer Dabbelt 2017-07-10 352 beqz tp, .Lwait_for_cpu_up
76d2a0493a17d4 Palmer Dabbelt 2017-07-10 353 fence
76d2a0493a17d4 Palmer Dabbelt 2017-07-10 354
153c46faf6ae49 Jisheng Zhang 2021-11-29 355 tail .Lsecondary_start_common
2ffc48fc7071da Atish Patra 2022-01-20 356 #endif /* CONFIG_RISCV_BOOT_SPINWAIT */
76d2a0493a17d4 Palmer Dabbelt 2017-07-10 357
--
0-DAY CI Kernel Test Service
https://01.org/lkp
Powered by blists - more mailing lists