[linux-stable-rc:queue/5.4 3031/9999] arch/powerpc/kernel/setup_64.c:937:6: error: no previous prototype for 'uaccess_flush_enable'
From: kernel test robot
Date: Thu Dec 30 2021 - 20:59:42 EST
tree: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git queue/5.4
head: 8119581dca11ec464922e85b5eaa28ed6558d619
commit: 09495b5f7aab84cf41ef54259cfea4da86a7df98 [3031/9999] powerpc/64s: flush L1D after user accesses
config: powerpc64-randconfig-r011-20211230 (https://download.01.org/0day-ci/archive/20211231/202112310904.IyGN0xIx-lkp@xxxxxxxxx/config)
compiler: powerpc64-linux-gcc (GCC) 11.2.0
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
# https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git/commit/?id=09495b5f7aab84cf41ef54259cfea4da86a7df98
git remote add linux-stable-rc https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git
git fetch --no-tags linux-stable-rc queue/5.4
git checkout 09495b5f7aab84cf41ef54259cfea4da86a7df98
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=powerpc SHELL=/bin/bash arch/powerpc/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Note: the linux-stable-rc/queue/5.4 HEAD 8119581dca11ec464922e85b5eaa28ed6558d619 builds fine.
It only hurts bisectability.
All errors (new ones prefixed by >>):
arch/powerpc/kernel/setup_64.c:262:13: error: no previous prototype for 'record_spr_defaults' [-Werror=missing-prototypes]
262 | void __init record_spr_defaults(void)
| ^~~~~~~~~~~~~~~~~~~
arch/powerpc/kernel/setup_64.c:287:32: error: no previous prototype for 'early_setup' [-Werror=missing-prototypes]
287 | void __init __nostackprotector early_setup(unsigned long dt_ptr)
| ^~~~~~~~~~~
arch/powerpc/kernel/setup_64.c:399:6: error: no previous prototype for 'early_setup_secondary' [-Werror=missing-prototypes]
399 | void early_setup_secondary(void)
| ^~~~~~~~~~~~~~~~~~~~~
arch/powerpc/kernel/setup_64.c:420:6: error: no previous prototype for 'panic_smp_self_stop' [-Werror=missing-prototypes]
420 | void panic_smp_self_stop(void)
| ^~~~~~~~~~~~~~~~~~~
arch/powerpc/kernel/setup_64.c: In function 'initialize_cache_info':
arch/powerpc/kernel/setup_64.c:599:70: error: suggest braces around empty body in an 'if' statement [-Werror=empty-body]
599 | DBG("Argh, can't find dcache properties !\n");
| ^
arch/powerpc/kernel/setup_64.c:602:70: error: suggest braces around empty body in an 'if' statement [-Werror=empty-body]
602 | DBG("Argh, can't find icache properties !\n");
| ^
arch/powerpc/kernel/setup_64.c: At top level:
arch/powerpc/kernel/setup_64.c:925:6: error: no previous prototype for 'entry_flush_enable' [-Werror=missing-prototypes]
925 | void entry_flush_enable(bool enable)
| ^~~~~~~~~~~~~~~~~~
>> arch/powerpc/kernel/setup_64.c:937:6: error: no previous prototype for 'uaccess_flush_enable' [-Werror=missing-prototypes]
937 | void uaccess_flush_enable(bool enable)
| ^~~~~~~~~~~~~~~~~~~~
cc1: all warnings being treated as errors
vim +/uaccess_flush_enable +937 arch/powerpc/kernel/setup_64.c
936
> 937 void uaccess_flush_enable(bool enable)
938 {
939 if (enable) {
940 do_uaccess_flush_fixups(enabled_flush_types);
941 static_branch_enable(&uaccess_flush_key);
942 on_each_cpu(do_nothing, NULL, 1);
943 } else {
944 static_branch_disable(&uaccess_flush_key);
945 do_uaccess_flush_fixups(L1D_FLUSH_NONE);
946 }
947
948 uaccess_flush = enable;
949 }
950
---
0-DAY CI Kernel Test Service, Intel Corporation
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