proc-pid-vm.c:214:19: warning: 'str_vsyscall' defined but not used

From: Naresh Kamboju
Date: Sun Sep 05 2021 - 10:31:10 EST


Following build warnings noticed while building stable-rc Linux 5.14.1-rc1
with gcc-11 for arm64 architecture.

aarch64-linux-gnu-gcc -Wall -O2 -Wno-unused-function -D_GNU_SOURCE
proc-pid-vm.c -o kselftest/proc/proc-pid-vm
proc-pid-vm.c:214:19: warning: 'str_vsyscall' defined but not used
[-Wunused-const-variable=]
214 | static const char str_vsyscall[] =
| ^~~~~~~~~~~~
proc-pid-vm.c:212:13: warning: 'g_vsyscall' defined but not used
[-Wunused-variable]
212 | static bool g_vsyscall = false;
| ^~~~~~~~~~


Build config:
https://builds.tuxbuild.com/1xXcUtI2INra8KaHjOXXQMOyAD0/config

Reported-by: Linux Kernel Functional Testing <lkft@xxxxxxxxxx>

meta data:
-----------
git_describe: v5.14-rc6-389-g95dc72bb9c03,
git_repo: https://gitlab.com/Linaro/lkft/mirrors/stable/linux-stable-rc,
git_sha: 95dc72bb9c032093e79e628a98c927b3db73a6c3,
git_short_log: 95dc72bb9c03 (\Linux 5.14.1-rc1\),
kconfig: [
defconfig,
https://raw.githubusercontent.com/Linaro/meta-lkft/sumo/recipes-kernel/linux/files/lkft.config,
https://raw.githubusercontent.com/Linaro/meta-lkft/sumo/recipes-kernel/linux/files/lkft-crypto.config,
https://raw.githubusercontent.com/Linaro/meta-lkft/sumo/recipes-kernel/linux/files/distro-overrides.config,
https://raw.githubusercontent.com/Linaro/meta-lkft/sumo/recipes-kernel/linux/files/systemd.config,
https://raw.githubusercontent.com/Linaro/meta-lkft/sumo/recipes-kernel/linux/files/virtio.config,
CONFIG_ARM64_MODULE_PLTS=y
],
kernel_version: 5.14.1-rc1,
target_arch: arm64,
targets: [
dtbs,
dtbs-legacy,
headers,
kernel,
kselftest,
kselftest-merge,
modules
],
toolchain: gcc-11,

steps to reproduce:
https://builds.tuxbuild.com/1xXcUtI2INra8KaHjOXXQMOyAD0/tuxmake_reproducer.sh

--
Linaro LKFT
https://lkft.linaro.org