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

5 Sep 2021


      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@linaro.org
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...,
        https://raw.githubusercontent.com/Linaro/meta-lkft/sumo/recipes-kernel/linux...,
        https://raw.githubusercontent.com/Linaro/meta-lkft/sumo/recipes-kernel/linux...,
        https://raw.githubusercontent.com/Linaro/meta-lkft/sumo/recipes-kernel/linux...,
        https://raw.githubusercontent.com/Linaro/meta-lkft/sumo/recipes-kernel/linux...,
        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.s...
--
Linaro LKFT
https://lkft.linaro.org