[mark:arm64/stacktrace/data-driven 4/4] arch/arm64/include/asm/stacktrace.h:153:13: error: cannot compile this GNU array range designator extension yet

From: kernel test robot
Date: Thu Aug 04 2022 - 17:49:43 EST


tree: https://git.kernel.org/pub/scm/linux/kernel/git/mark/linux.git arm64/stacktrace/data-driven
head: 468d82fe55b7d215b8d1733a8b34a1fc94cd431b
commit: 468d82fe55b7d215b8d1733a8b34a1fc94cd431b [4/4] WIP: arm64: make stacktrace data-driven
config: arm64-randconfig-r003-20220803 (https://download.01.org/0day-ci/archive/20220805/202208050544.mUKbvIhP-lkp@xxxxxxxxx/config)
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 26dd42705c2af0b8f6e5d6cdb32c9bd5ed9524eb)
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 arm64 cross compiling tool for clang build
# apt-get install binutils-aarch64-linux-gnu
# https://git.kernel.org/pub/scm/linux/kernel/git/mark/linux.git/commit/?id=468d82fe55b7d215b8d1733a8b34a1fc94cd431b
git remote add mark https://git.kernel.org/pub/scm/linux/kernel/git/mark/linux.git
git fetch --no-tags mark arm64/stacktrace/data-driven
git checkout 468d82fe55b7d215b8d1733a8b34a1fc94cd431b
# 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=arm64 SHELL=/bin/bash arch/arm64/

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

In file included from arch/arm64/kernel/stacktrace.c:19:
>> arch/arm64/include/asm/stacktrace.h:153:13: error: cannot compile this GNU array range designator extension yet
.stacks = {
^
1 error generated.


vim +153 arch/arm64/include/asm/stacktrace.h

143
144 /*
145 * We can only safely access per-cpu stacks from current in a non-preemptible
146 * context.
147 */
148
149 static __always_inline struct kernel_stack_info
150 get_accessible_kernel_stacks(const struct task_struct *tsk)
151 {
152 struct kernel_stack_info info = {
> 153 .stacks = {

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