[peterz-queue:call-depth-tracking 58/59] kernel/trace/trace_selftest.c:790:13: error: expected string literal before 'CALL_DEPTH_ACCOUNT'

From: kernel test robot
Date: Tue Sep 20 2022 - 06:40:04 EST


tree: https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git call-depth-tracking
head: bc7583c5f43c957cb0b0f3e24d079b91576c1127
commit: 16f591798c7808329b716802f8d494a7bf014ede [58/59] x86/ftrace: Make it call depth tracking aware
config: s390-randconfig-r044-20220919 (https://download.01.org/0day-ci/archive/20220920/202209201840.v9c1rxIQ-lkp@xxxxxxxxx/config)
compiler: s390-linux-gcc (GCC) 12.1.0
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/peterz/queue.git/commit/?id=16f591798c7808329b716802f8d494a7bf014ede
git remote add peterz-queue https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git
git fetch --no-tags peterz-queue call-depth-tracking
git checkout 16f591798c7808329b716802f8d494a7bf014ede
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=s390 SHELL=/bin/bash kernel/

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

All errors (new ones prefixed by >>):

kernel/trace/trace.c: In function 'trace_check_vprintf':
kernel/trace/trace.c:3846:17: warning: function 'trace_check_vprintf' might be a candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format]
3846 | trace_seq_vprintf(&iter->seq, iter->fmt, ap);
| ^~~~~~~~~~~~~~~~~
kernel/trace/trace.c:3913:17: warning: function 'trace_check_vprintf' might be a candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format]
3913 | trace_seq_vprintf(&iter->seq, p, ap);
| ^~~~~~~~~~~~~~~~~
In file included from kernel/trace/trace.c:8672:
kernel/trace/trace_selftest.c: In function 'trace_direct_tramp':
>> kernel/trace/trace_selftest.c:790:13: error: expected string literal before 'CALL_DEPTH_ACCOUNT'
790 | asm(CALL_DEPTH_ACCOUNT);
| ^~~~~~~~~~~~~~~~~~


vim +/CALL_DEPTH_ACCOUNT +790 kernel/trace/trace_selftest.c

786
787 #ifdef CONFIG_DYNAMIC_FTRACE_WITH_DIRECT_CALLS
788 noinline __noclone static void trace_direct_tramp(void)
789 {
> 790 asm(CALL_DEPTH_ACCOUNT);
791 }
792 #endif
793

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