Following warnings and errors have been noticed while building i386 build on stable-rc linux.4.19.y and linux.4.14.y. Reported-by: Linux Kernel Functional Testing <lkft@xxxxxxxxxx> Build log: ========== kernel/profile.c: In function 'profile_dead_cpu': kernel/profile.c:346:27: warning: the comparison will always evaluate as 'true' for the address of 'prof_cpu_mask' will never be NULL [-Waddress] 346 | if (prof_cpu_mask != NULL) | ^~ kernel/profile.c:49:22: note: 'prof_cpu_mask' declared here 49 | static cpumask_var_t prof_cpu_mask; | ^~~~~~~~~~~~~ kernel/profile.c: In function 'profile_online_cpu': kernel/profile.c:383:27: warning: the comparison will always evaluate as 'true' for the address of 'prof_cpu_mask' will never be NULL [-Waddress] 383 | if (prof_cpu_mask != NULL) | ^~ kernel/profile.c:49:22: note: 'prof_cpu_mask' declared here 49 | static cpumask_var_t prof_cpu_mask; | ^~~~~~~~~~~~~ kernel/profile.c: In function 'profile_tick': kernel/profile.c:413:47: warning: the comparison will always evaluate as 'true' for the address of 'prof_cpu_mask' will never be NULL [-Waddress] 413 | if (!user_mode(regs) && prof_cpu_mask != NULL && | ^~ kernel/profile.c:49:22: note: 'prof_cpu_mask' declared here 49 | static cpumask_var_t prof_cpu_mask; | ^~~~~~~~~~~~~ arch/x86/kernel/head_32.S: Assembler messages: arch/x86/kernel/head_32.S:126: Error: invalid character '(' in mnemonic arch/x86/kernel/head_32.S:57: Info: macro invoked from here arch/x86/kernel/head_32.S:128: Error: invalid character '(' in mnemonic arch/x86/kernel/head_32.S:57: Info: macro invoked from here make[3]: *** [scripts/Makefile.build:403: arch/x86/kernel/head_32.o] Error 1 make[3]: Target '__build' not remade because of errors. make[2]: *** [scripts/Makefile.build:544: arch/x86/kernel] Error 2 Links: - https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-4.19.y/build/v4.19.297-41-g46e03d3c6192/testrun/20909218/suite/build/test/gcc-12-lkftconfig-debug-kmemleak/log -- Linaro LKFT https://lkft.linaro.org