include/linux/compiler_types.h:82:5: sparse: sparse: undefined preprocessor identifier 'CONFIG_FUNCTION_ALIGNMENT'
From: kernel test robot
Date: Tue Nov 07 2023 - 14:13:07 EST
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: be3ca57cfb777ad820c6659d52e60bbdd36bf5ff
commit: c27cd083cfb9d392f304657ed00fcde1136704e7 Compiler attributes: GCC cold function alignment workarounds
date: 10 months ago
config: um-randconfig-r122-20231107 (https://download.01.org/0day-ci/archive/20231108/202311080222.eHfQxcpS-lkp@xxxxxxxxx/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231108/202311080222.eHfQxcpS-lkp@xxxxxxxxx/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202311080222.eHfQxcpS-lkp@xxxxxxxxx/
sparse warnings: (new ones prefixed by >>)
arch/um/kernel/config.c: note: in included file (through include/linux/compiler_types.h, arch/um/include/shared/init.h):
include/linux/compiler_attributes.h:55:9: sparse: sparse: preprocessor token __always_inline redefined
arch/um/kernel/config.c: note: in included file (through /usr/include/features.h, /usr/include/sys/types.h, arch/um/include/shared/user.h, builtin):
/usr/include/sys/cdefs.h:426:10: sparse: this was the original definition
arch/um/kernel/config.c: note: in included file (through arch/um/include/shared/init.h):
>> include/linux/compiler_types.h:82:5: sparse: sparse: undefined preprocessor identifier 'CONFIG_FUNCTION_ALIGNMENT'
--
arch/um/drivers/fd.c: note: in included file (through include/linux/compiler_types.h, arch/um/include/shared/init.h, arch/um/drivers/chan_user.h):
include/linux/compiler_attributes.h:55:9: sparse: sparse: preprocessor token __always_inline redefined
arch/um/drivers/fd.c: note: in included file (through /usr/include/features.h, /usr/include/sys/types.h, arch/um/include/shared/user.h, builtin):
/usr/include/sys/cdefs.h:426:10: sparse: this was the original definition
arch/um/drivers/fd.c: note: in included file (through arch/um/include/shared/init.h, arch/um/drivers/chan_user.h):
>> include/linux/compiler_types.h:82:5: sparse: sparse: undefined preprocessor identifier 'CONFIG_FUNCTION_ALIGNMENT'
--
arch/um/drivers/chan_user.c: note: in included file (through include/linux/compiler_types.h, arch/um/include/shared/init.h, arch/um/drivers/chan_user.h):
include/linux/compiler_attributes.h:55:9: sparse: sparse: preprocessor token __always_inline redefined
arch/um/drivers/chan_user.c: note: in included file (through /usr/include/features.h, /usr/include/sys/types.h, arch/um/include/shared/user.h, builtin):
/usr/include/sys/cdefs.h:426:10: sparse: this was the original definition
arch/um/drivers/chan_user.c: note: in included file (through arch/um/include/shared/init.h, arch/um/drivers/chan_user.h):
>> include/linux/compiler_types.h:82:5: sparse: sparse: undefined preprocessor identifier 'CONFIG_FUNCTION_ALIGNMENT'
--
arch/um/os-Linux/main.c: note: in included file (through include/linux/compiler_types.h, arch/um/include/shared/init.h):
include/linux/compiler_attributes.h:55:9: sparse: sparse: preprocessor token __always_inline redefined
arch/um/os-Linux/main.c: note: in included file (through /usr/include/features.h, /usr/include/sys/types.h, arch/um/include/shared/user.h, builtin):
/usr/include/sys/cdefs.h:426:10: sparse: this was the original definition
arch/um/os-Linux/main.c: note: in included file (through arch/um/include/shared/init.h):
>> include/linux/compiler_types.h:82:5: sparse: sparse: undefined preprocessor identifier 'CONFIG_FUNCTION_ALIGNMENT'
arch/um/os-Linux/main.c:187:6: sparse: sparse: symbol '__wrap_malloc' was not declared. Should it be static?
arch/um/os-Linux/main.c:208:6: sparse: sparse: symbol '__wrap_calloc' was not declared. Should it be static?
arch/um/os-Linux/main.c:222:6: sparse: sparse: symbol '__wrap_free' was not declared. Should it be static?
--
arch/um/os-Linux/mem.c: note: in included file (through include/linux/compiler_types.h, arch/um/include/shared/init.h):
include/linux/compiler_attributes.h:55:9: sparse: sparse: preprocessor token __always_inline redefined
arch/um/os-Linux/mem.c: note: in included file (through /usr/include/features.h, /usr/include/sys/types.h, arch/um/include/shared/user.h, builtin):
/usr/include/sys/cdefs.h:426:10: sparse: this was the original definition
arch/um/os-Linux/mem.c: note: in included file (through arch/um/include/shared/init.h):
>> include/linux/compiler_types.h:82:5: sparse: sparse: undefined preprocessor identifier 'CONFIG_FUNCTION_ALIGNMENT'
--
arch/um/os-Linux/process.c: note: in included file (through include/linux/compiler_types.h, arch/um/include/shared/init.h):
include/linux/compiler_attributes.h:55:9: sparse: sparse: preprocessor token __always_inline redefined
arch/um/os-Linux/process.c: note: in included file (through /usr/include/features.h, /usr/include/sys/types.h, arch/um/include/shared/user.h, builtin):
/usr/include/sys/cdefs.h:426:10: sparse: this was the original definition
arch/um/os-Linux/process.c: note: in included file (through arch/um/include/shared/init.h):
>> include/linux/compiler_types.h:82:5: sparse: sparse: undefined preprocessor identifier 'CONFIG_FUNCTION_ALIGNMENT'
--
arch/um/os-Linux/sigio.c: note: in included file (through include/linux/compiler_types.h, arch/um/include/shared/init.h):
include/linux/compiler_attributes.h:55:9: sparse: sparse: preprocessor token __always_inline redefined
arch/um/os-Linux/sigio.c: note: in included file (through /usr/include/features.h, /usr/include/sys/types.h, arch/um/include/shared/user.h, builtin):
/usr/include/sys/cdefs.h:426:10: sparse: this was the original definition
arch/um/os-Linux/sigio.c: note: in included file (through arch/um/include/shared/init.h):
>> include/linux/compiler_types.h:82:5: sparse: sparse: undefined preprocessor identifier 'CONFIG_FUNCTION_ALIGNMENT'
--
arch/um/os-Linux/start_up.c: note: in included file (through include/linux/compiler_types.h, arch/um/include/shared/init.h):
include/linux/compiler_attributes.h:55:9: sparse: sparse: preprocessor token __always_inline redefined
arch/um/os-Linux/start_up.c: note: in included file (through /usr/include/features.h, /usr/include/sys/types.h, arch/um/include/shared/user.h, builtin):
/usr/include/sys/cdefs.h:426:10: sparse: this was the original definition
arch/um/os-Linux/start_up.c: note: in included file (through arch/um/include/shared/init.h):
>> include/linux/compiler_types.h:82:5: sparse: sparse: undefined preprocessor identifier 'CONFIG_FUNCTION_ALIGNMENT'
--
arch/um/os-Linux/umid.c: note: in included file (through include/linux/compiler_types.h, arch/um/include/shared/init.h):
include/linux/compiler_attributes.h:55:9: sparse: sparse: preprocessor token __always_inline redefined
arch/um/os-Linux/umid.c: note: in included file (through /usr/include/features.h, /usr/include/sys/types.h, arch/um/include/shared/user.h, builtin):
/usr/include/sys/cdefs.h:426:10: sparse: this was the original definition
arch/um/os-Linux/umid.c: note: in included file (through arch/um/include/shared/init.h):
>> include/linux/compiler_types.h:82:5: sparse: sparse: undefined preprocessor identifier 'CONFIG_FUNCTION_ALIGNMENT'
--
arch/um/os-Linux/util.c: note: in included file (through include/linux/compiler_types.h, arch/um/include/shared/init.h):
include/linux/compiler_attributes.h:55:9: sparse: sparse: preprocessor token __always_inline redefined
arch/um/os-Linux/util.c: note: in included file (through /usr/include/features.h, /usr/include/sys/types.h, arch/um/include/shared/user.h, builtin):
/usr/include/sys/cdefs.h:426:10: sparse: this was the original definition
arch/um/os-Linux/util.c: note: in included file (through arch/um/include/shared/init.h):
>> include/linux/compiler_types.h:82:5: sparse: sparse: undefined preprocessor identifier 'CONFIG_FUNCTION_ALIGNMENT'
arch/um/os-Linux/util.c:93:48: sparse: sparse: Using plain integer as NULL pointer
--
arch/um/os-Linux/skas/mem.c: note: in included file (through include/linux/compiler_types.h, arch/um/include/shared/init.h):
include/linux/compiler_attributes.h:55:9: sparse: sparse: preprocessor token __always_inline redefined
arch/um/os-Linux/skas/mem.c: note: in included file (through /usr/include/features.h, /usr/include/sys/types.h, arch/um/include/shared/user.h, builtin):
/usr/include/sys/cdefs.h:426:10: sparse: this was the original definition
arch/um/os-Linux/skas/mem.c: note: in included file (through arch/um/include/shared/init.h):
>> include/linux/compiler_types.h:82:5: sparse: sparse: undefined preprocessor identifier 'CONFIG_FUNCTION_ALIGNMENT'
--
arch/um/os-Linux/skas/process.c: note: in included file (through include/linux/compiler_types.h, arch/um/include/shared/init.h):
include/linux/compiler_attributes.h:55:9: sparse: sparse: preprocessor token __always_inline redefined
arch/um/os-Linux/skas/process.c: note: in included file (through /usr/include/features.h, /usr/include/sys/types.h, arch/um/include/shared/user.h, builtin):
/usr/include/sys/cdefs.h:426:10: sparse: this was the original definition
arch/um/os-Linux/skas/process.c: note: in included file (through arch/um/include/shared/init.h):
>> include/linux/compiler_types.h:82:5: sparse: sparse: undefined preprocessor identifier 'CONFIG_FUNCTION_ALIGNMENT'
arch/um/os-Linux/skas/process.c:300:5: sparse: sparse: symbol 'kill_userspace_mm' was not declared. Should it be static?
vim +/CONFIG_FUNCTION_ALIGNMENT +82 include/linux/compiler_types.h
81
> 82 #if CONFIG_FUNCTION_ALIGNMENT > 0
83 #define __function_aligned __aligned(CONFIG_FUNCTION_ALIGNMENT)
84 #else
85 #define __function_aligned
86 #endif
87
--
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