linux-kernel - x86: unistd_64.h: warning: missing whitespace after the macro name

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Date:   Mon, 24 May 2021 17:16:22 +0530
From:   Naresh Kamboju <naresh.kamboju@...aro.org>
To:     X86 ML <x86@...nel.org>, open list <linux-kernel@...r.kernel.org>,
        lkft-triage@...ts.linaro.org
Cc:     Masahiro Yamada <masahiroy@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>
Subject: x86: unistd_64.h: warning: missing whitespace after the macro name

While building Linux next-20210524 tag with gcc 7.x the following warnings and
errors were noticed.

build log:
------------
  HOSTLD  scripts/mod/modpost
  CC      kernel/bounds.s
  CALL    /srv/oe/build/tmp-lkft-glibc/work-shared/intel-corei7-64/kernel-source/scripts/atomic/check-atomics.sh
  UPD     include/generated/bounds.h
  UPD     include/generated/timeconst.h
  CC      arch/x86/kernel/asm-offsets.s
In file included from
/srv/oe/build/tmp-lkft-glibc/work-shared/intel-corei7-64/kernel-source/arch/x86/include/asm/unistd.h:20:0,
                 from
/srv/oe/build/tmp-lkft-glibc/work-shared/intel-corei7-64/kernel-source/arch/x86/include/asm/seccomp.h:5,
                 from
/srv/oe/build/tmp-lkft-glibc/work-shared/intel-corei7-64/kernel-source/include/linux/seccomp.h:21,
                 from
/srv/oe/build/tmp-lkft-glibc/work-shared/intel-corei7-64/kernel-source/include/linux/sched.h:21,
                 from
/srv/oe/build/tmp-lkft-glibc/work-shared/intel-corei7-64/kernel-source/arch/x86/kernel/asm-offsets.c:10:
./arch/x86/include/generated/uapi/asm/unistd_64.h:4:14: warning:
missing whitespace after the macro name
 #define __NR_/usrread 0
              ^
./arch/x86/include/generated/uapi/asm/unistd_64.h:5:14: warning:
missing whitespace after the macro name
 #define __NR_/usrwrite 1
              ^
./arch/x86/include/generated/uapi/asm/unistd_64.h:5:0: warning:
"__NR_" redefined
 #define __NR_/usrwrite 1

./arch/x86/include/generated/uapi/asm/unistd_64.h:4:0: note: this is
the location of the previous definition
 #define __NR_/usrread 0

./arch/x86/include/generated/uapi/asm/unistd_64.h:6:14: warning:
missing whitespace after the macro name
 #define __NR_/usropen 2
              ^
./arch/x86/include/generated/uapi/asm/unistd_64.h:6:0: warning:
"__NR_" redefined
 #define __NR_/usropen 2

./arch/x86/include/generated/uapi/asm/unistd_64.h:5:0: note: this is
the location of the previous definition
 #define __NR_/usrwrite 1

./arch/x86/include/generated/uapi/asm/unistd_64.h:7:14: warning:
missing whitespace after the macro name
 #define __NR_/usrclose 3
              ^
./arch/x86/include/generated/uapi/asm/unistd_64.h:7:0: warning:
"__NR_" redefined
 #define __NR_/usrclose 3

./arch/x86/include/generated/uapi/asm/unistd_64.h:6:0: note: this is
the location of the previous definition
 #define __NR_/usropen 2

./arch/x86/include/generated/uapi/asm/unistd_64.h:8:14: warning:
missing whitespace after the macro name
 #define __NR_/usrstat 4
              ^
./arch/x86/include/generated/uapi/asm/unistd_64.h:8:0: warning:
"__NR_" redefined
 #define __NR_/usrstat 4

./arch/x86/include/generated/uapi/asm/unistd_64.h:7:0: note: this is
the location of the previous definition
 #define __NR_/usrclose 3

./arch/x86/include/generated/uapi/asm/unistd_64.h:9:14: warning:
missing whitespace after the macro name
 #define __NR_/usrfstat 5
              ^
./arch/x86/include/generated/uapi/asm/unistd_64.h:9:0: warning:
"__NR_" redefined
 #define __NR_/usrfstat 5

./arch/x86/include/generated/uapi/asm/unistd_64.h:8:0: note: this is
the location of the previous definition
 #define __NR_/usrstat 4

./arch/x86/include/generated/uapi/asm/unistd_64.h:10:14: warning:
missing whitespace after the macro name
 #define __NR_/usrlstat 6
              ^
./arch/x86/include/generated/uapi/asm/unistd_64.h:10:0: warning:
"__NR_" redefined
 #define __NR_/usrlstat 6

./arch/x86/include/generated/uapi/asm/unistd_64.h:9:0: note: this is
the location of the previous definition
 #define __NR_/usrfstat 5

<trim>

Reported-by: Naresh Kamboju <naresh.kamboju@...aro.org>

Detailed build link,
https://ci.linaro.org/view/lkft/job/openembedded-lkft-linux-next/DISTRO=lkft,MACHINE=intel-corei7-64,label=docker-buster-lkft/1032/console


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