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From: Paul Cercueil <paul@crapouillou.net>
To: kernel test robot <lkp@intel.com>
Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org,
	linux-kernel@vger.kernel.org,
	Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
	linux-mips <linux-mips@vger.kernel.org>
Subject: Re: arch/mips/include/asm/checksum.h:195:9: error: unsupported inline asm: input with type 'unsigned long' matching output with type '__wsum' (aka 'unsigned int')
Date: Thu, 19 May 2022 18:45:24 +0100	[thread overview]
Message-ID: <OB55CR.QAT1J8A48BK21@crapouillou.net> (raw)
In-Reply-To: <202205200128.layu7VXF-lkp@intel.com>

Hi Bot,

Le ven., mai 20 2022 at 01:23:43 +0800, kernel test robot 
<lkp@intel.com> a écrit :
> tree:   
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 
> master
> head:   f993aed406eaf968ba3867a76bb46c95336a33d0
> commit: c434b9f80b0923e6460031b0fd964f8b0bf3c6a6 MIPS: Kconfig: add 
> MIPS_GENERIC_KERNEL symbol

I have no idea how that error could be even remotely related to the 
commit above.

About the real issue: Maybe the last "addu" in csum_tcpudp_nofold() 
should be a "daddu"?

Cheers,
-Paul

> date:   1 year, 8 months ago
> config: mips-randconfig-r036-20220519 
> (https://download.01.org/0day-ci/archive/20220520/202205200128.layu7VXF-lkp@intel.com/config)
> compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 
> e00cbbec06c08dc616a0d52a20f678b8fbd4e304)
> 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 mips cross compiling tool for clang build
>         # apt-get install binutils-mips-linux-gnu
>         # 
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c434b9f80b0923e6460031b0fd964f8b0bf3c6a6
>         git remote add linus 
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
>         git fetch --no-tags linus master
>         git checkout c434b9f80b0923e6460031b0fd964f8b0bf3c6a6
>         # 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=mips SHELL=/bin/bash arch/mips/cavium-octeon/ 
> drivers/dma-buf/heaps/ net/ipv6/
> 
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@intel.com>
> 
> All error/warnings (new ones prefixed by >>):
> 
>    In file included from arch/mips/cavium-octeon/octeon-platform.c:10:
>    In file included from include/linux/etherdevice.h:20:
>    In file included from include/linux/if_ether.h:19:
>    In file included from include/linux/skbuff.h:28:
>    In file included from include/net/checksum.h:22:
>>>  arch/mips/include/asm/checksum.h:195:9: error: unsupported inline 
>>> asm: input with type 'unsigned long' matching output with type 
>>> '__wsum' (aka 'unsigned int')
>            : "0" ((__force unsigned long)daddr),
>                   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    In file included from arch/mips/cavium-octeon/octeon-platform.c:15:
>    In file included from arch/mips/include/asm/octeon/octeon.h:11:
>    In file included from arch/mips/include/asm/octeon/cvmx.h:72:
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:323:3: warning: 
> adding 'int' to a string does not append to the string 
> [-Wstring-plus-int]
>                    ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_NULL)
>                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                           ~~~^~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:323:3: note: use 
> array indexing to silence this warning
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                              ^
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:324:3: warning: 
> adding 'int' to a string does not append to the string 
> [-Wstring-plus-int]
>                    ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_SIM)
>                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                           ~~~^~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:324:3: note: use 
> array indexing to silence this warning
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                              ^
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:325:3: warning: 
> adding 'int' to a string does not append to the string 
> [-Wstring-plus-int]
>                    ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_EBT3000)
>                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                           ~~~^~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:325:3: note: use 
> array indexing to silence this warning
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                              ^
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:326:3: warning: 
> adding 'int' to a string does not append to the string 
> [-Wstring-plus-int]
>                    ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_KODAMA)
>                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                           ~~~^~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:326:3: note: use 
> array indexing to silence this warning
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                              ^
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:327:3: warning: 
> adding 'int' to a string does not append to the string 
> [-Wstring-plus-int]
>                    ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_NIAGARA)
>                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                           ~~~^~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:327:3: note: use 
> array indexing to silence this warning
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                              ^
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:328:3: warning: 
> adding 'int' to a string does not append to the string 
> [-Wstring-plus-int]
>                    ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_NAC38)
>                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                           ~~~^~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:328:3: note: use 
> array indexing to silence this warning
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                              ^
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:329:3: warning: 
> adding 'int' to a string does not append to the string 
> [-Wstring-plus-int]
>                    ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_THUNDER)
>                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                           ~~~^~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:329:3: note: use 
> array indexing to silence this warning
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                              ^
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:330:3: warning: 
> adding 'int' to a string does not append to the string 
> [-Wstring-plus-int]
>                    ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_TRANTOR)
>                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                           ~~~^~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:330:3: note: use 
> array indexing to silence this warning
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                              ^
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:331:3: warning: 
> adding 'int' to a string does not append to the string 
> [-Wstring-plus-int]
>                    ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_EBH3000)
>                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                           ~~~^~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:331:3: note: use 
> array indexing to silence this warning
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                              ^
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:332:3: warning: 
> adding 'int' to a string does not append to the string 
> [-Wstring-plus-int]
>                    ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_EBH3100)
>                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
> --
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                              ^
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:397:3: warning: 
> adding 'int' to a string does not append to the string 
> [-Wstring-plus-int]
>                    
> ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_PRIVATE_MIN)
>                    
> ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                           ~~~^~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:397:3: note: use 
> array indexing to silence this warning
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                              ^
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:398:3: warning: 
> adding 'int' to a string does not append to the string 
> [-Wstring-plus-int]
>                    ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_UBNT_E100)
>                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                           ~~~^~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:398:3: note: use 
> array indexing to silence this warning
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                              ^
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:399:3: warning: 
> adding 'int' to a string does not append to the string 
> [-Wstring-plus-int]
>                    ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_DSR1000N)
>                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                           ~~~^~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:399:3: note: use 
> array indexing to silence this warning
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                              ^
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:400:3: warning: 
> adding 'int' to a string does not append to the string 
> [-Wstring-plus-int]
>                    ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_KONTRON_S1901)
>                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                           ~~~^~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:400:3: note: use 
> array indexing to silence this warning
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                              ^
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:401:3: warning: 
> adding 'int' to a string does not append to the string 
> [-Wstring-plus-int]
>                    
> ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_PRIVATE_MAX)
>                    
> ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                           ~~~^~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:401:3: note: use 
> array indexing to silence this warning
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                              ^
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:412:3: warning: 
> adding 'int' to a string does not append to the string 
> [-Wstring-plus-int]
>                    ENUM_CHIP_TYPE_CASE(CVMX_CHIP_TYPE_NULL)
>                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:407:20: note: 
> expanded from macro 'ENUM_CHIP_TYPE_CASE'
>            case x: return(#x + 15);        /* Skip CVMX_CHIP_TYPE */
>                           ~~~^~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:412:3: note: use 
> array indexing to silence this warning
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:407:20: note: 
> expanded from macro 'ENUM_CHIP_TYPE_CASE'
>            case x: return(#x + 15);        /* Skip CVMX_CHIP_TYPE */
>                              ^
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:413:3: warning: 
> adding 'int' to a string does not append to the string 
> [-Wstring-plus-int]
>                    ENUM_CHIP_TYPE_CASE(CVMX_CHIP_SIM_TYPE_DEPRECATED)
>                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:407:20: note: 
> expanded from macro 'ENUM_CHIP_TYPE_CASE'
>            case x: return(#x + 15);        /* Skip CVMX_CHIP_TYPE */
>                           ~~~^~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:413:3: note: use 
> array indexing to silence this warning
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:407:20: note: 
> expanded from macro 'ENUM_CHIP_TYPE_CASE'
>            case x: return(#x + 15);        /* Skip CVMX_CHIP_TYPE */
>                              ^
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:414:3: warning: 
> adding 'int' to a string does not append to the string 
> [-Wstring-plus-int]
>                    ENUM_CHIP_TYPE_CASE(CVMX_CHIP_TYPE_OCTEON_SAMPLE)
>                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:407:20: note: 
> expanded from macro 'ENUM_CHIP_TYPE_CASE'
>            case x: return(#x + 15);        /* Skip CVMX_CHIP_TYPE */
>                           ~~~^~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:414:3: note: use 
> array indexing to silence this warning
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:407:20: note: 
> expanded from macro 'ENUM_CHIP_TYPE_CASE'
>            case x: return(#x + 15);        /* Skip CVMX_CHIP_TYPE */
>                              ^
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:415:3: warning: 
> adding 'int' to a string does not append to the string 
> [-Wstring-plus-int]
>                    ENUM_CHIP_TYPE_CASE(CVMX_CHIP_TYPE_MAX)
>                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:407:20: note: 
> expanded from macro 'ENUM_CHIP_TYPE_CASE'
>            case x: return(#x + 15);        /* Skip CVMX_CHIP_TYPE */
>                           ~~~^~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:415:3: note: use 
> array indexing to silence this warning
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:407:20: note: 
> expanded from macro 'ENUM_CHIP_TYPE_CASE'
>            case x: return(#x + 15);        /* Skip CVMX_CHIP_TYPE */
>                              ^
>    arch/mips/cavium-octeon/smp.c:99:6: warning: no previous prototype 
> for function 'octeon_send_ipi_single' [-Wmissing-prototypes]
>    void octeon_send_ipi_single(int cpu, unsigned int action)
>         ^
>    arch/mips/cavium-octeon/smp.c:99:1: note: declare 'static' if the 
> function is not intended to be used outside of this translation unit
>    void octeon_send_ipi_single(int cpu, unsigned int action)
>    ^
>    static
>>>  arch/mips/cavium-octeon/smp.c:194:5: warning: no previous 
>>> prototype for function 'plat_post_relocation' [-Wmissing-prototypes]
>    int plat_post_relocation(long offset)
>        ^
>    arch/mips/cavium-octeon/smp.c:194:1: note: declare 'static' if the 
> function is not intended to be used outside of this translation unit
>    int plat_post_relocation(long offset)
>    ^
>    static
>    81 warnings generated.
>    Assembler messages:
>    Warning: a different -march was already specified, is now octeon
> --
>                           ~~~^~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:394:3: note: use 
> array indexing to silence this warning
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                              ^
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:397:3: warning: 
> adding 'int' to a string does not append to the string 
> [-Wstring-plus-int]
>                    
> ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_PRIVATE_MIN)
>                    
> ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                           ~~~^~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:397:3: note: use 
> array indexing to silence this warning
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                              ^
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:398:3: warning: 
> adding 'int' to a string does not append to the string 
> [-Wstring-plus-int]
>                    ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_UBNT_E100)
>                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                           ~~~^~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:398:3: note: use 
> array indexing to silence this warning
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                              ^
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:399:3: warning: 
> adding 'int' to a string does not append to the string 
> [-Wstring-plus-int]
>                    ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_DSR1000N)
>                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                           ~~~^~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:399:3: note: use 
> array indexing to silence this warning
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                              ^
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:400:3: warning: 
> adding 'int' to a string does not append to the string 
> [-Wstring-plus-int]
>                    ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_KONTRON_S1901)
>                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                           ~~~^~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:400:3: note: use 
> array indexing to silence this warning
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                              ^
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:401:3: warning: 
> adding 'int' to a string does not append to the string 
> [-Wstring-plus-int]
>                    
> ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_PRIVATE_MAX)
>                    
> ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                           ~~~^~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:401:3: note: use 
> array indexing to silence this warning
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                              ^
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:412:3: warning: 
> adding 'int' to a string does not append to the string 
> [-Wstring-plus-int]
>                    ENUM_CHIP_TYPE_CASE(CVMX_CHIP_TYPE_NULL)
>                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:407:20: note: 
> expanded from macro 'ENUM_CHIP_TYPE_CASE'
>            case x: return(#x + 15);        /* Skip CVMX_CHIP_TYPE */
>                           ~~~^~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:412:3: note: use 
> array indexing to silence this warning
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:407:20: note: 
> expanded from macro 'ENUM_CHIP_TYPE_CASE'
>            case x: return(#x + 15);        /* Skip CVMX_CHIP_TYPE */
>                              ^
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:413:3: warning: 
> adding 'int' to a string does not append to the string 
> [-Wstring-plus-int]
>                    ENUM_CHIP_TYPE_CASE(CVMX_CHIP_SIM_TYPE_DEPRECATED)
>                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:407:20: note: 
> expanded from macro 'ENUM_CHIP_TYPE_CASE'
>            case x: return(#x + 15);        /* Skip CVMX_CHIP_TYPE */
>                           ~~~^~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:413:3: note: use 
> array indexing to silence this warning
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:407:20: note: 
> expanded from macro 'ENUM_CHIP_TYPE_CASE'
>            case x: return(#x + 15);        /* Skip CVMX_CHIP_TYPE */
>                              ^
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:414:3: warning: 
> adding 'int' to a string does not append to the string 
> [-Wstring-plus-int]
>                    ENUM_CHIP_TYPE_CASE(CVMX_CHIP_TYPE_OCTEON_SAMPLE)
>                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:407:20: note: 
> expanded from macro 'ENUM_CHIP_TYPE_CASE'
>            case x: return(#x + 15);        /* Skip CVMX_CHIP_TYPE */
>                           ~~~^~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:414:3: note: use 
> array indexing to silence this warning
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:407:20: note: 
> expanded from macro 'ENUM_CHIP_TYPE_CASE'
>            case x: return(#x + 15);        /* Skip CVMX_CHIP_TYPE */
>                              ^
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:415:3: warning: 
> adding 'int' to a string does not append to the string 
> [-Wstring-plus-int]
>                    ENUM_CHIP_TYPE_CASE(CVMX_CHIP_TYPE_MAX)
>                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:407:20: note: 
> expanded from macro 'ENUM_CHIP_TYPE_CASE'
>            case x: return(#x + 15);        /* Skip CVMX_CHIP_TYPE */
>                           ~~~^~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:415:3: note: use 
> array indexing to silence this warning
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:407:20: note: 
> expanded from macro 'ENUM_CHIP_TYPE_CASE'
>            case x: return(#x + 15);        /* Skip CVMX_CHIP_TYPE */
>                              ^
>    In file included from 
> arch/mips/cavium-octeon/crypto/octeon-sha1.c:23:
>    In file included from include/crypto/internal/hash.h:11:
>    In file included from include/crypto/algapi.h:13:
>    In file included from include/linux/skbuff.h:28:
>    In file included from include/net/checksum.h:22:
>>>  arch/mips/include/asm/checksum.h:195:9: error: unsupported inline 
>>> asm: input with type 'unsigned long' matching output with type 
>>> '__wsum' (aka 'unsigned int')
>            : "0" ((__force unsigned long)daddr),
>                   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    79 warnings and 1 error generated.
> ..
> 
> 
> vim +195 arch/mips/include/asm/checksum.h
> 
> ^1da177e4c3f41 include/asm-mips/checksum.h      Linus Torvalds  
> 2005-04-16  162
> 01cfbad79a5e2b arch/mips/include/asm/checksum.h Alexander Duyck 
> 2016-03-11  163  static inline __wsum csum_tcpudp_nofold(__be32 
> saddr, __be32 daddr,
> 01cfbad79a5e2b arch/mips/include/asm/checksum.h Alexander Duyck 
> 2016-03-11  164  					__u32 len, __u8 proto,
> 8e3d8433d8c22c include/asm-mips/checksum.h      Al Viro         
> 2006-11-14  165  					__wsum sum)
> ^1da177e4c3f41 include/asm-mips/checksum.h      Linus Torvalds  
> 2005-04-16  166  {
> ^1da177e4c3f41 include/asm-mips/checksum.h      Linus Torvalds  
> 2005-04-16  167  	__asm__(
> 04988d6fda5c1c include/asm-mips/checksum.h      Thiemo Seufer   
> 2005-07-08  168  	"	.set	push		# csum_tcpudp_nofold\n"
> 04988d6fda5c1c include/asm-mips/checksum.h      Thiemo Seufer   
> 2005-07-08  169  	"	.set	noat		\n"
> 875d43e72b5bf2 include/asm-mips/checksum.h      Ralf Baechle    
> 2005-09-03  170  #ifdef CONFIG_32BIT
> 04988d6fda5c1c include/asm-mips/checksum.h      Thiemo Seufer   
> 2005-07-08  171  	"	addu	%0, %2		\n"
> 04988d6fda5c1c include/asm-mips/checksum.h      Thiemo Seufer   
> 2005-07-08  172  	"	sltu	$1, %0, %2	\n"
> 04988d6fda5c1c include/asm-mips/checksum.h      Thiemo Seufer   
> 2005-07-08  173  	"	addu	%0, $1		\n"
> ^1da177e4c3f41 include/asm-mips/checksum.h      Linus Torvalds  
> 2005-04-16  174
> 04988d6fda5c1c include/asm-mips/checksum.h      Thiemo Seufer   
> 2005-07-08  175  	"	addu	%0, %3		\n"
> 04988d6fda5c1c include/asm-mips/checksum.h      Thiemo Seufer   
> 2005-07-08  176  	"	sltu	$1, %0, %3	\n"
> 04988d6fda5c1c include/asm-mips/checksum.h      Thiemo Seufer   
> 2005-07-08  177  	"	addu	%0, $1		\n"
> ^1da177e4c3f41 include/asm-mips/checksum.h      Linus Torvalds  
> 2005-04-16  178
> 04988d6fda5c1c include/asm-mips/checksum.h      Thiemo Seufer   
> 2005-07-08  179  	"	addu	%0, %4		\n"
> 04988d6fda5c1c include/asm-mips/checksum.h      Thiemo Seufer   
> 2005-07-08  180  	"	sltu	$1, %0, %4	\n"
> 04988d6fda5c1c include/asm-mips/checksum.h      Thiemo Seufer   
> 2005-07-08  181  	"	addu	%0, $1		\n"
> ^1da177e4c3f41 include/asm-mips/checksum.h      Linus Torvalds  
> 2005-04-16  182  #endif
> 875d43e72b5bf2 include/asm-mips/checksum.h      Ralf Baechle    
> 2005-09-03  183  #ifdef CONFIG_64BIT
> 04988d6fda5c1c include/asm-mips/checksum.h      Thiemo Seufer   
> 2005-07-08  184  	"	daddu	%0, %2		\n"
> 04988d6fda5c1c include/asm-mips/checksum.h      Thiemo Seufer   
> 2005-07-08  185  	"	daddu	%0, %3		\n"
> 04988d6fda5c1c include/asm-mips/checksum.h      Thiemo Seufer   
> 2005-07-08  186  	"	daddu	%0, %4		\n"
> 04988d6fda5c1c include/asm-mips/checksum.h      Thiemo Seufer   
> 2005-07-08  187  	"	dsll32	$1, %0, 0	\n"
> 04988d6fda5c1c include/asm-mips/checksum.h      Thiemo Seufer   
> 2005-07-08  188  	"	daddu	%0, $1		\n"
> 66fd848cadaa6b arch/mips/include/asm/checksum.h Ralf Baechle    
> 2017-01-26  189  	"	sltu	$1, %0, $1	\n"
> e97288386a316e include/asm-mips/checksum.h      Ralf Baechle    
> 2005-09-20  190  	"	dsra32	%0, %0, 0	\n"
> 66fd848cadaa6b arch/mips/include/asm/checksum.h Ralf Baechle    
> 2017-01-26  191  	"	addu	%0, $1		\n"
> ^1da177e4c3f41 include/asm-mips/checksum.h      Linus Torvalds  
> 2005-04-16  192  #endif
> 04988d6fda5c1c include/asm-mips/checksum.h      Thiemo Seufer   
> 2005-07-08  193  	"	.set	pop"
> ^1da177e4c3f41 include/asm-mips/checksum.h      Linus Torvalds  
> 2005-04-16  194  	: "=r" (sum)
> 66218da212bf14 include/asm-mips/checksum.h      Atsushi Nemoto  
> 2007-01-24 @195  	: "0" ((__force unsigned long)daddr),
> 66218da212bf14 include/asm-mips/checksum.h      Atsushi Nemoto  
> 2007-01-24  196  	  "r" ((__force unsigned long)saddr),
> ^1da177e4c3f41 include/asm-mips/checksum.h      Linus Torvalds  
> 2005-04-16  197  #ifdef __MIPSEL__
> 8e3d8433d8c22c include/asm-mips/checksum.h      Al Viro         
> 2006-11-14  198  	  "r" ((proto + len) << 8),
> ^1da177e4c3f41 include/asm-mips/checksum.h      Linus Torvalds  
> 2005-04-16  199  #else
> 8e3d8433d8c22c include/asm-mips/checksum.h      Al Viro         
> 2006-11-14  200  	  "r" (proto + len),
> ^1da177e4c3f41 include/asm-mips/checksum.h      Linus Torvalds  
> 2005-04-16  201  #endif
> 1d464c26b56252 include/asm-mips/checksum.h      Dave Johnson    
> 2007-04-18  202  	  "r" ((__force unsigned long)sum));
> ^1da177e4c3f41 include/asm-mips/checksum.h      Linus Torvalds  
> 2005-04-16  203
> ^1da177e4c3f41 include/asm-mips/checksum.h      Linus Torvalds  
> 2005-04-16  204  	return sum;
> ^1da177e4c3f41 include/asm-mips/checksum.h      Linus Torvalds  
> 2005-04-16  205  }
> b4b5015a1c1450 arch/mips/include/asm/checksum.h Ralf Baechle    
> 2014-12-17  206  #define csum_tcpudp_nofold csum_tcpudp_nofold
> ^1da177e4c3f41 include/asm-mips/checksum.h      Linus Torvalds  
> 2005-04-16  207
> 
> :::::: The code at line 195 was first introduced by commit
> :::::: 66218da212bf141532d678a699f5789c78145ab1 [MIPS] Fix wrong 
> checksum calculation on 64-bit MIPS
> 
> :::::: TO: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
> :::::: CC: Ralf Baechle <ralf@linux-mips.org>
> 
> --
> 0-DAY CI Kernel Test Service
> https://01.org/lkp



WARNING: multiple messages have this Message-ID (diff)
From: Paul Cercueil <paul@crapouillou.net>
To: kbuild-all@lists.01.org
Subject: Re: arch/mips/include/asm/checksum.h:195:9: error: unsupported inline asm: input with type 'unsigned long' matching output with type '__wsum' (aka 'unsigned int')
Date: Thu, 19 May 2022 18:45:24 +0100	[thread overview]
Message-ID: <OB55CR.QAT1J8A48BK21@crapouillou.net> (raw)
In-Reply-To: <202205200128.layu7VXF-lkp@intel.com>

[-- Attachment #1: Type: text/plain, Size: 33350 bytes --]

Hi Bot,

Le ven., mai 20 2022 at 01:23:43 +0800, kernel test robot 
<lkp@intel.com> a écrit :
> tree:   
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 
> master
> head:   f993aed406eaf968ba3867a76bb46c95336a33d0
> commit: c434b9f80b0923e6460031b0fd964f8b0bf3c6a6 MIPS: Kconfig: add 
> MIPS_GENERIC_KERNEL symbol

I have no idea how that error could be even remotely related to the 
commit above.

About the real issue: Maybe the last "addu" in csum_tcpudp_nofold() 
should be a "daddu"?

Cheers,
-Paul

> date:   1 year, 8 months ago
> config: mips-randconfig-r036-20220519 
> (https://download.01.org/0day-ci/archive/20220520/202205200128.layu7VXF-lkp(a)intel.com/config)
> compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 
> e00cbbec06c08dc616a0d52a20f678b8fbd4e304)
> 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 mips cross compiling tool for clang build
>         # apt-get install binutils-mips-linux-gnu
>         # 
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c434b9f80b0923e6460031b0fd964f8b0bf3c6a6
>         git remote add linus 
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
>         git fetch --no-tags linus master
>         git checkout c434b9f80b0923e6460031b0fd964f8b0bf3c6a6
>         # 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=mips SHELL=/bin/bash arch/mips/cavium-octeon/ 
> drivers/dma-buf/heaps/ net/ipv6/
> 
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@intel.com>
> 
> All error/warnings (new ones prefixed by >>):
> 
>    In file included from arch/mips/cavium-octeon/octeon-platform.c:10:
>    In file included from include/linux/etherdevice.h:20:
>    In file included from include/linux/if_ether.h:19:
>    In file included from include/linux/skbuff.h:28:
>    In file included from include/net/checksum.h:22:
>>>  arch/mips/include/asm/checksum.h:195:9: error: unsupported inline 
>>> asm: input with type 'unsigned long' matching output with type 
>>> '__wsum' (aka 'unsigned int')
>            : "0" ((__force unsigned long)daddr),
>                   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    In file included from arch/mips/cavium-octeon/octeon-platform.c:15:
>    In file included from arch/mips/include/asm/octeon/octeon.h:11:
>    In file included from arch/mips/include/asm/octeon/cvmx.h:72:
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:323:3: warning: 
> adding 'int' to a string does not append to the string 
> [-Wstring-plus-int]
>                    ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_NULL)
>                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                           ~~~^~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:323:3: note: use 
> array indexing to silence this warning
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                              ^
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:324:3: warning: 
> adding 'int' to a string does not append to the string 
> [-Wstring-plus-int]
>                    ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_SIM)
>                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                           ~~~^~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:324:3: note: use 
> array indexing to silence this warning
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                              ^
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:325:3: warning: 
> adding 'int' to a string does not append to the string 
> [-Wstring-plus-int]
>                    ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_EBT3000)
>                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                           ~~~^~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:325:3: note: use 
> array indexing to silence this warning
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                              ^
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:326:3: warning: 
> adding 'int' to a string does not append to the string 
> [-Wstring-plus-int]
>                    ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_KODAMA)
>                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                           ~~~^~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:326:3: note: use 
> array indexing to silence this warning
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                              ^
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:327:3: warning: 
> adding 'int' to a string does not append to the string 
> [-Wstring-plus-int]
>                    ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_NIAGARA)
>                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                           ~~~^~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:327:3: note: use 
> array indexing to silence this warning
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                              ^
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:328:3: warning: 
> adding 'int' to a string does not append to the string 
> [-Wstring-plus-int]
>                    ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_NAC38)
>                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                           ~~~^~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:328:3: note: use 
> array indexing to silence this warning
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                              ^
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:329:3: warning: 
> adding 'int' to a string does not append to the string 
> [-Wstring-plus-int]
>                    ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_THUNDER)
>                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                           ~~~^~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:329:3: note: use 
> array indexing to silence this warning
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                              ^
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:330:3: warning: 
> adding 'int' to a string does not append to the string 
> [-Wstring-plus-int]
>                    ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_TRANTOR)
>                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                           ~~~^~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:330:3: note: use 
> array indexing to silence this warning
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                              ^
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:331:3: warning: 
> adding 'int' to a string does not append to the string 
> [-Wstring-plus-int]
>                    ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_EBH3000)
>                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                           ~~~^~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:331:3: note: use 
> array indexing to silence this warning
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                              ^
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:332:3: warning: 
> adding 'int' to a string does not append to the string 
> [-Wstring-plus-int]
>                    ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_EBH3100)
>                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
> --
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                              ^
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:397:3: warning: 
> adding 'int' to a string does not append to the string 
> [-Wstring-plus-int]
>                    
> ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_PRIVATE_MIN)
>                    
> ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                           ~~~^~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:397:3: note: use 
> array indexing to silence this warning
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                              ^
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:398:3: warning: 
> adding 'int' to a string does not append to the string 
> [-Wstring-plus-int]
>                    ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_UBNT_E100)
>                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                           ~~~^~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:398:3: note: use 
> array indexing to silence this warning
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                              ^
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:399:3: warning: 
> adding 'int' to a string does not append to the string 
> [-Wstring-plus-int]
>                    ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_DSR1000N)
>                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                           ~~~^~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:399:3: note: use 
> array indexing to silence this warning
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                              ^
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:400:3: warning: 
> adding 'int' to a string does not append to the string 
> [-Wstring-plus-int]
>                    ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_KONTRON_S1901)
>                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                           ~~~^~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:400:3: note: use 
> array indexing to silence this warning
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                              ^
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:401:3: warning: 
> adding 'int' to a string does not append to the string 
> [-Wstring-plus-int]
>                    
> ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_PRIVATE_MAX)
>                    
> ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                           ~~~^~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:401:3: note: use 
> array indexing to silence this warning
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                              ^
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:412:3: warning: 
> adding 'int' to a string does not append to the string 
> [-Wstring-plus-int]
>                    ENUM_CHIP_TYPE_CASE(CVMX_CHIP_TYPE_NULL)
>                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:407:20: note: 
> expanded from macro 'ENUM_CHIP_TYPE_CASE'
>            case x: return(#x + 15);        /* Skip CVMX_CHIP_TYPE */
>                           ~~~^~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:412:3: note: use 
> array indexing to silence this warning
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:407:20: note: 
> expanded from macro 'ENUM_CHIP_TYPE_CASE'
>            case x: return(#x + 15);        /* Skip CVMX_CHIP_TYPE */
>                              ^
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:413:3: warning: 
> adding 'int' to a string does not append to the string 
> [-Wstring-plus-int]
>                    ENUM_CHIP_TYPE_CASE(CVMX_CHIP_SIM_TYPE_DEPRECATED)
>                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:407:20: note: 
> expanded from macro 'ENUM_CHIP_TYPE_CASE'
>            case x: return(#x + 15);        /* Skip CVMX_CHIP_TYPE */
>                           ~~~^~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:413:3: note: use 
> array indexing to silence this warning
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:407:20: note: 
> expanded from macro 'ENUM_CHIP_TYPE_CASE'
>            case x: return(#x + 15);        /* Skip CVMX_CHIP_TYPE */
>                              ^
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:414:3: warning: 
> adding 'int' to a string does not append to the string 
> [-Wstring-plus-int]
>                    ENUM_CHIP_TYPE_CASE(CVMX_CHIP_TYPE_OCTEON_SAMPLE)
>                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:407:20: note: 
> expanded from macro 'ENUM_CHIP_TYPE_CASE'
>            case x: return(#x + 15);        /* Skip CVMX_CHIP_TYPE */
>                           ~~~^~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:414:3: note: use 
> array indexing to silence this warning
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:407:20: note: 
> expanded from macro 'ENUM_CHIP_TYPE_CASE'
>            case x: return(#x + 15);        /* Skip CVMX_CHIP_TYPE */
>                              ^
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:415:3: warning: 
> adding 'int' to a string does not append to the string 
> [-Wstring-plus-int]
>                    ENUM_CHIP_TYPE_CASE(CVMX_CHIP_TYPE_MAX)
>                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:407:20: note: 
> expanded from macro 'ENUM_CHIP_TYPE_CASE'
>            case x: return(#x + 15);        /* Skip CVMX_CHIP_TYPE */
>                           ~~~^~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:415:3: note: use 
> array indexing to silence this warning
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:407:20: note: 
> expanded from macro 'ENUM_CHIP_TYPE_CASE'
>            case x: return(#x + 15);        /* Skip CVMX_CHIP_TYPE */
>                              ^
>    arch/mips/cavium-octeon/smp.c:99:6: warning: no previous prototype 
> for function 'octeon_send_ipi_single' [-Wmissing-prototypes]
>    void octeon_send_ipi_single(int cpu, unsigned int action)
>         ^
>    arch/mips/cavium-octeon/smp.c:99:1: note: declare 'static' if the 
> function is not intended to be used outside of this translation unit
>    void octeon_send_ipi_single(int cpu, unsigned int action)
>    ^
>    static
>>>  arch/mips/cavium-octeon/smp.c:194:5: warning: no previous 
>>> prototype for function 'plat_post_relocation' [-Wmissing-prototypes]
>    int plat_post_relocation(long offset)
>        ^
>    arch/mips/cavium-octeon/smp.c:194:1: note: declare 'static' if the 
> function is not intended to be used outside of this translation unit
>    int plat_post_relocation(long offset)
>    ^
>    static
>    81 warnings generated.
>    Assembler messages:
>    Warning: a different -march was already specified, is now octeon
> --
>                           ~~~^~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:394:3: note: use 
> array indexing to silence this warning
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                              ^
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:397:3: warning: 
> adding 'int' to a string does not append to the string 
> [-Wstring-plus-int]
>                    
> ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_PRIVATE_MIN)
>                    
> ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                           ~~~^~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:397:3: note: use 
> array indexing to silence this warning
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                              ^
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:398:3: warning: 
> adding 'int' to a string does not append to the string 
> [-Wstring-plus-int]
>                    ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_UBNT_E100)
>                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                           ~~~^~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:398:3: note: use 
> array indexing to silence this warning
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                              ^
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:399:3: warning: 
> adding 'int' to a string does not append to the string 
> [-Wstring-plus-int]
>                    ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_DSR1000N)
>                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                           ~~~^~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:399:3: note: use 
> array indexing to silence this warning
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                              ^
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:400:3: warning: 
> adding 'int' to a string does not append to the string 
> [-Wstring-plus-int]
>                    ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_KONTRON_S1901)
>                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                           ~~~^~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:400:3: note: use 
> array indexing to silence this warning
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                              ^
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:401:3: warning: 
> adding 'int' to a string does not append to the string 
> [-Wstring-plus-int]
>                    
> ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_PRIVATE_MAX)
>                    
> ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                           ~~~^~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:401:3: note: use 
> array indexing to silence this warning
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:318:20: note: 
> expanded from macro 'ENUM_BRD_TYPE_CASE'
>            case x: return(#x + 16);        /* Skip CVMX_BOARD_TYPE_ */
>                              ^
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:412:3: warning: 
> adding 'int' to a string does not append to the string 
> [-Wstring-plus-int]
>                    ENUM_CHIP_TYPE_CASE(CVMX_CHIP_TYPE_NULL)
>                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:407:20: note: 
> expanded from macro 'ENUM_CHIP_TYPE_CASE'
>            case x: return(#x + 15);        /* Skip CVMX_CHIP_TYPE */
>                           ~~~^~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:412:3: note: use 
> array indexing to silence this warning
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:407:20: note: 
> expanded from macro 'ENUM_CHIP_TYPE_CASE'
>            case x: return(#x + 15);        /* Skip CVMX_CHIP_TYPE */
>                              ^
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:413:3: warning: 
> adding 'int' to a string does not append to the string 
> [-Wstring-plus-int]
>                    ENUM_CHIP_TYPE_CASE(CVMX_CHIP_SIM_TYPE_DEPRECATED)
>                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:407:20: note: 
> expanded from macro 'ENUM_CHIP_TYPE_CASE'
>            case x: return(#x + 15);        /* Skip CVMX_CHIP_TYPE */
>                           ~~~^~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:413:3: note: use 
> array indexing to silence this warning
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:407:20: note: 
> expanded from macro 'ENUM_CHIP_TYPE_CASE'
>            case x: return(#x + 15);        /* Skip CVMX_CHIP_TYPE */
>                              ^
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:414:3: warning: 
> adding 'int' to a string does not append to the string 
> [-Wstring-plus-int]
>                    ENUM_CHIP_TYPE_CASE(CVMX_CHIP_TYPE_OCTEON_SAMPLE)
>                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:407:20: note: 
> expanded from macro 'ENUM_CHIP_TYPE_CASE'
>            case x: return(#x + 15);        /* Skip CVMX_CHIP_TYPE */
>                           ~~~^~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:414:3: note: use 
> array indexing to silence this warning
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:407:20: note: 
> expanded from macro 'ENUM_CHIP_TYPE_CASE'
>            case x: return(#x + 15);        /* Skip CVMX_CHIP_TYPE */
>                              ^
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:415:3: warning: 
> adding 'int' to a string does not append to the string 
> [-Wstring-plus-int]
>                    ENUM_CHIP_TYPE_CASE(CVMX_CHIP_TYPE_MAX)
>                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:407:20: note: 
> expanded from macro 'ENUM_CHIP_TYPE_CASE'
>            case x: return(#x + 15);        /* Skip CVMX_CHIP_TYPE */
>                           ~~~^~~~
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:415:3: note: use 
> array indexing to silence this warning
>    arch/mips/include/asm/octeon/cvmx-bootinfo.h:407:20: note: 
> expanded from macro 'ENUM_CHIP_TYPE_CASE'
>            case x: return(#x + 15);        /* Skip CVMX_CHIP_TYPE */
>                              ^
>    In file included from 
> arch/mips/cavium-octeon/crypto/octeon-sha1.c:23:
>    In file included from include/crypto/internal/hash.h:11:
>    In file included from include/crypto/algapi.h:13:
>    In file included from include/linux/skbuff.h:28:
>    In file included from include/net/checksum.h:22:
>>>  arch/mips/include/asm/checksum.h:195:9: error: unsupported inline 
>>> asm: input with type 'unsigned long' matching output with type 
>>> '__wsum' (aka 'unsigned int')
>            : "0" ((__force unsigned long)daddr),
>                   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    79 warnings and 1 error generated.
> ..
> 
> 
> vim +195 arch/mips/include/asm/checksum.h
> 
> ^1da177e4c3f41 include/asm-mips/checksum.h      Linus Torvalds  
> 2005-04-16  162
> 01cfbad79a5e2b arch/mips/include/asm/checksum.h Alexander Duyck 
> 2016-03-11  163  static inline __wsum csum_tcpudp_nofold(__be32 
> saddr, __be32 daddr,
> 01cfbad79a5e2b arch/mips/include/asm/checksum.h Alexander Duyck 
> 2016-03-11  164  					__u32 len, __u8 proto,
> 8e3d8433d8c22c include/asm-mips/checksum.h      Al Viro         
> 2006-11-14  165  					__wsum sum)
> ^1da177e4c3f41 include/asm-mips/checksum.h      Linus Torvalds  
> 2005-04-16  166  {
> ^1da177e4c3f41 include/asm-mips/checksum.h      Linus Torvalds  
> 2005-04-16  167  	__asm__(
> 04988d6fda5c1c include/asm-mips/checksum.h      Thiemo Seufer   
> 2005-07-08  168  	"	.set	push		# csum_tcpudp_nofold\n"
> 04988d6fda5c1c include/asm-mips/checksum.h      Thiemo Seufer   
> 2005-07-08  169  	"	.set	noat		\n"
> 875d43e72b5bf2 include/asm-mips/checksum.h      Ralf Baechle    
> 2005-09-03  170  #ifdef CONFIG_32BIT
> 04988d6fda5c1c include/asm-mips/checksum.h      Thiemo Seufer   
> 2005-07-08  171  	"	addu	%0, %2		\n"
> 04988d6fda5c1c include/asm-mips/checksum.h      Thiemo Seufer   
> 2005-07-08  172  	"	sltu	$1, %0, %2	\n"
> 04988d6fda5c1c include/asm-mips/checksum.h      Thiemo Seufer   
> 2005-07-08  173  	"	addu	%0, $1		\n"
> ^1da177e4c3f41 include/asm-mips/checksum.h      Linus Torvalds  
> 2005-04-16  174
> 04988d6fda5c1c include/asm-mips/checksum.h      Thiemo Seufer   
> 2005-07-08  175  	"	addu	%0, %3		\n"
> 04988d6fda5c1c include/asm-mips/checksum.h      Thiemo Seufer   
> 2005-07-08  176  	"	sltu	$1, %0, %3	\n"
> 04988d6fda5c1c include/asm-mips/checksum.h      Thiemo Seufer   
> 2005-07-08  177  	"	addu	%0, $1		\n"
> ^1da177e4c3f41 include/asm-mips/checksum.h      Linus Torvalds  
> 2005-04-16  178
> 04988d6fda5c1c include/asm-mips/checksum.h      Thiemo Seufer   
> 2005-07-08  179  	"	addu	%0, %4		\n"
> 04988d6fda5c1c include/asm-mips/checksum.h      Thiemo Seufer   
> 2005-07-08  180  	"	sltu	$1, %0, %4	\n"
> 04988d6fda5c1c include/asm-mips/checksum.h      Thiemo Seufer   
> 2005-07-08  181  	"	addu	%0, $1		\n"
> ^1da177e4c3f41 include/asm-mips/checksum.h      Linus Torvalds  
> 2005-04-16  182  #endif
> 875d43e72b5bf2 include/asm-mips/checksum.h      Ralf Baechle    
> 2005-09-03  183  #ifdef CONFIG_64BIT
> 04988d6fda5c1c include/asm-mips/checksum.h      Thiemo Seufer   
> 2005-07-08  184  	"	daddu	%0, %2		\n"
> 04988d6fda5c1c include/asm-mips/checksum.h      Thiemo Seufer   
> 2005-07-08  185  	"	daddu	%0, %3		\n"
> 04988d6fda5c1c include/asm-mips/checksum.h      Thiemo Seufer   
> 2005-07-08  186  	"	daddu	%0, %4		\n"
> 04988d6fda5c1c include/asm-mips/checksum.h      Thiemo Seufer   
> 2005-07-08  187  	"	dsll32	$1, %0, 0	\n"
> 04988d6fda5c1c include/asm-mips/checksum.h      Thiemo Seufer   
> 2005-07-08  188  	"	daddu	%0, $1		\n"
> 66fd848cadaa6b arch/mips/include/asm/checksum.h Ralf Baechle    
> 2017-01-26  189  	"	sltu	$1, %0, $1	\n"
> e97288386a316e include/asm-mips/checksum.h      Ralf Baechle    
> 2005-09-20  190  	"	dsra32	%0, %0, 0	\n"
> 66fd848cadaa6b arch/mips/include/asm/checksum.h Ralf Baechle    
> 2017-01-26  191  	"	addu	%0, $1		\n"
> ^1da177e4c3f41 include/asm-mips/checksum.h      Linus Torvalds  
> 2005-04-16  192  #endif
> 04988d6fda5c1c include/asm-mips/checksum.h      Thiemo Seufer   
> 2005-07-08  193  	"	.set	pop"
> ^1da177e4c3f41 include/asm-mips/checksum.h      Linus Torvalds  
> 2005-04-16  194  	: "=r" (sum)
> 66218da212bf14 include/asm-mips/checksum.h      Atsushi Nemoto  
> 2007-01-24 @195  	: "0" ((__force unsigned long)daddr),
> 66218da212bf14 include/asm-mips/checksum.h      Atsushi Nemoto  
> 2007-01-24  196  	  "r" ((__force unsigned long)saddr),
> ^1da177e4c3f41 include/asm-mips/checksum.h      Linus Torvalds  
> 2005-04-16  197  #ifdef __MIPSEL__
> 8e3d8433d8c22c include/asm-mips/checksum.h      Al Viro         
> 2006-11-14  198  	  "r" ((proto + len) << 8),
> ^1da177e4c3f41 include/asm-mips/checksum.h      Linus Torvalds  
> 2005-04-16  199  #else
> 8e3d8433d8c22c include/asm-mips/checksum.h      Al Viro         
> 2006-11-14  200  	  "r" (proto + len),
> ^1da177e4c3f41 include/asm-mips/checksum.h      Linus Torvalds  
> 2005-04-16  201  #endif
> 1d464c26b56252 include/asm-mips/checksum.h      Dave Johnson    
> 2007-04-18  202  	  "r" ((__force unsigned long)sum));
> ^1da177e4c3f41 include/asm-mips/checksum.h      Linus Torvalds  
> 2005-04-16  203
> ^1da177e4c3f41 include/asm-mips/checksum.h      Linus Torvalds  
> 2005-04-16  204  	return sum;
> ^1da177e4c3f41 include/asm-mips/checksum.h      Linus Torvalds  
> 2005-04-16  205  }
> b4b5015a1c1450 arch/mips/include/asm/checksum.h Ralf Baechle    
> 2014-12-17  206  #define csum_tcpudp_nofold csum_tcpudp_nofold
> ^1da177e4c3f41 include/asm-mips/checksum.h      Linus Torvalds  
> 2005-04-16  207
> 
> :::::: The code at line 195 was first introduced by commit
> :::::: 66218da212bf141532d678a699f5789c78145ab1 [MIPS] Fix wrong 
> checksum calculation on 64-bit MIPS
> 
> :::::: TO: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
> :::::: CC: Ralf Baechle <ralf@linux-mips.org>
> 
> --
> 0-DAY CI Kernel Test Service
> https://01.org/lkp


  reply	other threads:[~2022-05-19 17:50 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-19 17:23 arch/mips/include/asm/checksum.h:195:9: error: unsupported inline asm: input with type 'unsigned long' matching output with type '__wsum' (aka 'unsigned int') kernel test robot
2022-05-19 17:45 ` Paul Cercueil [this message]
2022-05-19 17:45   ` Paul Cercueil
2022-05-20  8:38   ` [kbuild-all] " Chen, Rong A
2022-05-20 11:08   ` Maciej W. Rozycki
2022-05-20 11:08     ` Maciej W. Rozycki
2022-05-20 15:52     ` Nathan Chancellor
2022-05-20 15:52       ` Nathan Chancellor
2022-05-22 20:48       ` Maciej W. Rozycki
2022-05-22 20:48         ` Maciej W. Rozycki

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