linux-kernel - Re: [PATCH v4 2/2] pid: Remove pidhash

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Message-ID: <201710111737.ZHqmaPa5%fengguang.wu@intel.com>
Date:   Wed, 11 Oct 2017 17:47:17 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Gargi Sharma <gs051095@...il.com>
Cc:     kbuild-all@...org, linux-kernel@...r.kernel.org, riel@...riel.com,
        julia.lawall@...6.fr, akpm@...ux-foundation.org, mingo@...nel.org,
        pasha.tatashin@...cle.com, ktkhai@...tuozzo.com, oleg@...hat.com,
        ebiederm@...ssion.com, hch@...radead.org,
        Gargi Sharma <gs051095@...il.com>
Subject: Re: [PATCH v4 2/2] pid: Remove pidhash

Hi Gargi,

[auto build test ERROR on linus/master]
[also build test ERROR on v4.14-rc4]
[cannot apply to next-20171009]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Gargi-Sharma/pid-Replace-pid-bitmap-implementation-with-IDR-API/20171011-165615
config: ia64-allyesconfig (attached as .config)
compiler: ia64-linux-gcc (GCC) 6.2.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=ia64 

All error/warnings (new ones prefixed by >>):

   warning: (INTEL_SOC_PMIC && INTEL_SOC_PMIC_CHTWC && MFD_TPS68470) selects I2C_DESIGNWARE_PLATFORM which has unmet direct dependencies (I2C && HAS_IOMEM && (ACPI && COMMON_CLK || !ACPI))
   warning: (DW_APB_TIMER_OF && ROCKCHIP_TIMER && ARMADA_370_XP_TIMER && ORION_TIMER && CLKSRC_TI_32K && CLKSRC_NPS && CLKSRC_MPS2 && ARM_ARCH_TIMER && ARM_GLOBAL_TIMER && ARM_TIMER_SP804 && ARMV7M_SYSTICK && ATMEL_PIT && CLKSRC_QCOM && CLKSRC_VERSATILE && CLKSRC_MIPS_GIC && CLKSRC_TANGO_XTAL && CLKSRC_ST_LPC) selects TIMER_OF which has unmet direct dependencies (!ARCH_USES_GETTIMEOFFSET && GENERIC_CLOCKEVENTS)
   warning: (FAULT_INJECTION_STACKTRACE_FILTER && LATENCYTOP && KMEMCHECK && LOCKDEP) selects FRAME_POINTER which has unmet direct dependencies (DEBUG_KERNEL && (CRIS || M68K || FRV || UML || SUPERH || BLACKFIN || MN10300 || METAG) || ARCH_WANT_FRAME_POINTERS)
   warning: (INTEL_SOC_PMIC && INTEL_SOC_PMIC_CHTWC && MFD_TPS68470) selects I2C_DESIGNWARE_PLATFORM which has unmet direct dependencies (I2C && HAS_IOMEM && (ACPI && COMMON_CLK || !ACPI))
   warning: (DW_APB_TIMER_OF && ROCKCHIP_TIMER && ARMADA_370_XP_TIMER && ORION_TIMER && CLKSRC_TI_32K && CLKSRC_NPS && CLKSRC_MPS2 && ARM_ARCH_TIMER && ARM_GLOBAL_TIMER && ARM_TIMER_SP804 && ARMV7M_SYSTICK && ATMEL_PIT && CLKSRC_QCOM && CLKSRC_VERSATILE && CLKSRC_MIPS_GIC && CLKSRC_TANGO_XTAL && CLKSRC_ST_LPC) selects TIMER_OF which has unmet direct dependencies (!ARCH_USES_GETTIMEOFFSET && GENERIC_CLOCKEVENTS)
   warning: (FAULT_INJECTION_STACKTRACE_FILTER && LATENCYTOP && KMEMCHECK && LOCKDEP) selects FRAME_POINTER which has unmet direct dependencies (DEBUG_KERNEL && (CRIS || M68K || FRV || UML || SUPERH || BLACKFIN || MN10300 || METAG) || ARCH_WANT_FRAME_POINTERS)
   In file included from include/uapi/linux/stddef.h:1:0,
                    from include/linux/stddef.h:4,
                    from include/uapi/linux/posix_types.h:4,
                    from include/uapi/linux/types.h:13,
                    from include/linux/types.h:5,
                    from include/linux/list.h:4,
                    from include/linux/rculist.h:9,
                    from include/linux/sched/signal.h:4,
                    from arch/ia64/kernel/asm-offsets.c:9:
   arch/ia64/kernel/asm-offsets.c: In function 'foo':
>> include/linux/compiler.h:576:38: error: call to '__compiletime_assert_33' declared with attribute error: BUILD_BUG_ON failed: sizeof(struct upid) != 32
     _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
                                         ^
   include/linux/compiler.h:556:4: note: in definition of macro '__compiletime_assert'
       prefix ## suffix();    \
       ^~~~~~
   include/linux/compiler.h:576:2: note: in expansion of macro '_compiletime_assert'
     _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
     ^~~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:46:37: note: in expansion of macro 'compiletime_assert'
    #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
                                        ^~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:70:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
     BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
     ^~~~~~~~~~~~~~~~
>> arch/ia64/kernel/asm-offsets.c:33:2: note: in expansion of macro 'BUILD_BUG_ON'
     BUILD_BUG_ON(sizeof(struct upid) != 32);
     ^~~~~~~~~~~~
   make[2]: *** [arch/ia64/kernel/asm-offsets.s] Error 1
   make[2]: Target '__build' not remade because of errors.
   make[1]: *** [prepare0] Error 2
   make[1]: Target 'prepare' not remade because of errors.
   make: *** [sub-make] Error 2

vim +/__compiletime_assert_33 +576 include/linux/compiler.h

9a8ab1c3 Daniel Santos 2013-02-21  562  
9a8ab1c3 Daniel Santos 2013-02-21  563  #define _compiletime_assert(condition, msg, prefix, suffix) \
9a8ab1c3 Daniel Santos 2013-02-21  564  	__compiletime_assert(condition, msg, prefix, suffix)
9a8ab1c3 Daniel Santos 2013-02-21  565  
9a8ab1c3 Daniel Santos 2013-02-21  566  /**
9a8ab1c3 Daniel Santos 2013-02-21  567   * compiletime_assert - break build and emit msg if condition is false
9a8ab1c3 Daniel Santos 2013-02-21  568   * @condition: a compile-time constant condition to check
9a8ab1c3 Daniel Santos 2013-02-21  569   * @msg:       a message to emit if condition is false
9a8ab1c3 Daniel Santos 2013-02-21  570   *
9a8ab1c3 Daniel Santos 2013-02-21  571   * In tradition of POSIX assert, this macro will break the build if the
9a8ab1c3 Daniel Santos 2013-02-21  572   * supplied condition is *false*, emitting the supplied error message if the
9a8ab1c3 Daniel Santos 2013-02-21  573   * compiler has support to do so.
9a8ab1c3 Daniel Santos 2013-02-21  574   */
9a8ab1c3 Daniel Santos 2013-02-21  575  #define compiletime_assert(condition, msg) \
9a8ab1c3 Daniel Santos 2013-02-21 @576  	_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
9a8ab1c3 Daniel Santos 2013-02-21  577  

:::::: The code at line 576 was first introduced by commit
:::::: 9a8ab1c39970a4938a72d94e6fd13be88a797590 bug.h, compiler.h: introduce compiletime_assert & BUILD_BUG_ON_MSG

:::::: TO: Daniel Santos <daniel.santos@...ox.com>
:::::: CC: Linus Torvalds <torvalds@...ux-foundation.org>

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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