Re: [PATCH v4 2/2] pid: Remove pidhash

From: kbuild test robot
Date: Wed Oct 11 2017 - 05:48:06 EST

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@xxxxxxxxx>
:::::: CC: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>

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