Re: [PATCH v2] kbuild: re-implement detection of CONFIG options leaked to user-space

From: kbuild test robot
Date: Sat Aug 10 2019 - 23:28:52 EST

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In reply to: kbuild test robot: "Re: [PATCH v2] kbuild: re-implement detection of CONFIG options leaked to user-space"
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Hi Masahiro,

I love your patch! Perhaps something to improve:

[auto build test WARNING on linus/master]
[cannot apply to v5.3-rc3 next-20190809]
[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/Masahiro-Yamada/kbuild-re-implement-detection-of-CONFIG-options-leaked-to-user-space/20190811-085800
config: arc-allyesconfig (attached as .config)
compiler: arc-elf-gcc (GCC) 7.4.0
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
GCC_VERSION=7.4.0 make.cross ARCH=arc

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@xxxxxxxxx>

All warnings (new ones prefixed by >>):

warning: include/uapi/asm-generic/fcntl.h: leak CONFIG_64BIT to user-space
warning: include/uapi/linux/raw.h: leak CONFIG_MAX_RAW_DEVS to user-space
warning: include/uapi/linux/pktcdvd.h: leak CONFIG_CDROM_PKTCDVD_WCACHE to user-space
warning: include/uapi/linux/hw_breakpoint.h: leak CONFIG_HAVE_MIXED_BREAKPOINTS_REGS to user-space
warning: include/uapi/linux/eventpoll.h: leak CONFIG_PM_SLEEP to user-space
warning: include/uapi/linux/elfcore.h: leak CONFIG_BINFMT_ELF_FDPIC to user-space
warning: include/uapi/linux/atmdev.h: leak CONFIG_COMPAT to user-space
>> warning: arch/arc/include/uapi/asm/swab.h: leak CONFIG_ARC_HAS_SWAPE to user-space
>> warning: arch/arc/include/uapi/asm/page.h: leak CONFIG_ARC_PAGE_SIZE_16K to user-space
>> warning: arch/arc/include/uapi/asm/page.h: leak CONFIG_ARC_PAGE_SIZE_4K to user-space
In file included from arch/arc/include/asm/atomic.h:13:0,
from include/linux/atomic.h:7,
from include/asm-generic/bitops/lock.h:5,
from arch/arc/include/asm/bitops.h:426,
from include/linux/bitops.h:19,
from include/linux/kernel.h:12,
from include/asm-generic/bug.h:18,
from arch/arc/include/asm/bug.h:29,
from include/linux/bug.h:5,
from include/linux/page-flags.h:10,
from kernel/bounds.c:10:
arch/arc/include/asm/cmpxchg.h: In function '__xchg':
arch/arc/include/asm/cmpxchg.h:191:19: error: 'CTOP_INST_XEX_DI_R2_R2_R3' undeclared (first use in this function)
: "r"(ptr), "i"(CTOP_INST_XEX_DI_R2_R2_R3)
^~~~~~~~~~~~~~~~~~~~~~~~~
arch/arc/include/asm/cmpxchg.h:191:19: note: each undeclared identifier is reported only once for each function it appears in
In file included from include/linux/atomic.h:7:0,
from include/asm-generic/bitops/lock.h:5,
from arch/arc/include/asm/bitops.h:426,
from include/linux/bitops.h:19,
from include/linux/kernel.h:12,
from include/asm-generic/bug.h:18,
from arch/arc/include/asm/bug.h:29,
from include/linux/bug.h:5,
from include/linux/page-flags.h:10,
from kernel/bounds.c:10:
arch/arc/include/asm/atomic.h: In function 'atomic_add':
arch/arc/include/asm/atomic.h:286:21: error: 'CTOP_INST_AADD_DI_R2_R2_R3' undeclared (first use in this function)
ATOMIC_OPS(add, +=, CTOP_INST_AADD_DI_R2_R2_R3)
^
arch/arc/include/asm/atomic.h:231:34: note: in definition of macro 'ATOMIC_OP'
: "r"(i), "r"(&v->counter), "i"(asm_op) \
^~~~~~
arch/arc/include/asm/atomic.h:286:1: note: in expansion of macro 'ATOMIC_OPS'
ATOMIC_OPS(add, +=, CTOP_INST_AADD_DI_R2_R2_R3)
^~~~~~~~~~
arch/arc/include/asm/atomic.h: In function 'atomic_add_return':
arch/arc/include/asm/atomic.h:286:21: error: 'CTOP_INST_AADD_DI_R2_R2_R3' undeclared (first use in this function)
ATOMIC_OPS(add, +=, CTOP_INST_AADD_DI_R2_R2_R3)
^
arch/arc/include/asm/atomic.h:249:26: note: in definition of macro 'ATOMIC_OP_RETURN'
: "r"(&v->counter), "i"(asm_op) \
^~~~~~
arch/arc/include/asm/atomic.h:286:1: note: in expansion of macro 'ATOMIC_OPS'
ATOMIC_OPS(add, +=, CTOP_INST_AADD_DI_R2_R2_R3)
^~~~~~~~~~
arch/arc/include/asm/atomic.h: In function 'atomic_fetch_add':
arch/arc/include/asm/atomic.h:286:21: error: 'CTOP_INST_AADD_DI_R2_R2_R3' undeclared (first use in this function)
ATOMIC_OPS(add, +=, CTOP_INST_AADD_DI_R2_R2_R3)
^
arch/arc/include/asm/atomic.h:273:26: note: in definition of macro 'ATOMIC_FETCH_OP'
: "r"(&v->counter), "i"(asm_op) \
^~~~~~
arch/arc/include/asm/atomic.h:286:1: note: in expansion of macro 'ATOMIC_OPS'
ATOMIC_OPS(add, +=, CTOP_INST_AADD_DI_R2_R2_R3)
^~~~~~~~~~
arch/arc/include/asm/atomic.h: In function 'atomic_and':
arch/arc/include/asm/atomic.h:296:21: error: 'CTOP_INST_AAND_DI_R2_R2_R3' undeclared (first use in this function)
ATOMIC_OPS(and, &=, CTOP_INST_AAND_DI_R2_R2_R3)
^
arch/arc/include/asm/atomic.h:231:34: note: in definition of macro 'ATOMIC_OP'
: "r"(i), "r"(&v->counter), "i"(asm_op) \
^~~~~~
arch/arc/include/asm/atomic.h:296:1: note: in expansion of macro 'ATOMIC_OPS'
ATOMIC_OPS(and, &=, CTOP_INST_AAND_DI_R2_R2_R3)
^~~~~~~~~~
arch/arc/include/asm/atomic.h: In function 'atomic_fetch_and':
arch/arc/include/asm/atomic.h:296:21: error: 'CTOP_INST_AAND_DI_R2_R2_R3' undeclared (first use in this function)
ATOMIC_OPS(and, &=, CTOP_INST_AAND_DI_R2_R2_R3)
^
arch/arc/include/asm/atomic.h:273:26: note: in definition of macro 'ATOMIC_FETCH_OP'
: "r"(&v->counter), "i"(asm_op) \
^~~~~~
arch/arc/include/asm/atomic.h:296:1: note: in expansion of macro 'ATOMIC_OPS'
ATOMIC_OPS(and, &=, CTOP_INST_AAND_DI_R2_R2_R3)
^~~~~~~~~~
arch/arc/include/asm/atomic.h: In function 'atomic_or':
arch/arc/include/asm/atomic.h:297:20: error: 'CTOP_INST_AOR_DI_R2_R2_R3' undeclared (first use in this function)
ATOMIC_OPS(or, |=, CTOP_INST_AOR_DI_R2_R2_R3)
^
arch/arc/include/asm/atomic.h:231:34: note: in definition of macro 'ATOMIC_OP'
: "r"(i), "r"(&v->counter), "i"(asm_op) \
^~~~~~
arch/arc/include/asm/atomic.h:297:1: note: in expansion of macro 'ATOMIC_OPS'
ATOMIC_OPS(or, |=, CTOP_INST_AOR_DI_R2_R2_R3)
^~~~~~~~~~
arch/arc/include/asm/atomic.h: In function 'atomic_fetch_or':
arch/arc/include/asm/atomic.h:297:20: error: 'CTOP_INST_AOR_DI_R2_R2_R3' undeclared (first use in this function)
ATOMIC_OPS(or, |=, CTOP_INST_AOR_DI_R2_R2_R3)
^
arch/arc/include/asm/atomic.h:273:26: note: in definition of macro 'ATOMIC_FETCH_OP'
: "r"(&v->counter), "i"(asm_op) \
^~~~~~
arch/arc/include/asm/atomic.h:297:1: note: in expansion of macro 'ATOMIC_OPS'
ATOMIC_OPS(or, |=, CTOP_INST_AOR_DI_R2_R2_R3)
^~~~~~~~~~
arch/arc/include/asm/atomic.h: In function 'atomic_xor':
arch/arc/include/asm/atomic.h:298:21: error: 'CTOP_INST_AXOR_DI_R2_R2_R3' undeclared (first use in this function)
ATOMIC_OPS(xor, ^=, CTOP_INST_AXOR_DI_R2_R2_R3)
^

---
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Next message: Jens Axboe: "Re: [PATCH] lightnvm: remove unused variable 'geo'"
Previous message: Andrew Cooks: "Re: [PATCH v5 0/3] Enable ACPI-defined peripherals on i2c-piix4 SMBus"
In reply to: kbuild test robot: "Re: [PATCH v2] kbuild: re-implement detection of CONFIG options leaked to user-space"
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