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SubjectRe: [PATCH net-next v4 17/20] crypto: port Poly1305 to Zinc
Hi Jason,

I love your patch! Yet something to improve:

[auto build test ERROR on net-next/master]

url: https://github.com/0day-ci/linux/commits/Jason-A-Donenfeld/WireGuard-Secure-Network-Tunnel/20180916-043623
config: arm64-defconfig
compiler: aarch64-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
GCC_VERSION=7.2.0 make.cross ARCH=arm64 defconfig
GCC_VERSION=7.2.0 make.cross ARCH=arm64

All errors (new ones prefixed by >>):

fs/sysfs/Kconfig:1:error: recursive dependency detected!
fs/sysfs/Kconfig:1: symbol SYSFS is selected by CONFIGFS_FS
fs/configfs/Kconfig:1: symbol CONFIGFS_FS is selected by ACPI_CONFIGFS
drivers/acpi/Kconfig:542: symbol ACPI_CONFIGFS depends on ACPI
>> drivers/acpi/Kconfig:9: symbol ACPI depends on ARCH_SUPPORTS_ACPI
>> drivers/acpi/Kconfig:6: symbol ARCH_SUPPORTS_ACPI is selected by EFI
>> arch/arm64/Kconfig:1253: symbol EFI depends on KERNEL_MODE_NEON
>> arch/arm64/Kconfig:262: symbol KERNEL_MODE_NEON is implied by ZINC_ARCH_ARM
>> lib/zinc/Kconfig:42: symbol ZINC_ARCH_ARM depends on ZINC
lib/zinc/Kconfig:1: symbol ZINC is selected by ZINC_POLY1305
lib/zinc/Kconfig:9: symbol ZINC_POLY1305 is selected by CRYPTO_POLY1305
crypto/Kconfig:656: symbol CRYPTO_POLY1305 depends on CRYPTO
crypto/Kconfig:16: symbol CRYPTO is selected by IP_SCTP
net/sctp/Kconfig:5: symbol IP_SCTP is selected by DLM
fs/dlm/Kconfig:1: symbol DLM depends on SYSFS
For a resolution refer to Documentation/kbuild/kconfig-language.txt
subsection "Kconfig recursive dependency limitations"

vim +9 drivers/acpi/Kconfig

^1da177e4 Linus Torvalds 2005-04-16 5
f5d707ede Arnd Bergmann 2018-08-21 @6 config ARCH_SUPPORTS_ACPI
f5d707ede Arnd Bergmann 2018-08-21 7 bool
f5d707ede Arnd Bergmann 2018-08-21 8
3f2c48c9b Jan Engelhardt 2007-07-03 @9 menuconfig ACPI
355ee5eb6 Frans Pop 2007-10-29 10 bool "ACPI (Advanced Configuration and Power Interface) Support"
2c870e611 Arnd Bergmann 2018-07-24 11 depends on ARCH_SUPPORTS_ACPI
1300124f6 Adrian Bunk 2006-03-28 12 depends on PCI
243b66e76 Len Brown 2007-02-15 13 select PNP
2c870e611 Arnd Bergmann 2018-07-24 14 default y if X86
1c48aa36e Bjorn Helgaas 2009-02-19 15 help
^1da177e4 Linus Torvalds 2005-04-16 16 Advanced Configuration and Power Interface (ACPI) support for
1c48aa36e Bjorn Helgaas 2009-02-19 17 Linux requires an ACPI-compliant platform (hardware/firmware),
^1da177e4 Linus Torvalds 2005-04-16 18 and assumes the presence of OS-directed configuration and power
^1da177e4 Linus Torvalds 2005-04-16 19 management (OSPM) software. This option will enlarge your
^1da177e4 Linus Torvalds 2005-04-16 20 kernel by about 70K.
^1da177e4 Linus Torvalds 2005-04-16 21
^1da177e4 Linus Torvalds 2005-04-16 22 Linux ACPI provides a robust functional replacement for several
^1da177e4 Linus Torvalds 2005-04-16 23 legacy configuration and power management interfaces, including
^1da177e4 Linus Torvalds 2005-04-16 24 the Plug-and-Play BIOS specification (PnP BIOS), the
^1da177e4 Linus Torvalds 2005-04-16 25 MultiProcessor Specification (MPS), and the Advanced Power
^1da177e4 Linus Torvalds 2005-04-16 26 Management (APM) specification. If both ACPI and APM support
1c48aa36e Bjorn Helgaas 2009-02-19 27 are configured, ACPI is used.
^1da177e4 Linus Torvalds 2005-04-16 28
1c48aa36e Bjorn Helgaas 2009-02-19 29 The project home page for the Linux ACPI subsystem is here:
aaf3d29fe Rafael J. Wysocki 2013-10-10 30 <https://01.org/linux-acpi>
^1da177e4 Linus Torvalds 2005-04-16 31
^1da177e4 Linus Torvalds 2005-04-16 32 Linux support for ACPI is based on Intel Corporation's ACPI
1c48aa36e Bjorn Helgaas 2009-02-19 33 Component Architecture (ACPI CA). For more information on the
1c48aa36e Bjorn Helgaas 2009-02-19 34 ACPI CA, see:
1c48aa36e Bjorn Helgaas 2009-02-19 35 <http://acpica.org/>
^1da177e4 Linus Torvalds 2005-04-16 36
c7f5220d0 Hanjun Guo 2014-04-08 37 ACPI is an open industry specification originally co-developed by
c7f5220d0 Hanjun Guo 2014-04-08 38 Hewlett-Packard, Intel, Microsoft, Phoenix, and Toshiba. Currently,
c7f5220d0 Hanjun Guo 2014-04-08 39 it is developed by the ACPI Specification Working Group (ASWG) under
c7f5220d0 Hanjun Guo 2014-04-08 40 the UEFI Forum and any UEFI member can join the ASWG and contribute
c7f5220d0 Hanjun Guo 2014-04-08 41 to the ACPI specification.
1c48aa36e Bjorn Helgaas 2009-02-19 42 The specification is available at:
^1da177e4 Linus Torvalds 2005-04-16 43 <http://www.acpi.info>
c7f5220d0 Hanjun Guo 2014-04-08 44 <http://www.uefi.org/acpi/specs>
^1da177e4 Linus Torvalds 2005-04-16 45

:::::: The code at line 9 was first introduced by commit
:::::: 3f2c48c9b48423d1411695da066d525cca2a27db ACPI: Use menuconfig objects

:::::: TO: Jan Engelhardt <jengelh@linux01.gwdg.de>
:::::: CC: Len Brown <len.brown@intel.com>

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

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