next: arm64: build/gcc-12-lkftconfig-64k_page_size - error: call to '__compiletime_assert_494' declared with attribute error: BUILD_BUG_ON failed: (((16 - 3) * (4 - (2)) + 3)-16) > 10

[Naresh Kamboju]

Following arm64 builds failed on Linux next-20230517.

 - build/gcc-12-lkftconfig-64k_page_size
 - build/gcc-11-lkftconfig-64k_page_size

Reported-by: Linux Kernel Functional Testing <lkft at linaro.org>

Build log:
======
include/asm-generic/div64.h:46:27: warning: conversion from 'long
unsigned int' to 'uint32_t' {aka 'unsigned int'} changes value from
'4398046511104' to '0' [-Woverflow]
   46 |         uint32_t __base = (base);                               \
      |                           ^
include/linux/math.h:40:44: note: in expansion of macro 'do_div'
   40 |         ({ unsigned long long _tmp = (ll); do_div(_tmp, d); _tmp; })
      |                                            ^~~~~~
include/linux/math.h:43:9: note: in expansion of macro 'DIV_ROUND_DOWN_ULL'
   43 |         DIV_ROUND_DOWN_ULL((unsigned long long)(ll) + (d) - 1, (d))
      |         ^~~~~~~~~~~~~~~~~~
arch/arm64/kvm/mmu.c:95:22: note: in expansion of macro 'DIV_ROUND_UP_ULL'
   95 |                 n += DIV_ROUND_UP_ULL(range, PUD_SIZE);
      |                      ^~~~~~~~~~~~~~~~
In file included from <command-line>:
mm/huge_memory.c: In function 'hugepage_init':
include/linux/compiler_types.h:397:45: error: call to
'__compiletime_assert_494' declared with attribute error: BUILD_BUG_ON
failed: (((16 - 3) * (4 - (2)) + 3)-16) > 10
  397 |         _compiletime_assert(condition, msg,
__compiletime_assert_, __COUNTER__)
      |                                             ^
include/linux/compiler_types.h:378:25: note: in definition of macro
'__compiletime_assert'
  378 |                         prefix ## suffix();
         \
      |                         ^~~~~~
include/linux/compiler_types.h:397:9: note: in expansion of macro
'_compiletime_assert'
  397 |         _compiletime_assert(condition, msg,
__compiletime_assert_, __COUNTER__)
      |         ^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:39:37: note: in expansion of macro
'compiletime_assert'
   39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
      |                                     ^~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:50:9: note: in expansion of macro 'BUILD_BUG_ON_MSG'
   50 |         BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
      |         ^~~~~~~~~~~~~~~~
include/linux/bug.h:24:25: note: in expansion of macro 'BUILD_BUG_ON'
   24 |                         BUILD_BUG_ON(cond);             \
      |                         ^~~~~~~~~~~~
mm/huge_memory.c:470:9: note: in expansion of macro 'MAYBE_BUILD_BUG_ON'
  470 |         MAYBE_BUILD_BUG_ON(HPAGE_PMD_ORDER > MAX_ORDER);
      |         ^~~~~~~~~~~~~~~~~~
make[3]: *** [scripts/Makefile.build:252: mm/huge_memory.o] Error 1


logs:
=====
 - https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20230517/testrun/17031010/suite/build/test/gcc-12-lkftconfig-64k_page_size/log
 - https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20230517/testrun/17031010/suite/build/test/gcc-12-lkftconfig-64k_page_size/history/
 - https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20230517/testrun/17031010/suite/build/test/gcc-12-lkftconfig-64k_page_size/details/


Steps to reproduce:
====
# To install tuxmake on your system globally:
# sudo pip3 install -U tuxmake
#
# See https://docs.tuxmake.org/ for complete documentation.
# Original tuxmake command with fragments listed below.
# tuxmake   \
 --runtime podman   \
 --target-arch arm64   \
 --toolchain gcc-12   \
 --kconfig defconfig   \
 --kconfig-add https://raw.githubusercontent.com/Linaro/meta-lkft/kirkstone/meta/recipes-kernel/linux/files/lkft.config
  \
 --kconfig-add https://raw.githubusercontent.com/Linaro/meta-lkft/kirkstone/meta/recipes-kernel/linux/files/lkft-crypto.config
  \
 --kconfig-add https://raw.githubusercontent.com/Linaro/meta-lkft/kirkstone/meta/recipes-kernel/linux/files/distro-overrides.config
  \
 --kconfig-add https://raw.githubusercontent.com/Linaro/meta-lkft/kirkstone/meta/recipes-kernel/linux/files/systemd.config
  \
 --kconfig-add https://raw.githubusercontent.com/Linaro/meta-lkft/kirkstone/meta/recipes-kernel/linux/files/virtio.config
  \
 --kconfig-add CONFIG_ARM64_MODULE_PLTS=y   \
 --kconfig-add CONFIG_SYN_COOKIES=y   \
 --kconfig-add CONFIG_SCHEDSTATS=y   \
 --kconfig-add CONFIG_ARM64_64K_PAGES=y

OR

tuxmake   \
 --runtime podman   \
 --target-arch arm64   \
 --toolchain gcc-12   \
 --kconfig https://storage.tuxsuite.com/public/linaro/lkft/builds/2PtylMMZpP2yGvgCnhE5SZngOYJ/config


--
Linaro LKFT
https://lkft.linaro.org