Linux-next-20200302: arm64 build failed

Naresh Kamboju
2020-03-02T08:28:41Z

Linux-Next 20200302 arm64 build failed due to below errors,
Suspecting patch causing this build break.

87d900aef3e2 arm/arm64: add support for folded p4d page tables

Error log,
-------------
arch/arm64/mm/mmu.c: In function 'unmap_hotplug_pud_range':
include/linux/compiler.h:284:1: error: incompatible type for argument
1 of 'p4d_page_paddr'
({ \
^
arch/arm64/include/asm/memory.h:270:45: note: in definition of macro
'__phys_to_virt'
#define __phys_to_virt(x) ((unsigned long)((x) - physvirt_offset))
^
arch/arm64/include/asm/pgtable.h:629:42: note: in expansion of macro '__va'
#define pud_offset(dir, addr) ((pud_t *)__va(pud_offset_phys((dir), (addr))))
^~~~
include/linux/compiler.h:293:22: note: in expansion of macro '__READ_ONCE'
#define READ_ONCE(x) __READ_ONCE(x, 1)
^~~~~~~~~~~
arch/arm64/include/asm/pgtable.h:628:52: note: in expansion of macro 'READ_ONCE'
#define pud_offset_phys(dir, addr) (p4d_page_paddr(READ_ONCE(*(dir)))
+ pud_index(addr) * sizeof(pud_t))
^~~~~~~~~
arch/arm64/include/asm/pgtable.h:629:47: note: in expansion of macro
'pud_offset_phys'
#define pud_offset(dir, addr) ((pud_t *)__va(pud_offset_phys((dir), (addr))))
^~~~~~~~~~~~~~~
arch/arm64/mm/mmu.c:827:10: note: in expansion of macro 'pud_offset'
pudp = pud_offset(pgdp, addr);
^~~~~~~~~~

ref:
https://ci.linaro.org/view/lkft/job/openembedded-lkft-linux-next/DISTRO=lkft,MACHINE=juno,label=docker-lkft/716/consoleText

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Linaro LKFT