fs/binfmt_elf.c:1378:56: error: unknown type name 'compat_siginfo_t'

Hi Denys,

FYI, kernel build failed on

tree:   git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git akpm
commit: 50abbe878f885ac855d56b30f0bf08fd208dc87d [339/377] coredump: add a new elf note with siginfo of the signal
config: tile-tilegx_defconfig

All related error/warning messages:

In file included from fs/compat_binfmt_elf.c:22:0:
arch/tile/include/asm/sigframe.h:28:18: error: field 'uc' has incomplete type
In file included from fs/compat_binfmt_elf.c:140:0:
fs/binfmt_elf.c:1378:56: error: unknown type name 'compat_siginfo_t'
fs/binfmt_elf.c:1703:2: error: unknown type name 'compat_siginfo_t'
fs/binfmt_elf.c: In function 'fill_note_info':
fs/binfmt_elf.c:1786:2: error: implicit declaration of function 'fill_siginfo_note' [-Werror=implicit-function-declaration]
cc1: some warnings being treated as errors

arch/tile/include/asm/sigframe.h:28:18: error: field 'uc' has incomplete type

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0-DAY kernel build testing backend Open Source Technology Centre
Fengguang Wu, Yuanhan Liu Intel Corporation

Yes, I know... some additional work will be needed to unify exposition of compat_siginfo_t across eight architectures :( I'm working on it right now.

vda