linux-kernel - arch/arm64/include/asm/atomic_ll_sc.h:298:9: error: unknown type name 'u128'

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Date: Fri, 23 Feb 2024 14:40:17 +0530
From: Naresh Kamboju <naresh.kamboju@...aro.org>
To: open list <linux-kernel@...r.kernel.org>, lkft-triage@...ts.linaro.org, 
	Linux ARM <linux-arm-kernel@...ts.infradead.org>
Cc: Arnd Bergmann <arnd@...db.de>, Ard Biesheuvel <ardb@...nel.org>, 
	Catalin Marinas <catalin.marinas@....com>, Kees Cook <keescook@...omium.org>
Subject: arch/arm64/include/asm/atomic_ll_sc.h:298:9: error: unknown type name 'u128'

The arm64 defconfig builds failed on today's Linux next tag  next-20240223.

arm64:
    defconfig: gcc-13 - Failed
    defconfig: clang-17 - Failed

Build log:
------
2024/02/23 08:03:02 socat-internal[923] W waitpid(-1, {}, WNOHANG): no
child has exited
2024/02/23 08:03:02 socat-internal[923] W waitpid(-1, {}, WNOHANG): no
child has exited
2024/02/23 08:03:02 socat-external[919] W waitpid(-1, {}, WNOHANG): no
child has exited
arch/arm64/boot/dts/freescale/mba8xx.dtsi:233.20-249.4: Warning
(interrupt_provider): /bus@...00000/i2c@...10000/gpio@70: Missing
'#interrupt-cells' in interrupt provider
arch/arm64/boot/dts/freescale/imx8dxp-tqma8xdp-mba8xx.dtb: Warning
(interrupt_map): Failed prerequisite 'interrupt_provider'
2024/02/23 08:03:04 socat-internal[923] W waitpid(-1, {}, WNOHANG): no
child has exited
2024/02/23 08:03:06 socat-external[919] W waitpid(-1, {}, WNOHANG): no
child has exited
In file included from arch/arm64/include/asm/lse.h:5,
                 from arch/arm64/include/asm/cmpxchg.h:14,
                 from arch/arm64/include/asm/atomic.h:16,
                 from include/linux/atomic.h:7,
                 from include/asm-generic/bitops/atomic.h:5,
                 from arch/arm64/include/asm/bitops.h:25,
                 from include/linux/bitops.h:68,
                 from arch/arm64/include/asm/memory.h:209,
                 from arch/arm64/include/asm/page.h:46,
                 from include/vdso/datapage.h:22,
                 from lib/vdso/gettimeofday.c:5,
                 from <command-line>:
arch/arm64/include/asm/atomic_ll_sc.h:298:9: error: unknown type name 'u128'
  298 |         u128 full;
      |         ^~~~
arch/arm64/include/asm/atomic_ll_sc.h:305:24: error: unknown type name 'u128'
  305 | static __always_inline u128
         \
      |

Reported-by: Linux Kernel Functional Testing <lkft@...aro.org>

Steps to reproduce:
 $ tuxmake --runtime podman --target-arch arm64 --toolchain gcc-13
--kconfig defconfig

Links:
 - https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20240223/testrun/22811036/suite/build/test/gcc-13-defconfig/details/
 - https://storage.tuxsuite.com/public/linaro/lkft/builds/2cl8paYnjzOljEurAWeMOWjikoy/


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