Re: stable-rc: 5.10: arm: u64_stats_sync.h:136:2: error: implicit declaration of function 'preempt_disable_nested'

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On Tuesday, April 23, 2024 21:52 IST, Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> wrote:

> On Tue, Apr 23, 2024 at 01:35:28PM +0530, Naresh Kamboju wrote:
> > The arm and i386 builds failed with clang-17 and gcc-12 on stable-rc
> > linux.5.10.y
> > branch with linked config [1].
> > 
> > Reported-by: Linux Kernel Functional Testing <lkft@xxxxxxxxxx>
> > 
> > In file included from init/do_mounts.c:7:
> > In file included from include/linux/suspend.h:5:
> > In file included from include/linux/swap.h:9:
> > In file included from include/linux/memcontrol.h:13:
> > In file included from include/linux/cgroup.h:28:
> > In file included from include/linux/cgroup-defs.h:20:
> > include/linux/u64_stats_sync.h:136:2: error: implicit declaration of
> > function 'preempt_disable_nested'
> > [-Werror,-Wimplicit-function-declaration]
> >   136 |         preempt_disable_nested();
> >       |         ^
> 
> That function is not in the queue at all, are you sure you are up to
> date?
> 

Hi Greg,

Just to add, KernelCI has also reported these failures on stable-rc 5.10 kernel recently.
Following are the details for it :-

32r2el_defconfig ‐ mips ‐ gcc-101 warning — 2 errors
allnoconfig ‐ i386 ‐ gcc-101 warning — 2 errors
haps_hs_smp_defconfig ‐ arc ‐ gcc-107 warnings — 14 errors
i386_defconfig ‐ i386 ‐ gcc-101 warning — 2 errors
imx_v6_v7_defconfig ‐ arm ‐ gcc-107 warnings — 14 errors
multi_v5_defconfig ‐ arm ‐ gcc-108 warnings — 16 errors
multi_v7_defconfig ‐ arm ‐ gcc-107 warnings — 14 errors
omap2plus_defconfig ‐ arm ‐ gcc-108 warnings — 16 errors
rv32_defconfig ‐ riscv ‐ gcc-1010 warnings — 16 errors
tinyconfig ‐ i386 ‐ gcc-101 warning — 2 errors
vexpress_defconfig ‐ arm ‐ gcc-109 warnings — 18 errors

Build Logs Summary
Errors Summary
include/linux/u64_stats_sync.h:143:2: error: implicit declaration of function ‘preempt_enable_nested’; did you mean ‘preempt_enable_no_resched’? [-Werror=implicit-function-declaration]
include/linux/u64_stats_sync.h:136:2: error: implicit declaration of function ‘preempt_disable_nested’; did you mean ‘preempt_disable_notrace’? [-Werror=implicit-function-declaration]
include/linux/u64_stats_sync.h:143:2: error: implicit declaration of function 'preempt_enable_nested'; did you mean 'preempt_enable_no_resched'? [-Werror=implicit-function-declaration]
include/linux/u64_stats_sync.h:136:2: error: implicit declaration of function 'preempt_disable_nested'; did you mean 'preempt_disable_notrace'? [-Werror=implicit-function-declaration]

Warnings Summary
cc1: some warnings being treated as errors
<stdin>:830:2: warning: #warning syscall fstat64 not implemented [-Wcpp]
<stdin>:1127:2: warning: #warning syscall fstatat64 not implemented [-Wcpp]

Detailed information can be found on the KernelCI dashboard :- https://linux.kernelci.org/build/stable-rc/branch/linux-5.10.y/kernel/v5.10.215-32-gd3c603576d90b/

Thanks,
Shreeya Patel

> thanks,
> 
> greg k-h
>






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