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

[Greg Kroah-Hartman <gregkh@linuxfoundation.org>]

On Tue, Apr 23, 2024 at 05:53:18PM +0100, Shreeya Patel wrote:
> On Tuesday, April 23, 2024 21:52 IST, Greg Kroah-Hartman <gregkh@linuxfoundation.org> 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@linaro.org>
> > > 
> > > 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]

Again, very odd, I do not see that anywhere in the patch queue.  I've
updated the -rc git tree, perhaps an old version was in there somehow...

thanks,

greg k-h