Re: [PATCH 5.15 000/102] 5.15.136-rc1 review

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On Tue, Oct 17, 2023 at 03:57:06PM +0200, Greg Kroah-Hartman wrote:
> Sure!  Here's the output, good luck!
> 
> $ make -C tools/perf
> make: Entering directory '/home/gregkh/linux/stable/linux-5.15.y/tools/perf'
>   BUILD:   Doing 'make -j20' parallel build
> Warning: Kernel ABI header at 'tools/include/uapi/linux/const.h' differs from latest version at 'include/uapi/linux/const.h'
> diff -u tools/include/uapi/linux/const.h include/uapi/linux/const.h
> Warning: Kernel ABI header at 'tools/include/uapi/linux/in.h' differs from latest version at 'include/uapi/linux/in.h'
> diff -u tools/include/uapi/linux/in.h include/uapi/linux/in.h
> Warning: Kernel ABI header at 'tools/arch/x86/include/asm/disabled-features.h' differs from latest version at 'arch/x86/include/asm/disabled-features.h'
> diff -u tools/arch/x86/include/asm/disabled-features.h arch/x86/include/asm/disabled-features.h
> Warning: Kernel ABI header at 'tools/arch/x86/include/asm/required-features.h' differs from latest version at 'arch/x86/include/asm/required-features.h'
> diff -u tools/arch/x86/include/asm/required-features.h arch/x86/include/asm/required-features.h
> Warning: Kernel ABI header at 'tools/arch/x86/include/asm/cpufeatures.h' differs from latest version at 'arch/x86/include/asm/cpufeatures.h'
> diff -u tools/arch/x86/include/asm/cpufeatures.h arch/x86/include/asm/cpufeatures.h
> Warning: Kernel ABI header at 'tools/arch/x86/include/asm/msr-index.h' differs from latest version at 'arch/x86/include/asm/msr-index.h'
> diff -u tools/arch/x86/include/asm/msr-index.h arch/x86/include/asm/msr-index.h
> Warning: Kernel ABI header at 'tools/arch/arm64/include/uapi/asm/kvm.h' differs from latest version at 'arch/arm64/include/uapi/asm/kvm.h'
> diff -u tools/arch/arm64/include/uapi/asm/kvm.h arch/arm64/include/uapi/asm/kvm.h
> Makefile.config:1036: No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev
> Makefile.config:1062: No alternatives command found, you need to set JDIR= to point to the root of your Java directory
> tests/bpf.c: In function ‘epoll_pwait_loop’:
> tests/bpf.c:36:17: error: argument 2 null where non-null expected [-Werror=nonnull]
>    36 |                 epoll_pwait(-(i + 1), NULL, 0, 0, NULL);
>       |                 ^~~~~~~~~~~
> In file included from tests/bpf.c:5:
> /usr/include/sys/epoll.h:134:12: note: in a call to function ‘epoll_pwait’ declared ‘nonnull’
>   134 | extern int epoll_pwait (int __epfd, struct epoll_event *__events,
>       |            ^~~~~~~~~~~

<snip>

Also, in Linus's tree, this works just fine on my system, but I get this
same error above (and only this error), when building perf on 6.1.y, and
on 6.5.y.  The perl errors are not present there.

thanks,

greg k-h



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