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To: stable@vger.kernel.org
From: Akemi Yagi <toracat@elrepo.org>
Subject: Re: bpf tool build failure in latest stable-rc 6.1.103-rc3 due to
 missing backport
Date: Sat, 3 Aug 2024 17:48:05 -0000 (UTC)
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On Thu, 01 Aug 2024 21:05:45 -0700, Hardik Garg wrote:

> bpf tool build fails for the latest stable-rc 6.1.103-rc3 The error
> details are as follows:
> prog.c: In function 'load_with_options':
> prog.c:1710:23: warning: implicit declaration of function
> 'create_and_mount_bpffs_dir' [-Wimplicit-function-declaration]
>  1710 |                 err = create_and_mount_bpffs_dir(pinmaps);
>       |                       ^~~~~~~~~~~~~~~~~~~~~~~~~~

> The commit causing this failure in 6.1.103-rc3:
> bc1605fcb33bf7a300cd3ac5c409a16bda1626ba
> 
> It appears that the commit from the 6.10 series is missing in this
> release candidate:
> 478a535ae54a ("bpftool: Mount bpffs on provided dir instead of parent
> dir") 
> 
> Thanks,
> Hardik

Build of final 6.1.103 fails due to the reported issue.

Can we drop this commit until we figure out a proper fix?

Thanks,
Akemi