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From: Andrii Nakryiko <andrii.nakryiko@gmail.com>
To: Jakub Bogusz <qboosh@pld-linux.org>
Cc: bpf <bpf@vger.kernel.org>, Alexei Starovoitov <ast@kernel.org>,
	Daniel Borkmann <daniel@iogearbox.net>
Subject: Re: [PATCH] fix libbpf hashmap with size_t shorter than long long
Date: Mon, 22 Jun 2020 22:44:56 -0700	[thread overview]
Message-ID: <CAEf4BzafxBFCa=sm-MoG71iwMA77Rj4OS-6w4U1OahP3+cH_wQ@mail.gmail.com> (raw)
In-Reply-To: <20200621142559.GA25517@stranger.qboosh.pl>

On Sun, Jun 21, 2020 at 7:34 AM Jakub Bogusz <qboosh@pld-linux.org> wrote:
>
> Hello,
>
> I noticed that _bpftool crashes when building kernel tools (5.7.x) for
> 32-bit targets because in libbpf hashmap implementation hash_bits()
> function returning numbers exceeding hashmap buckets capacity.
>
> Attached patch fixes this problem.
>

Thanks! But this was already fixed by Arnaldo Carvalho de Melo <acme@kernel.org>
in 8ca8d4a84173 ("libbpf: Define __WORDSIZE if not available").

>
> Regards,
>
> --
> Jakub Bogusz    http://qboosh.pl/

  reply	other threads:[~2020-06-23  5:45 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-21 14:25 [PATCH] fix libbpf hashmap with size_t shorter than long long Jakub Bogusz
2020-06-23  5:44 ` Andrii Nakryiko [this message]
2020-06-23 19:29   ` Jakub Bogusz
2020-06-23 19:40     ` Andrii Nakryiko
2020-06-27  9:07       ` Jakub Bogusz
2020-06-27 20:25         ` Andrii Nakryiko

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