From: Lorenz Bauer <lmb@cloudflare.com>
To: Andrii Nakryiko <andrii@kernel.org>
Cc: bpf <bpf@vger.kernel.org>, Networking <netdev@vger.kernel.org>,
Alexei Starovoitov <ast@fb.com>,
Daniel Borkmann <daniel@iogearbox.net>,
Kernel Team <kernel-team@fb.com>
Subject: Re: [PATCH bpf-next 2/5] libbpf: support BTF_KIND_FLOAT during type compatibility checks in CO-RE
Date: Mon, 26 Apr 2021 09:07:55 +0100 [thread overview]
Message-ID: <CACAyw9_Ge8TirBZ8qs+y5cBw3cosFb0cAOvBpg58Oo7j5BpvbQ@mail.gmail.com> (raw)
In-Reply-To: <20210423233058.3386115-3-andrii@kernel.org>
On Sat, 24 Apr 2021 at 00:36, Andrii Nakryiko <andrii@kernel.org> wrote:
>
> Add BTF_KIND_FLOAT support when doing CO-RE field type compatibility check.
> Without this, relocations against float/double fields will fail.
>
> Also adjust one error message to emit instruction index instead of less
> convenient instruction byte offset.
>
> Fixes: 22541a9eeb0d ("libbpf: Add BTF_KIND_FLOAT support")
> Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
> ---
> tools/lib/bpf/libbpf.c | 5 +++--
> 1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
> index a1cddd17af7d..ff54ffef433a 100644
> --- a/tools/lib/bpf/libbpf.c
> +++ b/tools/lib/bpf/libbpf.c
> @@ -5141,6 +5141,7 @@ static int bpf_core_fields_are_compat(const struct btf *local_btf,
>
> switch (btf_kind(local_type)) {
> case BTF_KIND_PTR:
> + case BTF_KIND_FLOAT:
Nit: update the function comment as well?
Acked-by: Lorenz Bauer <lmb@cloudflare.com>
--
Lorenz Bauer | Systems Engineer
6th Floor, County Hall/The Riverside Building, SE1 7PB, UK
www.cloudflare.com
next prev parent reply other threads:[~2021-04-26 8:10 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-23 23:30 [PATCH bpf-next 0/5] CO-RE relocation selftests fixes Andrii Nakryiko
2021-04-23 23:30 ` [PATCH bpf-next 1/5] selftests/bpf: add remaining ASSERT_xxx() variants Andrii Nakryiko
2021-04-26 8:05 ` Lorenz Bauer
2021-04-26 15:50 ` Andrii Nakryiko
2021-04-26 15:59 ` Toke Høiland-Jørgensen
2021-04-26 16:15 ` Andrii Nakryiko
2021-04-26 16:44 ` Toke Høiland-Jørgensen
2021-04-23 23:30 ` [PATCH bpf-next 2/5] libbpf: support BTF_KIND_FLOAT during type compatibility checks in CO-RE Andrii Nakryiko
2021-04-26 8:07 ` Lorenz Bauer [this message]
2021-04-23 23:30 ` [PATCH bpf-next 3/5] selftests/bpf: fix BPF_CORE_READ_BITFIELD() macro Andrii Nakryiko
2021-04-26 8:10 ` Lorenz Bauer
2021-04-23 23:30 ` [PATCH bpf-next 4/5] selftests/bpf: fix field existence CO-RE reloc tests Andrii Nakryiko
2021-04-26 8:12 ` Lorenz Bauer
2021-04-23 23:30 ` [PATCH bpf-next 5/5] selftests/bpf: fix core_reloc test runner Andrii Nakryiko
2021-04-26 8:16 ` Lorenz Bauer
2021-04-26 15:55 ` Andrii Nakryiko
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