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From: Alexei Starovoitov <>
To: Andrii Nakryiko <>, <>,
	<>, <>
Cc: <>, <>
Subject: Re: [PATCH v3 bpf-next 0/4] libbpf: minimize feature detection (reallocarray, libelf-mmap)
Date: Tue, 18 Aug 2020 18:42:43 -0700	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

On 8/18/20 6:36 PM, Andrii Nakryiko wrote:
> Get rid of two feature detectors: reallocarray and libelf-mmap. Optional
> feature detections complicate libbpf Makefile and cause more troubles for
> various applications that want to integrate libbpf as part of their build.
> Patch #1 replaces all reallocarray() uses into libbpf-internal reallocarray()
> implementation. Patches #2 and #3 makes sure we won't re-introduce
> reallocarray() accidentally. Patch #2 also removes last use of
> libbpf_internal.h header inside bpftool. There is still nlattr.h that's used
> by both libbpf and bpftool, but that's left for a follow up patch to split.
> Patch #4 removed libelf-mmap feature detector and all its uses, as it's
> trivial to handle missing mmap support in libbpf, the way objtool has been
> doing it for a while.
> v1->v2 and v2->v3:
>    - rebase to latest bpf-next (Alexei).

Applied. Thanks

      parent reply	other threads:[~2020-08-19  1:43 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-19  1:36 Andrii Nakryiko
2020-08-19  1:36 ` [PATCH v3 bpf-next 1/4] libbpf: remove any use of reallocarray() in libbpf Andrii Nakryiko
2020-08-19  1:36 ` [PATCH v3 bpf-next 2/4] tools/bpftool: remove libbpf_internal.h usage in bpftool Andrii Nakryiko
2020-08-19  1:36 ` [PATCH v3 bpf-next 3/4] libbpf: centralize poisoning and poison reallocarray() Andrii Nakryiko
2020-08-19  1:36 ` [PATCH v3 bpf-next 4/4] tools: remove feature-libelf-mmap feature detection Andrii Nakryiko
2020-08-19  1:42 ` Alexei Starovoitov [this message]

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