From: patchwork-bot+netdevbpf@kernel.org
To: Ard Biesheuvel <ardb+git@google.com>
Cc: linux-kernel@vger.kernel.org, ardb@kernel.org,
masahiroy@kernel.org, arnd@arndb.de, martin.lau@linux.dev,
linux-arch@vger.kernel.org, linux-kbuild@vger.kernel.org,
bpf@vger.kernel.org, andrii@kernel.org, olsajiri@gmail.com
Subject: Re: [PATCH v4 0/3] kbuild: Avoid weak external linkage where possible
Date: Tue, 16 Apr 2024 14:40:27 +0000 [thread overview]
Message-ID: <171327842741.29461.3030265084386428643.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20240415162041.2491523-5-ardb+git@google.com>
Hello:
This series was applied to bpf/bpf-next.git (master)
by Daniel Borkmann <daniel@iogearbox.net>:
On Mon, 15 Apr 2024 18:20:42 +0200 you wrote:
> From: Ard Biesheuvel <ardb@kernel.org>
>
> Weak external linkage is intended for cases where a symbol reference
> can remain unsatisfied in the final link. Taking the address of such a
> symbol should yield NULL if the reference was not satisfied.
>
> Given that ordinary RIP or PC relative references cannot produce NULL,
> some kind of indirection is always needed in such cases, and in position
> independent code, this results in a GOT entry. In ordinary code, it is
> arch specific but amounts to the same thing.
>
> [...]
Here is the summary with links:
- [v4,1/3] kallsyms: Avoid weak references for kallsyms symbols
(no matching commit)
- [v4,2/3] vmlinux: Avoid weak reference to notes section
(no matching commit)
- [v4,3/3] btf: Avoid weak external references
https://git.kernel.org/bpf/bpf-next/c/fc5eb4a84e4c
You are awesome, thank you!
--
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next prev parent reply other threads:[~2024-04-16 14:40 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-15 16:20 [PATCH v4 0/3] kbuild: Avoid weak external linkage where possible Ard Biesheuvel
2024-04-15 16:20 ` [PATCH v4 1/3] kallsyms: Avoid weak references for kallsyms symbols Ard Biesheuvel
2024-04-23 13:44 ` Masahiro Yamada
2024-04-15 16:20 ` [PATCH v4 2/3] vmlinux: Avoid weak reference to notes section Ard Biesheuvel
2024-04-20 13:42 ` Masahiro Yamada
2024-04-15 16:20 ` [PATCH v4 3/3] btf: Avoid weak external references Ard Biesheuvel
2024-04-16 14:40 ` patchwork-bot+netdevbpf [this message]
2024-04-19 7:57 ` [PATCH v4 0/3] kbuild: Avoid weak external linkage where possible Ard Biesheuvel
2024-04-20 12:31 ` Masahiro Yamada
2024-04-20 12:35 ` Ard Biesheuvel
2024-04-20 13:41 ` Masahiro Yamada
2024-04-20 13:56 ` Ard Biesheuvel
2024-04-20 13:59 ` Ard Biesheuvel
2024-04-20 14:05 ` Masahiro Yamada
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