From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0F12612C7E1; Tue, 16 Apr 2024 14:40:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713278428; cv=none; b=q/r0lJWPa2sZmojctEvePQrfxcSxuPeFCdYw/iWYLPhVwraNwRGyqwq+pKihp7EgvbNYRy14R06U/lGyMcHaxZilXJW9emypkRn2B6sKjozFR4i1fQVGo+ck1qx4mKNv1W7b6oDwAkbBozUkPsp+ke4d3sYIDBEt0zFCACwyEAU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713278428; c=relaxed/simple; bh=ulix9quus3PlYbJVuwvHVIOelWLtNPYkNwdfm+1e6eg=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=H09SLdq6RSSqykwvwcshy8PwtKqXqOIMtwKjG/SErt95JFl+l5093fCiGBvQUVW16gSStqKnjpVHTSZ4PR6aM2iyke6sePVZBUQf4WbIRXUNZQvwvbztltV8+FJVNPY5rs8nrTGfEUzqn0o49jhbWnGZA6rGHkB0ZuvVhHfwBY4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=mizTO6zH; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="mizTO6zH" Received: by smtp.kernel.org (Postfix) with ESMTPS id 7DEEEC2BD10; Tue, 16 Apr 2024 14:40:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1713278427; bh=ulix9quus3PlYbJVuwvHVIOelWLtNPYkNwdfm+1e6eg=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=mizTO6zHQsmhhoJXPvj7Bd6z6SPnKSeEeEX1PNLVcS2zL7EWaQJl9v1W/RV70RYXL rQHmcie6fJHXC1AaGvx3pZ2GthYw8agK9VgZoj43fXbvDnxG9CLrb7nyvmdLKCnkkV IJCkust3+LFhAwgsXg1SkA0zbGV1lt54TCAGUUu6L6OZZGHBi1UYfvPQfiQ2v/yrfF /MGgpvv7ahlKkdGp4IfXxAQw2Gg/AEjXrD1wN9NqkjOPlxi6r+xp0+oj1z71jwCjgq GT6fhUwqUzzb3h3saCJAAUs55eNYm/ndolg2LdBOiel95QXFmDG2jy9IUCEPx1bKf6 eoS8J4Zh0arBg== Received: from aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (localhost.localdomain [127.0.0.1]) by aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (Postfix) with ESMTP id 67E56D4F15E; Tue, 16 Apr 2024 14:40:27 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH v4 0/3] kbuild: Avoid weak external linkage where possible From: patchwork-bot+netdevbpf@kernel.org Message-Id: <171327842741.29461.3030265084386428643.git-patchwork-notify@kernel.org> Date: Tue, 16 Apr 2024 14:40:27 +0000 References: <20240415162041.2491523-5-ardb+git@google.com> In-Reply-To: <20240415162041.2491523-5-ardb+git@google.com> To: Ard Biesheuvel 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 Hello: This series was applied to bpf/bpf-next.git (master) by Daniel Borkmann : On Mon, 15 Apr 2024 18:20:42 +0200 you wrote: > From: Ard Biesheuvel > > 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! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html