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 4C76815A4
	for <llvm@lists.linux.dev>; Thu, 14 Apr 2022 10:31:01 +0000 (UTC)
Received: by smtp.kernel.org (Postfix) with ESMTPSA id 06CD5C385A9;
	Thu, 14 Apr 2022 10:30:58 +0000 (UTC)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org;
	s=k20201202; t=1649932261;
	bh=anlZExuz/RXUpLpMBn9p6PwQT+FCiIUgNRUHvHy6288=;
	h=From:To:Cc:Subject:Date:In-Reply-To:References:From;
	b=Wpx5v7klIT/k74ydnZ5+cTvjax9JDVP1wgsofhEur3Hi0gHlxURy5AS37Pr0lO7HV
	 aXAM/0qVQRakT9t6m4mKV+61iangNeqtTGPT3v1mfc6JKmoSnanBbLAeCk33TzLsvC
	 K8Me60uQnCKb63y9wKIMAP2IGoloakUdVuN4iwN28SLCEDWmQ79JwWynb5ro/bPiSL
	 1XKWKziRmbhuWmgc7L7jLnE0TjWmG/Vav5RgPwhGUEro5NvdMCS3dlxs4tR5I/+08+
	 +pJwW+E/aVt/xRtA9eaN7ayBdgJq5ku+XW18+54BXEdMVSzftQQz8ZfbNqM776y3K3
	 QSs1PT9HVd9aQ==
From: Will Deacon <will@kernel.org>
To: Nathan Chancellor <nathan@kernel.org>,
	Catalin Marinas <catalin.marinas@arm.com>
Cc: kernel-team@android.com,
	Will Deacon <will@kernel.org>,
	Nick Desaulniers <ndesaulniers@google.com>,
	llvm@lists.linux.dev,
	Tom Rix <trix@redhat.com>,
	linux-kernel@vger.kernel.org,
	Anders Roxell <anders.roxell@linaro.org>,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] arm64: Improve HAVE_DYNAMIC_FTRACE_WITH_REGS selection for clang
Date: Thu, 14 Apr 2022 11:30:52 +0100
Message-Id: <164992995404.58572.4358662722112998061.b4-ty@kernel.org>
X-Mailer: git-send-email 2.20.1
In-Reply-To: <20220413181420.3522187-1-nathan@kernel.org>
References: <20220413181420.3522187-1-nathan@kernel.org>
Precedence: bulk
X-Mailing-List: llvm@lists.linux.dev
List-Id: <llvm.lists.linux.dev>
List-Subscribe: <mailto:llvm+subscribe@lists.linux.dev>
List-Unsubscribe: <mailto:llvm+unsubscribe@lists.linux.dev>
MIME-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: 8bit

On Wed, 13 Apr 2022 11:14:21 -0700, Nathan Chancellor wrote:
> Will and Anders reported that using just 'CC=clang' with CONFIG_FTRACE=y
> and CONFIG_STACK_TRACER=y would result in an error while linking:
> 
>   aarch64-linux-gnu-ld: .init.data has both ordered [`__patchable_function_entries' in init/main.o] and unordered [`.meminit.data' in mm/sparse.o] sections
>   aarch64-linux-gnu-ld: final link failed: bad value
> 
> This error was exposed by commit f12b034afeb3 ("scripts/Makefile.clang:
> default to LLVM_IAS=1") in combination with binutils older than 2.36.
> 
> [...]

Applied to arm64 (for-next/fixes), thanks!

[1/1] arm64: Improve HAVE_DYNAMIC_FTRACE_WITH_REGS selection for clang
      https://git.kernel.org/arm64/c/45bd8951806e

Cheers,
-- 
Will

https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev