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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>
In-Reply-To: <20220413181420.3522187-1-nathan@kernel.org>
References: <20220413181420.3522187-1-nathan@kernel.org>
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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