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Date:   Thu, 14 Nov 2019 16:57:30 +0000
From:   Will Deacon <will@kernel.org>
To:     Sami Tolvanen <samitolvanen@google.com>
Cc:     Catalin Marinas <catalin.marinas@arm.com>,
        Andrew Murray <andrew.murray@arm.com>,
        Nick Desaulniers <ndesaulniers@google.com>,
        Kees Cook <keescook@chromium.org>,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org,
        clang-built-linux@googlegroups.com
Subject: Re: [RESEND PATCH v2] arm64: lse: fix LSE atomics with LLVM's
 integrated assembler
Message-ID: <20191114165730.GC5158@willie-the-truck>
References: <20191031195705.36916-1-samitolvanen@google.com>
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On Thu, Oct 31, 2019 at 12:57:05PM -0700, Sami Tolvanen wrote:
> Unlike gcc, clang considers each inline assembly block to be independent
> and therefore, when using the integrated assembler for inline assembly,
> any preambles that enable features must be repeated in each block.
> 
> This change defines __LSE_PREAMBLE and adds it to each inline assembly
> block that has LSE instructions, which allows them to be compiled also
> with clang's assembler.

Any chance LLVM can be fixed to avoid this bodge in the kernel?

Will