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From: Will Deacon <will@kernel.org>
To: Nick Desaulniers <ndesaulniers@google.com>
Cc: akpm@linux-foundation.org, sedat.dilek@gmail.com,
	jpoimboe@redhat.com, yhs@fb.com, miguel.ojeda.sandonis@gmail.com,
	clang-built-linux@googlegroups.com,
	Catalin Marinas <catalin.marinas@arm.com>,
	Alexei Starovoitov <ast@kernel.org>,
	Daniel Borkmann <daniel@iogearbox.net>,
	Martin KaFai Lau <kafai@fb.com>, Song Liu <songliubraving@fb.com>,
	Andrey Konovalov <andreyknvl@google.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Enrico Weigelt <info@metux.net>,
	Suzuki K Poulose <suzuki.poulose@arm.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Masayoshi Mizuma <m.mizuma@jp.fujitsu.com>,
	Shaokun Zhang <zhangshaokun@hisilicon.com>,
	Alexios Zavras <alexios.zavras@intel.com>,
	Allison Randal <allison@lohutok.net>,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
	bpf@vger.kernel.org
Subject: Re: [PATCH 12/16] arm64: prefer __section from compiler_attributes.h
Date: Tue, 13 Aug 2019 09:27:44 +0100	[thread overview]
Message-ID: <20190813082744.xmzmm4j675rqiz47@willie-the-truck> (raw)
In-Reply-To: <20190812215052.71840-12-ndesaulniers@google.com>

Hi Nick,

On Mon, Aug 12, 2019 at 02:50:45PM -0700, Nick Desaulniers wrote:
> GCC unescapes escaped string section names while Clang does not. Because
> __section uses the `#` stringification operator for the section name, it
> doesn't need to be escaped.
> 
> This antipattern was found with:
> $ grep -e __section\(\" -e __section__\(\" -r
> 
> Reported-by: Sedat Dilek <sedat.dilek@gmail.com>
> Suggested-by: Josh Poimboeuf <jpoimboe@redhat.com>
> Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
> ---
>  arch/arm64/include/asm/cache.h     | 2 +-
>  arch/arm64/kernel/smp_spin_table.c | 2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)

Does this fix a build issue, or is it just cosmetic or do we end up with
duplicate sections or something else?

Happy to route it via arm64, just having trouble working out whether it's
5.3 material!

Will

  reply	other threads:[~2019-08-13  8:27 UTC|newest]

Thread overview: 47+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-12 21:50 [PATCH 01/16] s390/boot: fix section name escaping Nick Desaulniers
2019-08-12 21:50 ` [PATCH 02/16] arc: prefer __section from compiler_attributes.h Nick Desaulniers
2019-08-12 21:50 ` [PATCH 03/16] parisc: " Nick Desaulniers
2019-08-12 21:50 ` [PATCH 04/16] um: " Nick Desaulniers
2019-08-12 21:50 ` [PATCH 05/16] sh: " Nick Desaulniers
2019-08-13  8:51   ` Yoshinori Sato
2019-08-12 21:50 ` [PATCH 06/16] ia64: " Nick Desaulniers
2019-08-12 21:50 ` [PATCH 07/16] arm: " Nick Desaulniers
2019-08-12 21:50 ` [PATCH 08/16] mips: " Nick Desaulniers
2019-08-15  9:38   ` Paul Burton
2019-08-27  0:19     ` Nick Desaulniers
2019-08-12 21:50 ` [PATCH 09/16] sparc: " Nick Desaulniers
2019-08-12 22:13   ` David Miller
2019-08-12 21:50 ` [PATCH 10/16] powerpc: prefer __section and __printf " Nick Desaulniers
2020-04-01 12:53   ` Michael Ellerman
2020-04-01 13:18     ` Miguel Ojeda
2019-08-12 21:50 ` [PATCH 11/16] x86: prefer __section " Nick Desaulniers
2019-08-19 10:31   ` Thomas Gleixner
2019-08-19 17:59   ` Sedat Dilek
2019-08-12 21:50 ` [PATCH 12/16] arm64: " Nick Desaulniers
2019-08-13  8:27   ` Will Deacon [this message]
2019-08-13 12:36     ` Miguel Ojeda
2019-08-13 17:08       ` Will Deacon
2019-08-14 22:20         ` Nick Desaulniers
2019-08-15  9:08           ` Miguel Ojeda
2019-08-15  9:12             ` Miguel Ojeda
2019-08-23 19:35               ` Miguel Ojeda
2019-08-24 11:25                 ` Will Deacon
2019-08-24 12:48                   ` Miguel Ojeda
2019-08-26 17:03                     ` Nick Desaulniers
2019-08-12 21:50 ` [PATCH 13/16] include/asm-generic: " Nick Desaulniers
2019-08-13  7:57   ` Arnd Bergmann
2019-08-19 17:52   ` Naveen N. Rao
2019-08-19 17:56     ` Sedat Dilek
2019-08-12 21:50 ` [PATCH 14/16] include/linux: " Nick Desaulniers
2019-08-13  8:31   ` Ard Biesheuvel
2019-08-13  8:32   ` Will Deacon
2019-08-24 12:51     ` Miguel Ojeda
2019-08-27  8:21       ` Will Deacon
2019-08-19 18:05   ` Sedat Dilek
2019-08-12 21:50 ` [PATCH 15/16] include/linux/compiler.h: remove unused KENTRY macro Nick Desaulniers
2019-08-19 18:03   ` Sedat Dilek
2019-08-12 21:50 ` [PATCH 16/16] compiler_attributes.h: add note about __section Nick Desaulniers
2019-08-19 18:01   ` Sedat Dilek
2019-08-12 21:50 ` [PATCH 00/16] treewide: prefer __section from compiler_attributes.h Nick Desaulniers
2019-08-13 12:18   ` Miguel Ojeda
2019-08-19 18:18   ` Sedat Dilek

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