From: Catalin Marinas <catalin.marinas@arm.com>
To: kbuild-all@lists.01.org
Subject: Re: arch/arm64/kernel/entry-common.c:68:25: warning: no previous prototype for 'el1_sync_handler'
Date: Mon, 14 Dec 2020 10:28:48 +0000 [thread overview]
Message-ID: <20201214102847.GA2475@gaia> (raw)
In-Reply-To: <202012141530.KRuZaGFd-lkp@intel.com>
[-- Attachment #1: Type: text/plain, Size: 1606 bytes --]
On Mon, Dec 14, 2020 at 03:12:34PM +0800, kernel test robot wrote:
> tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head: 2c85ebc57b3e1817b6ce1a6b703928e113a90442
> commit: ed3768db588291ddb5dc794daed12cc751373566 arm64: entry: convert el1_sync to C
> date: 1 year, 2 months ago
> config: arm64-randconfig-r021-20201214 (attached as .config)
> compiler: aarch64-linux-gcc (GCC) 9.3.0
> reproduce (this is a W=1 build):
> wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
> chmod +x ~/bin/make.cross
> # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ed3768db588291ddb5dc794daed12cc751373566
> git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
> git fetch --no-tags linus master
> git checkout ed3768db588291ddb5dc794daed12cc751373566
> # save the attached .config to linux build tree
> COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm64
>
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@intel.com>
>
> All warnings (new ones prefixed by >>):
>
> >> arch/arm64/kernel/entry-common.c:68:25: warning: no previous prototype for 'el1_sync_handler' [-Wmissing-prototypes]
> 68 | asmlinkage void notrace el1_sync_handler(struct pt_regs *regs)
Do we actually need to fix these? It's asmlinkage and called from
assembly, it wouldn't understand a prototype anyway.
--
Catalin
WARNING: multiple messages have this Message-ID (diff)
From: Catalin Marinas <catalin.marinas@arm.com>
To: kernel test robot <lkp@intel.com>
Cc: Mark Rutland <mark.rutland@arm.com>,
kbuild-all@lists.01.org, linux-kernel@vger.kernel.org,
James Morse <james.morse@arm.com>
Subject: Re: arch/arm64/kernel/entry-common.c:68:25: warning: no previous prototype for 'el1_sync_handler'
Date: Mon, 14 Dec 2020 10:28:48 +0000 [thread overview]
Message-ID: <20201214102847.GA2475@gaia> (raw)
In-Reply-To: <202012141530.KRuZaGFd-lkp@intel.com>
On Mon, Dec 14, 2020 at 03:12:34PM +0800, kernel test robot wrote:
> tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head: 2c85ebc57b3e1817b6ce1a6b703928e113a90442
> commit: ed3768db588291ddb5dc794daed12cc751373566 arm64: entry: convert el1_sync to C
> date: 1 year, 2 months ago
> config: arm64-randconfig-r021-20201214 (attached as .config)
> compiler: aarch64-linux-gcc (GCC) 9.3.0
> reproduce (this is a W=1 build):
> wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
> chmod +x ~/bin/make.cross
> # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ed3768db588291ddb5dc794daed12cc751373566
> git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
> git fetch --no-tags linus master
> git checkout ed3768db588291ddb5dc794daed12cc751373566
> # save the attached .config to linux build tree
> COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm64
>
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@intel.com>
>
> All warnings (new ones prefixed by >>):
>
> >> arch/arm64/kernel/entry-common.c:68:25: warning: no previous prototype for 'el1_sync_handler' [-Wmissing-prototypes]
> 68 | asmlinkage void notrace el1_sync_handler(struct pt_regs *regs)
Do we actually need to fix these? It's asmlinkage and called from
assembly, it wouldn't understand a prototype anyway.
--
Catalin
next prev parent reply other threads:[~2020-12-14 10:28 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-14 7:12 arch/arm64/kernel/entry-common.c:68:25: warning: no previous prototype for 'el1_sync_handler' kernel test robot
2020-12-14 7:12 ` kernel test robot
2020-12-14 10:28 ` Catalin Marinas [this message]
2020-12-14 10:28 ` Catalin Marinas
2020-12-14 11:12 ` Mark Rutland
2020-12-14 11:12 ` Mark Rutland
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