From: Catalin Marinas <catalin.marinas@arm.com>
To: kernel test robot <lkp@intel.com>
Cc: kbuild-all@lists.01.org, James Morse <james.morse@arm.com>,
linux-arm-kernel@lists.infradead.org,
Marc Zyngier <maz@kernel.org>
Subject: Re: [arm64:for-next/fixes 3/5] arch/arm64/kvm/hyp/vhe/switch.c:221:17: warning: no previous prototype for 'kvm_unexpected_el2_exception'
Date: Sat, 29 Aug 2020 11:30:50 +0100 [thread overview]
Message-ID: <20200829103050.GA10424@gaia> (raw)
In-Reply-To: <202008290438.G8LCeqFR%lkp@intel.com>
On Sat, Aug 29, 2020 at 04:55:41AM +0800, kernel test robot wrote:
> tree: https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-next/fixes
> head: 71a7f8cb1ca4ca7214a700b1243626759b6c11d4
> commit: e9ee186bb735bfc17fa81dbc9aebf268aee5b41e [3/5] KVM: arm64: Add kvm_extable for vaxorcism code
> config: arm64-defconfig (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
> git checkout e9ee186bb735bfc17fa81dbc9aebf268aee5b41e
> # 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/kvm/hyp/vhe/switch.c:221:17: warning: no previous prototype for 'kvm_unexpected_el2_exception' [-Wmissing-prototypes]
> 221 | asmlinkage void kvm_unexpected_el2_exception(void)
> | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
> --
> >> arch/arm64/kvm/hyp/nvhe/switch.c:274:17: warning: no previous prototype for 'kvm_unexpected_el2_exception' [-Wmissing-prototypes]
> 274 | asmlinkage void kvm_unexpected_el2_exception(void)
> | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
We can ignore these. We don't need a prototype as they are called from
assembly only.
--
Catalin
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prev parent reply other threads:[~2020-08-29 10:33 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-28 20:55 [arm64:for-next/fixes 3/5] arch/arm64/kvm/hyp/vhe/switch.c:221:17: warning: no previous prototype for 'kvm_unexpected_el2_exception' kernel test robot
2020-08-29 10:30 ` Catalin Marinas [this message]
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