From: Mark Rutland <mark.rutland@arm.com>
To: kernel test robot <lkp@intel.com>
Cc: "Madhavan T. Venkataraman" <madvenka@linux.microsoft.com>,
kbuild-all@lists.01.org, linux-kernel@vger.kernel.org,
Mark Brown <broonie@kernel.org>
Subject: Re: [mark:arm64/stacktrace/arch-stack-walk 9/11] arch/arm64/kernel/time.c:49:9: error: implicit declaration of function 'arch_stack_walk'
Date: Fri, 26 Nov 2021 12:23:48 +0000 [thread overview]
Message-ID: <YaDR1MXFkwFYEwHU@FVFF77S0Q05N> (raw)
In-Reply-To: <202111241909.UDKmhCqg-lkp@intel.com>
On Wed, Nov 24, 2021 at 07:37:58PM +0800, kernel test robot wrote:
> tree: https://git.kernel.org/pub/scm/linux/kernel/git/mark/linux.git arm64/stacktrace/arch-stack-walk
> head: e982ef8a4c9b8bc2f92b7cdafbae70aa31b679d1
> commit: 36fa81ac0d771ba0080197745a39dbe94562c615 [9/11] arm64: Make profile_pc() use arch_stack_walk()
> config: arm64-alldefconfig (https://download.01.org/0day-ci/archive/20211124/202111241909.UDKmhCqg-lkp@intel.com/config)
> compiler: aarch64-linux-gcc (GCC) 11.2.0
> 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/mark/linux.git/commit/?id=36fa81ac0d771ba0080197745a39dbe94562c615
> git remote add mark https://git.kernel.org/pub/scm/linux/kernel/git/mark/linux.git
> git fetch --no-tags mark arm64/stacktrace/arch-stack-walk
> git checkout 36fa81ac0d771ba0080197745a39dbe94562c615
> # save the config file to linux build tree
> COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=arm64
>
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@intel.com>
>
> All errors (new ones prefixed by >>):
>
> arch/arm64/kernel/time.c: In function 'profile_pc':
> >> arch/arm64/kernel/time.c:49:9: error: implicit declaration of function 'arch_stack_walk' [-Werror=implicit-function-declaration]
> 49 | arch_stack_walk(profile_pc_cb, &prof_pc, current, regs);
> | ^~~~~~~~~~~~~~~
> arch/arm64/kernel/time.c: At top level:
> arch/arm64/kernel/time.c:55:13: warning: no previous prototype for 'time_init' [-Wmissing-prototypes]
> 55 | void __init time_init(void)
> | ^~~~~~~~~
> cc1: some warnings being treated as errors
The problem here is that arch_stack_walk() is defined in <linux/stacktrace.h>,
but we only include <asm/stacktrace.h>.
The same is true for other files in arm64, but we happen to get a transitive
include of <linux/stacktrace.h> by chance; I'll go fix the whole series...
Thanks,
Mark.
prev parent reply other threads:[~2021-11-26 12:25 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-24 11:37 [mark:arm64/stacktrace/arch-stack-walk 9/11] arch/arm64/kernel/time.c:49:9: error: implicit declaration of function 'arch_stack_walk' kernel test robot
2021-11-26 12:23 ` Mark Rutland [this message]
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