From: kernel test robot <lkp@intel.com>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org,
linux-kernel@vger.kernel.org, Ingo Molnar <mingo@kernel.org>
Subject: arch/x86/entry/common.c:736:24: warning: no previous prototype for function 'xen_pv_evtchn_do_upcall'
Date: Mon, 14 Feb 2022 18:19:38 +0800 [thread overview]
Message-ID: <202202141812.bb7YTaL8-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 754e0b0e35608ed5206d6a67a791563c631cec07
commit: 2f6474e4636bcc68af6c44abb2703f12d7f083da x86/entry: Switch XEN/PV hypercall entry to IDTENTRY
date: 1 year, 8 months ago
config: x86_64-randconfig-a006-20220214 (https://download.01.org/0day-ci/archive/20220214/202202141812.bb7YTaL8-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project ea071884b0cc7210b3cc5fe858f0e892a779a23b)
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=2f6474e4636bcc68af6c44abb2703f12d7f083da
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 2f6474e4636bcc68af6c44abb2703f12d7f083da
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash arch/x86/entry/
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/x86/entry/common.c:59:24: warning: no previous prototype for function 'enter_from_user_mode' [-Wmissing-prototypes]
__visible noinstr void enter_from_user_mode(void)
^
arch/x86/entry/common.c:59:19: note: declare 'static' if the function is not intended to be used outside of this translation unit
__visible noinstr void enter_from_user_mode(void)
^
static
arch/x86/entry/common.c:274:24: warning: no previous prototype for function 'prepare_exit_to_usermode' [-Wmissing-prototypes]
__visible noinstr void prepare_exit_to_usermode(struct pt_regs *regs)
^
arch/x86/entry/common.c:274:19: note: declare 'static' if the function is not intended to be used outside of this translation unit
__visible noinstr void prepare_exit_to_usermode(struct pt_regs *regs)
^
static
arch/x86/entry/common.c:336:24: warning: no previous prototype for function 'syscall_return_slowpath' [-Wmissing-prototypes]
__visible noinstr void syscall_return_slowpath(struct pt_regs *regs)
^
arch/x86/entry/common.c:336:19: note: declare 'static' if the function is not intended to be used outside of this translation unit
__visible noinstr void syscall_return_slowpath(struct pt_regs *regs)
^
static
>> arch/x86/entry/common.c:736:24: warning: no previous prototype for function 'xen_pv_evtchn_do_upcall' [-Wmissing-prototypes]
__visible noinstr void xen_pv_evtchn_do_upcall(struct pt_regs *regs)
^
arch/x86/entry/common.c:736:19: note: declare 'static' if the function is not intended to be used outside of this translation unit
__visible noinstr void xen_pv_evtchn_do_upcall(struct pt_regs *regs)
^
static
4 warnings generated.
vim +/xen_pv_evtchn_do_upcall +736 arch/x86/entry/common.c
735
> 736 __visible noinstr void xen_pv_evtchn_do_upcall(struct pt_regs *regs)
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
reply other threads:[~2022-02-14 10:19 UTC|newest]
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