Messages in this thread | | | Date | Sun, 19 Jul 2020 05:46:00 +0800 | From | kernel test robot <> | Subject | arch/x86/entry/common.c:736:24: warning: no previous prototype for 'xen_pv_evtchn_do_upcall' |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 6cf7ccba29dcf39ab27630c383a3844078a6d5cd commit: 2f6474e4636bcc68af6c44abb2703f12d7f083da x86/entry: Switch XEN/PV hypercall entry to IDTENTRY date: 5 weeks ago config: x86_64-randconfig-r004-20200719 (attached as .config) compiler: gcc-9 (Debian 9.3.0-14) 9.3.0 reproduce (this is a W=1 build): git checkout 2f6474e4636bcc68af6c44abb2703f12d7f083da # save the attached .config to linux build tree make W=1 ARCH=x86_64
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 'enter_from_user_mode' [-Wmissing-prototypes] 59 | __visible noinstr void enter_from_user_mode(void) | ^~~~~~~~~~~~~~~~~~~~ arch/x86/entry/common.c:274:24: warning: no previous prototype for 'prepare_exit_to_usermode' [-Wmissing-prototypes] 274 | __visible noinstr void prepare_exit_to_usermode(struct pt_regs *regs) | ^~~~~~~~~~~~~~~~~~~~~~~~ arch/x86/entry/common.c:336:24: warning: no previous prototype for 'syscall_return_slowpath' [-Wmissing-prototypes] 336 | __visible noinstr void syscall_return_slowpath(struct pt_regs *regs) | ^~~~~~~~~~~~~~~~~~~~~~~ >> arch/x86/entry/common.c:736:24: warning: no previous prototype for 'xen_pv_evtchn_do_upcall' [-Wmissing-prototypes] 736 | __visible noinstr void xen_pv_evtchn_do_upcall(struct pt_regs *regs) | ^~~~~~~~~~~~~~~~~~~~~~~
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)
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