kbuild test robot <l...@intel.com> writes:
> tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/entry
> head: 095b7a3e7745e6fb7cf0a1c09967c4f43e76f8f4
> commit: fad1940a6a856f59b073e8650e02052ce531154c [4/80] x86/xen: Split HVM
> vector callback setup and interrupt gate allocation
> config: arm-randconfig-r013-20200519 (attached as .config)
> compiler: arm-linux-gnueabi-gcc (GCC) 9.3.0
> reproduce:
> wget
> https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O
> ~/bin/make.cross
> chmod +x ~/bin/make.cross
> git checkout fad1940a6a856f59b073e8650e02052ce531154c
> # save the attached .config to linux build tree
> COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross
> ARCH=arm
>
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kbuild test robot <l...@intel.com>
>
> All warnings (new ones prefixed by >>, old ones prefixed by <<):
>
>>> drivers/xen/events/events_base.c:1664:6: warning: no previous prototype for
>>> 'xen_setup_callback_vector' [-Wmissing-prototypes]
> 1664 | void xen_setup_callback_vector(void) {}
> | ^~~~~~~~~~~~~~~~~~~~~~~~~
>
> vim +/xen_setup_callback_vector +1664 drivers/xen/events/events_base.c
>
> 1654
> 1655 static __init void xen_alloc_callback_vector(void)
> 1656 {
> 1657 if (!xen_have_vector_callback)
> 1658 return;
> 1659
> 1660 pr_info("Xen HVM callback vector for event delivery is
> enabled\n");
> 1661 alloc_intr_gate(HYPERVISOR_CALLBACK_VECTOR,
> xen_hvm_callback_vector);
> 1662 }
> 1663 #else
>> 1664 void xen_setup_callback_vector(void) {}
This isn't new in the patch as it just renames 'xen_callback_vector()'
to 'xen_setup_callback_vector()' but we likely need to add 'static'
here. I'll send a patch.
> 1665 static inline void xen_alloc_callback_vector(void) {}
> 1666 #endif
> 1667
>
> ---
> 0-DAY CI Kernel Test Service, Intel Corporation
> https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
--
Vitaly
