On Thu, Jan 07, 2021 at 06:21:24AM +0800, kernel test robot wrote: > Hi Wei, > > I love your patch! Perhaps something to improve: > > [auto build test WARNING on e71ba9452f0b5b2e8dc8aa5445198cd9214a6a62] > > url: > https://github.com/0day-ci/linux/commits/Wei-Liu/Introducing-Linux-root-partition-support-for-Microsoft-Hypervisor/20210107-044149 > base: e71ba9452f0b5b2e8dc8aa5445198cd9214a6a62 > config: i386-randconfig-m021-20210106 (attached as .config) > compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 > reproduce (this is a W=1 build): > # > https://github.com/0day-ci/linux/commit/376aee69c6ab18dc23b0386590bee82d59555be8 > git remote add linux-review https://github.com/0day-ci/linux > git fetch --no-tags linux-review > Wei-Liu/Introducing-Linux-root-partition-support-for-Microsoft-Hypervisor/20210107-044149 > git checkout 376aee69c6ab18dc23b0386590bee82d59555be8 > # save the attached .config to linux build tree > make W=1 ARCH=i386 > > If you fix the issue, kindly add following tag as appropriate > Reported-by: kernel test robot <[email protected]> > > All warnings (new ones prefixed by >>): > > >> arch/x86/hyperv/irqdomain.c:317:28: warning: no previous prototype for > >> 'hv_create_pci_msi_domain' [-Wmissing-prototypes] > 317 | struct irq_domain * __init hv_create_pci_msi_domain(void) > | ^~~~~~~~~~~~~~~~~~~~~~~~ > > > vim +/hv_create_pci_msi_domain +317 arch/x86/hyperv/irqdomain.c
I've fixed this locally by moving the prototype to a header file -- previously it was left in a C file. Wei.
