On Wed, Apr 07, 2021 at 08:08:59AM +0000, Dexuan Cui wrote: > > From: kernel test robot <lkp@xxxxxxxxx> > > Sent: Tuesday, April 6, 2021 6:31 PM > > ... > > Hi Dexuan, > > I love your patch! Perhaps something to improve: > > > > All warnings (new ones prefixed by >>): > > > > drivers/pci/controller/pci-hyperv.c: In function 'hv_irq_unmask': > > drivers/pci/controller/pci-hyperv.c:1220:2: error: implicit declaration of > > function 'hv_set_msi_entry_from_desc' > > [-Werror=implicit-function-declaration] > > 1220 | hv_set_msi_entry_from_desc(¶ms->int_entry.msi_entry, > > msi_desc); > > This build error looks strange, because the patch doesn't even touch the driver > drivers/pci/controller/pci-hyperv.c. > I think this is normal. The bot doesn't restrict itself to the changed code from my experience. Wei.