On 2018-05-29 19:09, kbuild test robot wrote: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git pci/resource > head: ae5dab4220cf9ef3e7ecd6d520ab3a5750bb0eb6 > commit: bdf501f350aaa3432e4c85d4f8f57f6aa7bc9c1d [5/8] PCI: Use dev_printk() in of_pci_get_host_bridge_resources() > config: x86_64-randconfig-x004-201821 (attached as .config) > compiler: gcc-8 (Debian 8.1.0-3) 8.1.0 > reproduce: > git checkout bdf501f350aaa3432e4c85d4f8f57f6aa7bc9c1d > # save the attached .config to linux build tree > make ARCH=x86_64 > > All warnings (new ones prefixed by >>): > > drivers/pci/of.o: warning: objtool: of_pci_check_probe_only()+0x8e: sibling call from callable instruction with modified stack frame > drivers/pci/of.o: warning: objtool: of_pci_map_rid()+0x134: sibling call from callable instruction with modified stack frame > drivers/pci/of.o: warning: objtool: of_irq_parse_and_map_pci()+0x1f8: sibling call from callable instruction with modified stack frame > drivers/pci/of.o: warning: objtool: of_pci_check_probe_only.cold.0()+0x17: call without frame pointer save/setup >>> drivers/pci/of.o: warning: objtool: of_pci_map_rid.cold.1()+0x20: call without frame pointer save/setup > drivers/pci/of.o: warning: objtool: of_irq_parse_and_map_pci.cold.2()+0x15: call without frame pointer save/setup > Can someone enlighten me what that means? And I don't see how this patch could directly contribute to it. Thanks, Jan -- Siemens AG, Corporate Technology, CT RDA IOT SES-DE Corporate Competence Center Embedded Linux
