tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/asm head: 9683a64fc3cb67e663859a6bb2e0db5dcee9ed32 commit: 39358a033b2e4432052265c1fa0f36f572d8cfb5 [6/13] objtool, x86: Add facility for asm code to provide unwind hints config: x86_64-randconfig-in0-07242041 (attached as .config) compiler: gcc-4.6 (Debian 4.6.4-7) 4.6.4 reproduce: git checkout 39358a033b2e4432052265c1fa0f36f572d8cfb5 # save the attached .config to linux build tree make ARCH=x86_64
All warnings (new ones prefixed by >>): >> drivers/w1/w1_io.o: warning: objtool: w1_reset_bus()+0x36: unreachable >> instruction -- >> drivers/parport/parport_ax88796.o: warning: objtool: >> parport_ax88796_disable_irq()+0x2a: unreachable instruction -- >> drivers/tty/serial/serial_core.o: warning: objtool: >> uart_remove_one_port()+0x40: unreachable instruction -- >> drivers/tty/serial/8250/8250_core.o: warning: objtool: >> serial_do_unlink()+0xc0: unreachable instruction -- >> drivers/tty/serial/8250/8250_port.o: warning: objtool: >> serial8250_console_write()+0x62: unreachable instruction -- >> drivers/pci/pci.o: warning: objtool: pci_choose_state()+0xa9: unreachable >> instruction -- >> drivers/pci/setup-bus.o: warning: objtool: >> pci_assign_unassigned_bus_resources()+0xc1: unreachable instruction -- >> init/main.o: warning: objtool: do_one_initcall()+0x13f: unreachable >> instruction -- >> init/do_mounts.o: warning: objtool: mount_block_root()+0x350: unreachable >> instruction -- >> arch/x86/entry/common.o: warning: objtool: syscall_trace_enter()+0x63: >> unreachable instruction -- arch/x86/events/core.c: In function 'init_hw_perf_events': arch/x86/events/core.c:261:3: warning: 'reg_fail' may be used uninitialized in this function [-Wuninitialized] arch/x86/events/core.c:195:14: note: 'reg_fail' was declared here arch/x86/events/core.c:261:3: warning: 'val_fail' may be used uninitialized in this function [-Wuninitialized] arch/x86/events/core.c:194:11: note: 'val_fail' was declared here >> arch/x86/events/core.o: warning: objtool: refresh_pce()+0x79: unreachable >> instruction .. --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
.config.gz
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