Hi Paul, [auto build test WARNING on linus/master] [also build test WARNING on v4.8-rc1 next-20160809] [cannot apply to linux/master] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Paul-Burton/console-Don-t-prefer-first-registered-if-DT-specifies-stdout-path/20160809-205816 config: x86_64-randconfig-s2-08092115 (attached as .config) compiler: gcc-4.4 (Debian 4.4.7-8) 4.4.7 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All warnings (new ones prefixed by >>): >> include/linux/console.h:179: warning: 'console_set_by_of' declared 'static' but never defined -- >> include/linux/console.h:179: warning: 'console_set_by_of' declared 'static' but never defined kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl': kernel/printk/printk.c:158: warning: 'old' may be used uninitialized in this function -- >> include/linux/console.h:179: warning: 'console_set_by_of' declared 'static' but never defined drivers/gpu/drm/amd/amdgpu/amdgpu_device.c: In function 'amdgpu_debugfs_regs_read': drivers/gpu/drm/amd/amdgpu/amdgpu_device.c:2182: warning: 'instance_bank' may be used uninitialized in this function drivers/gpu/drm/amd/amdgpu/amdgpu_device.c:2182: warning: 'sh_bank' may be used uninitialized in this function drivers/gpu/drm/amd/amdgpu/amdgpu_device.c:2182: warning: 'se_bank' may be used uninitialized in this function -- >> include/linux/console.h:179: warning: 'console_set_by_of' declared 'static' but never defined drivers/gpu/drm/bochs/bochs_mm.c: In function 'bochs_gem_create': drivers/gpu/drm/bochs/bochs_mm.c:384: warning: 'bochsbo' may be used uninitialized in this function -- >> include/linux/console.h:179: warning: 'console_set_by_of' declared 'static' but never defined drivers/tty/serial/serial_core.c: In function 'uart_start': drivers/tty/serial/serial_core.c:142: warning: 'flags' may be used uninitialized in this function drivers/tty/serial/serial_core.c: In function 'uart_stop': drivers/tty/serial/serial_core.c:121: warning: 'flags' may be used uninitialized in this function drivers/tty/serial/serial_core.c: In function 'uart_chars_in_buffer': drivers/tty/serial/serial_core.c:611: warning: 'flags' may be used uninitialized in this function drivers/tty/serial/serial_core.c: In function 'uart_write_room': drivers/tty/serial/serial_core.c:598: warning: 'flags' may be used uninitialized in this function drivers/tty/serial/serial_core.c: In function 'uart_put_char': drivers/tty/serial/serial_core.c:531: warning: 'flags' may be used uninitialized in this function drivers/tty/serial/serial_core.c: In function 'uart_flush_buffer': drivers/tty/serial/serial_core.c:624: warning: 'flags' may be used uninitialized in this function drivers/tty/serial/serial_core.c: In function 'uart_write': drivers/tty/serial/serial_core.c:559: warning: 'flags' may be used uninitialized in this function -- >> include/linux/console.h:179: warning: 'console_set_by_of' declared 'static' but never defined drivers/tty/vt/vt_ioctl.c: In function 'vt_ioctl': drivers/tty/vt/vt_ioctl.c:825: warning: 'cc' may be used uninitialized in this function -- >> include/linux/console.h:179: warning: 'console_set_by_of' declared 'static' but never defined drivers/tty/vt/consolemap.c: In function 'conv_uni_to_pc': drivers/tty/vt/consolemap.c:801: warning: 'h' may be used uninitialized in this function -- >> include/linux/console.h:179: warning: 'console_set_by_of' declared 'static' but never defined drivers/tty/serial/8250/8250_port.c: In function 'serial8250_console_write': drivers/tty/serial/8250/8250_port.c:3110: warning: 'flags' may be used uninitialized in this function -- >> include/linux/console.h:179: warning: 'console_set_by_of' declared 'static' but never defined drivers/video/fbdev/aty/aty128fb.c: In function 'aty128_decode_var': drivers/video/fbdev/aty/aty128fb.c:1567: warning: 'crtc.bpp' may be used uninitialized in this function drivers/video/fbdev/aty/aty128fb.c:1567: warning: 'crtc.depth' may be used uninitialized in this function drivers/video/fbdev/aty/aty128fb.c:1567: warning: 'crtc.yoffset' may be used uninitialized in this function drivers/video/fbdev/aty/aty128fb.c:1567: warning: 'crtc.xoffset' may be used uninitialized in this function drivers/video/fbdev/aty/aty128fb.c:1567: warning: 'crtc.vyres' may be used uninitialized in this function drivers/video/fbdev/aty/aty128fb.c:1567: warning: 'crtc.vxres' may be used uninitialized in this function drivers/video/fbdev/aty/aty128fb.c:1567: warning: 'crtc.offset_cntl' may be used uninitialized in this function drivers/video/fbdev/aty/aty128fb.c:1567: warning: 'crtc.pitch' may be used uninitialized in this function drivers/video/fbdev/aty/aty128fb.c:1567: warning: 'crtc.v_sync_strt_wid' may be used uninitialized in this function drivers/video/fbdev/aty/aty128fb.c:1567: warning: 'crtc.h_sync_strt_wid' may be used uninitialized in this function drivers/video/fbdev/aty/aty128fb.c:1567: warning: 'crtc.v_total' may be used uninitialized in this function drivers/video/fbdev/aty/aty128fb.c:1567: warning: 'crtc.h_total' may be used uninitialized in this function drivers/video/fbdev/aty/aty128fb.c:1567: warning: 'crtc.gen_cntl' may be used uninitialized in this function drivers/video/fbdev/aty/aty128fb.c:1569: warning: 'fifo_reg.dda_on_off' may be used uninitialized in this function drivers/video/fbdev/aty/aty128fb.c:1569: warning: 'fifo_reg.dda_config' may be used uninitialized in this function vim +179 include/linux/console.h 163 extern void console_start(struct console *); 164 extern int is_console_locked(void); 165 extern int braille_register_console(struct console *, int index, 166 char *console_options, char *braille_options); 167 extern int braille_unregister_console(struct console *); 168 #ifdef CONFIG_TTY 169 extern void console_sysfs_notify(void); 170 #else 171 static inline void console_sysfs_notify(void) 172 { } 173 #endif 174 extern bool console_suspend_enabled; 175 176 #ifdef CONFIG_OF 177 extern void console_set_by_of(void); 178 #else > 179 static inline void console_set_by_of(void); 180 #endif 181 182 /* Suspend and resume console messages over PM events */ 183 extern void suspend_console(void); 184 extern void resume_console(void); 185 186 int mda_console_init(void); 187 void prom_con_init(void); --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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