tree: https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git vhost head: 9991b95cb712cdd9a40240bde6274d5415476fb5 commit: 860c7fa9d6d433011e82a4f7f896893e914ce4a9 [11/22] fw_cfg: write vmcoreinfo details config: i386-randconfig-c0-02011330 (attached as .config) compiler: gcc-7 (Debian 7.2.0-12) 7.2.1 20171025 reproduce: git checkout 860c7fa9d6d433011e82a4f7f896893e914ce4a9 # save the attached .config to linux build tree make ARCH=i386 All error/warnings (new ones prefixed by >>): In file included from include/linux/byteorder/little_endian.h:5:0, from arch/x86/include/uapi/asm/byteorder.h:5, from include/asm-generic/bitops/le.h:6, from arch/x86/include/asm/bitops.h:518, from include/linux/bitops.h:38, from include/linux/kernel.h:11, from include/linux/list.h:9, from include/linux/module.h:9, from drivers//firmware/qemu_fw_cfg.c:30: drivers//firmware/qemu_fw_cfg.c: In function 'write_vmcoreinfo': >> drivers//firmware/qemu_fw_cfg.c:379:23: error: 'VMCOREINFO_NOTE_SIZE' undeclared (first use in this function); did you mean 'MEI_CL_NAME_SIZE'? .size = cpu_to_le32(VMCOREINFO_NOTE_SIZE), ^ include/uapi/linux/byteorder/little_endian.h:33:51: note: in definition of macro '__cpu_to_le32' #define __cpu_to_le32(x) ((__force __le32)(__u32)(x)) ^ >> drivers//firmware/qemu_fw_cfg.c:379:11: note: in expansion of macro 'cpu_to_le32' .size = cpu_to_le32(VMCOREINFO_NOTE_SIZE), ^~~~~~~~~~~ drivers//firmware/qemu_fw_cfg.c:379:23: note: each undeclared identifier is reported only once for each function it appears in .size = cpu_to_le32(VMCOREINFO_NOTE_SIZE), ^ include/uapi/linux/byteorder/little_endian.h:33:51: note: in definition of macro '__cpu_to_le32' #define __cpu_to_le32(x) ((__force __le32)(__u32)(x)) ^ >> drivers//firmware/qemu_fw_cfg.c:379:11: note: in expansion of macro 'cpu_to_le32' .size = cpu_to_le32(VMCOREINFO_NOTE_SIZE), ^~~~~~~~~~~ >> drivers//firmware/qemu_fw_cfg.c:380:24: error: implicit declaration of function 'paddr_vmcoreinfo_note'; did you mean 'write_vmcoreinfo'? [-Werror=implicit-function-declaration] .paddr = cpu_to_le64(paddr_vmcoreinfo_note()) ^ include/uapi/linux/byteorder/little_endian.h:31:51: note: in definition of macro '__cpu_to_le64' #define __cpu_to_le64(x) ((__force __le64)(__u64)(x)) ^ >> drivers//firmware/qemu_fw_cfg.c:380:12: note: in expansion of macro 'cpu_to_le64' .paddr = cpu_to_le64(paddr_vmcoreinfo_note()) ^~~~~~~~~~~ cc1: some warnings being treated as errors vim +379 drivers//firmware/qemu_fw_cfg.c 360 361 #ifdef CONFIG_CRASH_CORE 362 static ssize_t write_vmcoreinfo(struct device *dev, const struct fw_cfg_file *f) 363 { 364 struct vmci { 365 __le16 host_format; 366 __le16 guest_format; 367 __le32 size; 368 __le64 paddr; 369 } __packed; 370 static struct vmci *data; 371 ssize_t ret; 372 373 data = kmalloc(sizeof(struct vmci), GFP_KERNEL); 374 if (!data) 375 return -ENOMEM; 376 377 *data = (struct vmci) { 378 .guest_format = cpu_to_le16(VMCOREINFO_FORMAT_ELF), > 379 .size = cpu_to_le32(VMCOREINFO_NOTE_SIZE), > 380 .paddr = cpu_to_le64(paddr_vmcoreinfo_note()) 381 }; 382 /* spare ourself reading host format support for now since we 383 * don't know what else to format - host may ignore ours 384 */ 385 ret = fw_cfg_write_blob(dev, f->select, data, 0, sizeof(struct vmci)); 386 387 kfree(data); 388 return ret; 389 } 390 #endif /* CONFIG_CRASH_CORE */ 391 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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