Hi Nadav, Thank you for the patch! Yet something to improve: [auto build test ERROR on linus/master] [also build test ERROR on v4.17 next-20180604] [cannot apply to tip/x86/core] [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/Nadav-Amit/x86-macrofying-inline-asm-for-better-compilation/20180605-124313 config: i386-tinyconfig (attached as .config) compiler: gcc-7 (Debian 7.3.0-16) 7.3.0 reproduce: # save the attached .config to linux build tree make ARCH=i386 All error/warnings (new ones prefixed by >>): In file included from include/linux/bug.h:5:0, from include/linux/crypto.h:23, from arch/x86/kernel/asm-offsets.c:9: include/linux/ktime.h: In function 'ktime_divns': >> arch/x86/include/asm/bug.h:31:17: error: invalid application of 'sizeof' to incomplete type 'struct bug_entry' "i" (sizeof(struct bug_entry))); \ ^ arch/x86/include/asm/bug.h:37:2: note: in expansion of macro '_BUG_FLAGS' _BUG_FLAGS(ASM_UD2, 0); \ ^~~~~~~~~~ include/asm-generic/bug.h:176:47: note: in expansion of macro 'BUG' #define BUG_ON(condition) do { if (condition) BUG(); } while (0) ^~~ >> include/linux/ktime.h:150:2: note: in expansion of macro 'BUG_ON' BUG_ON(div < 0); ^~~~~~ include/linux/rhashtable.h: In function 'rhashtable_lookup_insert_fast': >> arch/x86/include/asm/bug.h:31:17: error: invalid application of 'sizeof' to incomplete type 'struct bug_entry' "i" (sizeof(struct bug_entry))); \ ^ arch/x86/include/asm/bug.h:37:2: note: in expansion of macro '_BUG_FLAGS' _BUG_FLAGS(ASM_UD2, 0); \ ^~~~~~~~~~ include/asm-generic/bug.h:176:47: note: in expansion of macro 'BUG' #define BUG_ON(condition) do { if (condition) BUG(); } while (0) ^~~ >> include/linux/rhashtable.h:936:2: note: in expansion of macro 'BUG_ON' BUG_ON(ht->p.obj_hashfn); ^~~~~~ include/linux/rhashtable.h: In function 'rhashtable_lookup_get_insert_fast': >> arch/x86/include/asm/bug.h:31:17: error: invalid application of 'sizeof' to incomplete type 'struct bug_entry' "i" (sizeof(struct bug_entry))); \ ^ arch/x86/include/asm/bug.h:37:2: note: in expansion of macro '_BUG_FLAGS' _BUG_FLAGS(ASM_UD2, 0); \ ^~~~~~~~~~ include/asm-generic/bug.h:176:47: note: in expansion of macro 'BUG' #define BUG_ON(condition) do { if (condition) BUG(); } while (0) ^~~ include/linux/rhashtable.h:962:2: note: in expansion of macro 'BUG_ON' BUG_ON(ht->p.obj_hashfn); ^~~~~~ include/linux/rhashtable.h: In function 'rhashtable_lookup_insert_key': >> arch/x86/include/asm/bug.h:31:17: error: invalid application of 'sizeof' to incomplete type 'struct bug_entry' "i" (sizeof(struct bug_entry))); \ ^ arch/x86/include/asm/bug.h:37:2: note: in expansion of macro '_BUG_FLAGS' _BUG_FLAGS(ASM_UD2, 0); \ ^~~~~~~~~~ include/asm-generic/bug.h:176:47: note: in expansion of macro 'BUG' #define BUG_ON(condition) do { if (condition) BUG(); } while (0) ^~~ include/linux/rhashtable.h:996:2: note: in expansion of macro 'BUG_ON' BUG_ON(!ht->p.obj_hashfn || !key); ^~~~~~ include/linux/rhashtable.h: In function 'rhashtable_lookup_get_insert_key': >> arch/x86/include/asm/bug.h:31:17: error: invalid application of 'sizeof' to incomplete type 'struct bug_entry' "i" (sizeof(struct bug_entry))); \ ^ arch/x86/include/asm/bug.h:37:2: note: in expansion of macro '_BUG_FLAGS' _BUG_FLAGS(ASM_UD2, 0); \ ^~~~~~~~~~ include/asm-generic/bug.h:176:47: note: in expansion of macro 'BUG' #define BUG_ON(condition) do { if (condition) BUG(); } while (0) ^~~ include/linux/rhashtable.h:1020:2: note: in expansion of macro 'BUG_ON' BUG_ON(!ht->p.obj_hashfn || !key); ^~~~~~ include/linux/crypto.h: In function 'crypto_blkcipher_cast': >> arch/x86/include/asm/bug.h:31:17: error: invalid application of 'sizeof' to incomplete type 'struct bug_entry' "i" (sizeof(struct bug_entry))); \ ^ arch/x86/include/asm/bug.h:37:2: note: in expansion of macro '_BUG_FLAGS' _BUG_FLAGS(ASM_UD2, 0); \ ^~~~~~~~~~ include/asm-generic/bug.h:176:47: note: in expansion of macro 'BUG' #define BUG_ON(condition) do { if (condition) BUG(); } while (0) ^~~ >> include/linux/crypto.h:1118:2: note: in expansion of macro 'BUG_ON' BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_BLKCIPHER); ^~~~~~ include/linux/crypto.h: In function 'crypto_cipher_cast': >> arch/x86/include/asm/bug.h:31:17: error: invalid application of 'sizeof' to incomplete type 'struct bug_entry' "i" (sizeof(struct bug_entry))); \ ^ arch/x86/include/asm/bug.h:37:2: note: in expansion of macro '_BUG_FLAGS' _BUG_FLAGS(ASM_UD2, 0); \ ^~~~~~~~~~ include/asm-generic/bug.h:176:47: note: in expansion of macro 'BUG' #define BUG_ON(condition) do { if (condition) BUG(); } while (0) ^~~ include/linux/crypto.h:1438:2: note: in expansion of macro 'BUG_ON' BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER); ^~~~~~ include/linux/crypto.h: In function 'crypto_comp_cast': >> arch/x86/include/asm/bug.h:31:17: error: invalid application of 'sizeof' to incomplete type 'struct bug_entry' "i" (sizeof(struct bug_entry))); \ ^ arch/x86/include/asm/bug.h:37:2: note: in expansion of macro '_BUG_FLAGS' _BUG_FLAGS(ASM_UD2, 0); \ ^~~~~~~~~~ include/asm-generic/bug.h:176:47: note: in expansion of macro 'BUG' #define BUG_ON(condition) do { if (condition) BUG(); } while (0) ^~~ include/linux/crypto.h:1603:2: note: in expansion of macro 'BUG_ON' BUG_ON((crypto_tfm_alg_type(tfm) ^ CRYPTO_ALG_TYPE_COMPRESS) & ^~~~~~ include/linux/quota.h: In function 'make_kqid': >> arch/x86/include/asm/bug.h:31:17: error: invalid application of 'sizeof' to incomplete type 'struct bug_entry' "i" (sizeof(struct bug_entry))); \ ^ arch/x86/include/asm/bug.h:37:2: note: in expansion of macro '_BUG_FLAGS' _BUG_FLAGS(ASM_UD2, 0); \ ^~~~~~~~~~ >> include/linux/quota.h:114:3: note: in expansion of macro 'BUG' BUG(); ^~~ include/linux/quota.h: In function 'make_kqid_invalid': >> arch/x86/include/asm/bug.h:31:17: error: invalid application of 'sizeof' to incomplete type 'struct bug_entry' "i" (sizeof(struct bug_entry))); \ ^ arch/x86/include/asm/bug.h:37:2: note: in expansion of macro '_BUG_FLAGS' _BUG_FLAGS(ASM_UD2, 0); \ ^~~~~~~~~~ include/linux/quota.h:141:3: note: in expansion of macro 'BUG' BUG(); ^~~ include/linux/fs.h: In function 'kill_block_super': >> arch/x86/include/asm/bug.h:31:17: error: invalid application of 'sizeof' to incomplete type 'struct bug_entry' "i" (sizeof(struct bug_entry))); \ ^ arch/x86/include/asm/bug.h:37:2: note: in expansion of macro '_BUG_FLAGS' _BUG_FLAGS(ASM_UD2, 0); \ ^~~~~~~~~~ >> include/linux/fs.h:2124:2: note: in expansion of macro 'BUG' BUG(); ^~~ include/linux/fs.h: In function 'break_deleg_wait': >> arch/x86/include/asm/bug.h:31:17: error: invalid application of 'sizeof' to incomplete type 'struct bug_entry' "i" (sizeof(struct bug_entry))); \ ^ arch/x86/include/asm/bug.h:37:2: note: in expansion of macro '_BUG_FLAGS' _BUG_FLAGS(ASM_UD2, 0); \ ^~~~~~~~~~ include/linux/fs.h:2371:2: note: in expansion of macro 'BUG' BUG(); ^~~ include/linux/seq_file.h: In function 'seq_get_buf': >> arch/x86/include/asm/bug.h:31:17: error: invalid application of 'sizeof' to incomplete type 'struct bug_entry' "i" (sizeof(struct bug_entry))); \ ^ arch/x86/include/asm/bug.h:37:2: note: in expansion of macro '_BUG_FLAGS' _BUG_FLAGS(ASM_UD2, 0); \ ^~~~~~~~~~ include/asm-generic/bug.h:176:47: note: in expansion of macro 'BUG' #define BUG_ON(condition) do { if (condition) BUG(); } while (0) ^~~ >> include/linux/seq_file.h:66:2: note: in expansion of macro 'BUG_ON' BUG_ON(m->count > m->size); ^~~~~~ include/linux/seq_file.h: In function 'seq_commit': >> arch/x86/include/asm/bug.h:31:17: error: invalid application of 'sizeof' to incomplete type 'struct bug_entry' "i" (sizeof(struct bug_entry))); \ ^ arch/x86/include/asm/bug.h:37:2: note: in expansion of macro '_BUG_FLAGS' _BUG_FLAGS(ASM_UD2, 0); \ ^~~~~~~~~~ include/asm-generic/bug.h:176:47: note: in expansion of macro 'BUG' #define BUG_ON(condition) do { if (condition) BUG(); } while (0) ^~~ include/linux/seq_file.h:89:3: note: in expansion of macro 'BUG_ON' BUG_ON(m->count + num > m->size); ^~~~~~ include/asm-generic/fixmap.h: In function 'virt_to_fix': vim +31 arch/x86/include/asm/bug.h 9a93848f arch/x86/include/asm/bug.h Peter Zijlstra 2017-02-02 24 9a93848f arch/x86/include/asm/bug.h Peter Zijlstra 2017-02-02 25 #define _BUG_FLAGS(ins, flags) \ 68fdc55c include/asm-x86/bug.h Thomas Gleixner 2007-10-17 26 do { \ 6eca12b3 arch/x86/include/asm/bug.h Nadav Amit 2018-06-04 27 asm volatile("ASM_BUG ins=\"" ins "\" file=%c0 line=%c1 " \ 6eca12b3 arch/x86/include/asm/bug.h Nadav Amit 2018-06-04 28 "flags=%c2 size=%c3" \ 68fdc55c include/asm-x86/bug.h Thomas Gleixner 2007-10-17 29 : : "i" (__FILE__), "i" (__LINE__), \ 9a93848f arch/x86/include/asm/bug.h Peter Zijlstra 2017-02-02 30 "i" (flags), \ 68fdc55c include/asm-x86/bug.h Thomas Gleixner 2007-10-17 @31 "i" (sizeof(struct bug_entry))); \ 68fdc55c include/asm-x86/bug.h Thomas Gleixner 2007-10-17 32 } while (0) 68fdc55c include/asm-x86/bug.h Thomas Gleixner 2007-10-17 33 :::::: The code at line 31 was first introduced by commit :::::: 68fdc55c48fd2e8f4938a1e815216c25baf8a17e x86: unify include/asm/bug_32/64.h :::::: TO: Thomas Gleixner :::::: CC: Thomas Gleixner --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation