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From: kernel test robot <lkp@intel.com>
To: Sami Tolvanen <samitolvanen@google.com>,
	Masahiro Yamada <masahiroy@kernel.org>,
	Will Deacon <will@kernel.org>
Cc: kbuild-all@lists.01.org,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	"Paul E. McKenney" <paulmck@kernel.org>,
	Kees Cook <keescook@chromium.org>,
	Nick Desaulniers <ndesaulniers@google.com>,
	clang-built-linux@googlegroups.com,
	kernel-hardening@lists.openwall.com, linux-arch@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 09/22] init: lto: ensure initcall ordering
Date: Thu, 25 Jun 2020 12:19:34 +0800
Message-ID: <202006251230.P76OaScp%lkp@intel.com> (raw)
In-Reply-To: <20200624203200.78870-10-samitolvanen@google.com>


[-- Attachment #1: Type: text/plain, Size: 11769 bytes --]

Hi Sami,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on 26e122e97a3d0390ebec389347f64f3730fdf48f]

url:    https://github.com/0day-ci/linux/commits/Sami-Tolvanen/add-support-for-Clang-LTO/20200625-043816
base:    26e122e97a3d0390ebec389347f64f3730fdf48f
config: m68k-allyesconfig (attached as .config)
compiler: m68k-linux-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=m68k 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   In file included from arch/m68k/include/asm/io_mm.h:25,
                    from arch/m68k/include/asm/io.h:8,
                    from include/linux/io.h:13,
                    from include/linux/irq.h:20,
                    from include/asm-generic/hardirq.h:13,
                    from ./arch/m68k/include/generated/asm/hardirq.h:1,
                    from include/linux/hardirq.h:10,
                    from include/linux/interrupt.h:11,
                    from drivers/ide/gayle.c:13:
   arch/m68k/include/asm/raw_io.h: In function 'raw_rom_outsb':
   arch/m68k/include/asm/raw_io.h:83:7: warning: variable '__w' set but not used [-Wunused-but-set-variable]
      83 |  ({u8 __w, __v = (b);  u32 _addr = ((u32) (addr)); \
         |       ^~~
   arch/m68k/include/asm/raw_io.h:430:3: note: in expansion of macro 'rom_out_8'
     430 |   rom_out_8(port, *buf++);
         |   ^~~~~~~~~
   arch/m68k/include/asm/raw_io.h: In function 'raw_rom_outsw':
   arch/m68k/include/asm/raw_io.h:86:8: warning: variable '__w' set but not used [-Wunused-but-set-variable]
      86 |  ({u16 __w, __v = (w); u32 _addr = ((u32) (addr)); \
         |        ^~~
   arch/m68k/include/asm/raw_io.h:448:3: note: in expansion of macro 'rom_out_be16'
     448 |   rom_out_be16(port, *buf++);
         |   ^~~~~~~~~~~~
   arch/m68k/include/asm/raw_io.h: In function 'raw_rom_outsw_swapw':
   arch/m68k/include/asm/raw_io.h:90:8: warning: variable '__w' set but not used [-Wunused-but-set-variable]
      90 |  ({u16 __w, __v = (w); u32 _addr = ((u32) (addr)); \
         |        ^~~
   arch/m68k/include/asm/raw_io.h:466:3: note: in expansion of macro 'rom_out_le16'
     466 |   rom_out_le16(port, *buf++);
         |   ^~~~~~~~~~~~
   In file included from include/asm-generic/bug.h:5,
                    from arch/m68k/include/asm/bug.h:32,
                    from include/linux/bug.h:5,
                    from include/linux/mmdebug.h:5,
                    from include/linux/mm.h:9,
                    from drivers/ide/gayle.c:12:
   include/linux/scatterlist.h: In function 'sg_set_buf':
   arch/m68k/include/asm/page_mm.h:169:49: warning: ordered comparison of pointer with null pointer [-Wextra]
     169 | #define virt_addr_valid(kaddr) ((void *)(kaddr) >= (void *)PAGE_OFFSET && (void *)(kaddr) < high_memory)
         |                                                 ^~
   include/linux/compiler.h:78:42: note: in definition of macro 'unlikely'
      78 | # define unlikely(x) __builtin_expect(!!(x), 0)
         |                                          ^
   include/linux/scatterlist.h:143:2: note: in expansion of macro 'BUG_ON'
     143 |  BUG_ON(!virt_addr_valid(buf));
         |  ^~~~~~
   include/linux/scatterlist.h:143:10: note: in expansion of macro 'virt_addr_valid'
     143 |  BUG_ON(!virt_addr_valid(buf));
         |          ^~~~~~~~~~~~~~~
   In file included from arch/m68k/include/asm/bug.h:32,
                    from include/linux/bug.h:5,
                    from include/linux/mmdebug.h:5,
                    from include/linux/mm.h:9,
                    from drivers/ide/gayle.c:12:
   include/linux/dma-mapping.h: In function 'dma_map_resource':
   arch/m68k/include/asm/page_mm.h:169:49: warning: ordered comparison of pointer with null pointer [-Wextra]
     169 | #define virt_addr_valid(kaddr) ((void *)(kaddr) >= (void *)PAGE_OFFSET && (void *)(kaddr) < high_memory)
         |                                                 ^~
   include/asm-generic/bug.h:144:27: note: in definition of macro 'WARN_ON_ONCE'
     144 |  int __ret_warn_once = !!(condition);   \
         |                           ^~~~~~~~~
   arch/m68k/include/asm/page_mm.h:170:25: note: in expansion of macro 'virt_addr_valid'
     170 | #define pfn_valid(pfn)  virt_addr_valid(pfn_to_virt(pfn))
         |                         ^~~~~~~~~~~~~~~
   include/linux/dma-mapping.h:352:19: note: in expansion of macro 'pfn_valid'
     352 |  if (WARN_ON_ONCE(pfn_valid(PHYS_PFN(phys_addr))))
         |                   ^~~~~~~~~
   In file included from <command-line>:
   drivers/ide/gayle.c: At top level:
>> arch/m68k/include/asm/amigayle.h:57:66: error: pasting ")" and "__282_185_amiga_gayle_ide_driver_init" does not give a valid preprocessing token
      57 | #define gayle (*(volatile struct GAYLE *)(zTwoBase+GAYLE_ADDRESS))
         |                                                                  ^
   include/linux/compiler_types.h:53:23: note: in definition of macro '___PASTE'
      53 | #define ___PASTE(a,b) a##b
         |                       ^
   include/linux/init.h:189:2: note: in expansion of macro '__PASTE'
     189 |  __PASTE(__KBUILD_MODNAME,    \
         |  ^~~~~~~
   <command-line>: note: in expansion of macro 'gayle'
   include/linux/init.h:189:10: note: in expansion of macro '__KBUILD_MODNAME'
     189 |  __PASTE(__KBUILD_MODNAME,    \
         |          ^~~~~~~~~~~~~~~~
   include/linux/init.h:236:35: note: in expansion of macro '__initcall_id'
     236 |  __unique_initcall(fn, id, __sec, __initcall_id(fn))
         |                                   ^~~~~~~~~~~~~
   include/linux/init.h:238:35: note: in expansion of macro '___define_initcall'
     238 | #define __define_initcall(fn, id) ___define_initcall(fn, id, .initcall##id)
         |                                   ^~~~~~~~~~~~~~~~~~
   include/linux/init.h:267:30: note: in expansion of macro '__define_initcall'
     267 | #define device_initcall(fn)  __define_initcall(fn, 6)
         |                              ^~~~~~~~~~~~~~~~~
   include/linux/init.h:272:24: note: in expansion of macro 'device_initcall'
     272 | #define __initcall(fn) device_initcall(fn)
         |                        ^~~~~~~~~~~~~~~
   include/linux/module.h:88:24: note: in expansion of macro '__initcall'
      88 | #define module_init(x) __initcall(x);
         |                        ^~~~~~~~~~
   include/linux/platform_device.h:271:1: note: in expansion of macro 'module_init'
     271 | module_init(__platform_driver##_init); \
         | ^~~~~~~~~~~
   drivers/ide/gayle.c:185:1: note: in expansion of macro 'module_platform_driver_probe'
     185 | module_platform_driver_probe(amiga_gayle_ide_driver, amiga_gayle_ide_probe);
         | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/init.h:200:10: error: pasting "__" and "(" does not give a valid preprocessing token
     200 |  __PASTE(__,      \
         |          ^~
   include/linux/compiler_types.h:53:23: note: in definition of macro '___PASTE'
      53 | #define ___PASTE(a,b) a##b
         |                       ^
   include/linux/init.h:200:2: note: in expansion of macro '__PASTE'
     200 |  __PASTE(__,      \
         |  ^~~~~~~
   include/linux/init.h:232:3: note: in expansion of macro '__initcall_name'
     232 |   __initcall_name(initcall, __iid, id),  \
         |   ^~~~~~~~~~~~~~~
   include/linux/init.h:236:2: note: in expansion of macro '__unique_initcall'
     236 |  __unique_initcall(fn, id, __sec, __initcall_id(fn))
         |  ^~~~~~~~~~~~~~~~~
   include/linux/init.h:238:35: note: in expansion of macro '___define_initcall'
     238 | #define __define_initcall(fn, id) ___define_initcall(fn, id, .initcall##id)
         |                                   ^~~~~~~~~~~~~~~~~~
   include/linux/init.h:267:30: note: in expansion of macro '__define_initcall'
     267 | #define device_initcall(fn)  __define_initcall(fn, 6)
         |                              ^~~~~~~~~~~~~~~~~
   include/linux/init.h:272:24: note: in expansion of macro 'device_initcall'
     272 | #define __initcall(fn) device_initcall(fn)
         |                        ^~~~~~~~~~~~~~~
   include/linux/module.h:88:24: note: in expansion of macro '__initcall'
      88 | #define module_init(x) __initcall(x);
         |                        ^~~~~~~~~~
   include/linux/platform_device.h:271:1: note: in expansion of macro 'module_init'
     271 | module_init(__platform_driver##_init); \
         | ^~~~~~~~~~~
   drivers/ide/gayle.c:185:1: note: in expansion of macro 'module_platform_driver_probe'
     185 | module_platform_driver_probe(amiga_gayle_ide_driver, amiga_gayle_ide_probe);
         | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
   In file included from include/linux/printk.h:6,
                    from include/linux/kernel.h:15,
                    from include/asm-generic/bug.h:19,
                    from arch/m68k/include/asm/bug.h:32,
                    from include/linux/bug.h:5,
                    from include/linux/mmdebug.h:5,
                    from include/linux/mm.h:9,
                    from drivers/ide/gayle.c:12:
   arch/m68k/include/asm/amigayle.h:57:16: error: expected declaration specifiers or '...' before '*' token
      57 | #define gayle (*(volatile struct GAYLE *)(zTwoBase+GAYLE_ADDRESS))
         |                ^
   include/linux/init.h:226:20: note: in definition of macro '____define_initcall'
     226 |  static initcall_t __name __used    \
         |                    ^~~~~~
   include/linux/compiler_types.h:54:22: note: in expansion of macro '___PASTE'
      54 | #define __PASTE(a,b) ___PASTE(a,b)
         |                      ^~~~~~~~
   include/linux/init.h:198:2: note: in expansion of macro '__PASTE'
     198 |  __PASTE(__,      \
         |  ^~~~~~~
   include/linux/compiler_types.h:54:22: note: in expansion of macro '___PASTE'
      54 | #define __PASTE(a,b) ___PASTE(a,b)
         |                      ^~~~~~~~
   include/linux/init.h:199:2: note: in expansion of macro '__PASTE'
     199 |  __PASTE(prefix,      \
         |  ^~~~~~~
   include/linux/compiler_types.h:54:22: note: in expansion of macro '___PASTE'
      54 | #define __PASTE(a,b) ___PASTE(a,b)
         |                      ^~~~~~~~
   include/linux/init.h:200:2: note: in expansion of macro '__PASTE'
     200 |  __PASTE(__,      \
         |  ^~~~~~~
   include/linux/compiler_types.h:54:22: note: in expansion of macro '___PASTE'
      54 | #define __PASTE(a,b) ___PASTE(a,b)

vim +57 arch/m68k/include/asm/amigayle.h

^1da177e4c3f41 include/asm-m68k/amigayle.h Linus Torvalds 2005-04-16  53  
^1da177e4c3f41 include/asm-m68k/amigayle.h Linus Torvalds 2005-04-16  54  #define GAYLE_RESET	(0xa40000)	/* write 0x00 to start reset,
^1da177e4c3f41 include/asm-m68k/amigayle.h Linus Torvalds 2005-04-16  55                                             read 1 byte to stop reset */
^1da177e4c3f41 include/asm-m68k/amigayle.h Linus Torvalds 2005-04-16  56  
^1da177e4c3f41 include/asm-m68k/amigayle.h Linus Torvalds 2005-04-16 @57  #define gayle (*(volatile struct GAYLE *)(zTwoBase+GAYLE_ADDRESS))
^1da177e4c3f41 include/asm-m68k/amigayle.h Linus Torvalds 2005-04-16  58  #define gayle_reset (*(volatile u_char *)(zTwoBase+GAYLE_RESET))
^1da177e4c3f41 include/asm-m68k/amigayle.h Linus Torvalds 2005-04-16  59  

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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  parent reply index

Thread overview: 124+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-24 20:31 [PATCH 00/22] add support for Clang LTO Sami Tolvanen
2020-06-24 20:31 ` [PATCH 01/22] objtool: use sh_info to find the base for .rela sections Sami Tolvanen
2020-06-24 20:31 ` [PATCH 02/22] kbuild: add support for Clang LTO Sami Tolvanen
2020-06-24 20:53   ` Nick Desaulniers
2020-06-24 21:29     ` Sami Tolvanen
2020-06-25  2:26   ` Nathan Chancellor
2020-06-25 16:13     ` Sami Tolvanen
2020-06-24 20:31 ` [PATCH 03/22] kbuild: lto: fix module versioning Sami Tolvanen
2020-06-24 20:31 ` [PATCH 04/22] kbuild: lto: fix recordmcount Sami Tolvanen
2020-06-24 21:27   ` Peter Zijlstra
2020-06-24 21:45     ` Sami Tolvanen
2020-06-25  7:45       ` Peter Zijlstra
2020-06-25 16:15         ` Sami Tolvanen
2020-06-25 20:02           ` [RFC][PATCH] objtool,x86_64: Replace recordmcount with objtool Peter Zijlstra
2020-06-25 20:54             ` Nick Desaulniers
2020-06-25 22:40             ` Sami Tolvanen
2020-06-26 11:29               ` Peter Zijlstra
2020-06-26 11:42                 ` Peter Zijlstra
2020-07-17 17:28                 ` Sami Tolvanen
2020-07-17 17:36                   ` Steven Rostedt
2020-07-17 17:47                     ` Sami Tolvanen
2020-07-17 18:05                       ` Steven Rostedt
2020-07-20 16:52                         ` Sami Tolvanen
2020-07-22 17:58                           ` Steven Rostedt
2020-07-22 18:07                             ` Sami Tolvanen
2020-07-22 17:55                 ` Steven Rostedt
2020-07-22 18:41                   ` Peter Zijlstra
2020-07-22 19:09                     ` Steven Rostedt
2020-07-22 20:03                       ` Sami Tolvanen
2020-07-22 23:56                       ` Peter Zijlstra
2020-07-23  0:06                         ` Steven Rostedt
2020-08-06 22:09                           ` Sami Tolvanen
2020-06-24 20:31 ` [PATCH 05/22] kbuild: lto: postpone objtool Sami Tolvanen
2020-06-24 21:19   ` Peter Zijlstra
2020-06-24 21:49     ` Sami Tolvanen
2020-06-25  7:47       ` Peter Zijlstra
2020-06-25 16:22         ` Sami Tolvanen
2020-06-25 18:33           ` Peter Zijlstra
2020-06-25 19:32             ` Sami Tolvanen
2020-06-24 20:31 ` [PATCH 06/22] kbuild: lto: limit inlining Sami Tolvanen
2020-06-24 21:20   ` Peter Zijlstra
2020-06-24 23:37     ` Sami Tolvanen
2020-06-24 20:31 ` [PATCH 07/22] kbuild: lto: merge module sections Sami Tolvanen
2020-06-24 21:01   ` Nick Desaulniers
2020-06-24 21:31     ` Sami Tolvanen
2020-06-24 20:31 ` [PATCH 08/22] kbuild: lto: remove duplicate dependencies from .mod files Sami Tolvanen
2020-06-24 21:13   ` Nick Desaulniers
2020-06-24 20:31 ` [PATCH 09/22] init: lto: ensure initcall ordering Sami Tolvanen
2020-06-25  0:58   ` kernel test robot
2020-06-25  4:19   ` kernel test robot [this message]
2020-06-24 20:31 ` [PATCH 10/22] init: lto: fix PREL32 relocations Sami Tolvanen
2020-06-24 20:31 ` [PATCH 11/22] pci: " Sami Tolvanen
2020-06-24 22:49   ` kernel test robot
2020-06-24 23:03     ` Nick Desaulniers
2020-06-24 23:21       ` Sami Tolvanen
2020-07-17 20:26   ` Bjorn Helgaas
2020-07-22 18:15     ` Sami Tolvanen
2020-06-24 20:31 ` [PATCH 12/22] modpost: lto: strip .lto from module names Sami Tolvanen
2020-06-24 22:05   ` Nick Desaulniers
2020-06-24 20:31 ` [PATCH 13/22] scripts/mod: disable LTO for empty.c Sami Tolvanen
2020-06-24 20:57   ` Nick Desaulniers
2020-06-24 20:31 ` [PATCH 14/22] efi/libstub: disable LTO Sami Tolvanen
2020-06-24 20:31 ` [PATCH 15/22] drivers/misc/lkdtm: disable LTO for rodata.o Sami Tolvanen
2020-06-24 20:31 ` [PATCH 16/22] arm64: export CC_USING_PATCHABLE_FUNCTION_ENTRY Sami Tolvanen
2020-06-24 20:31 ` [PATCH 17/22] arm64: vdso: disable LTO Sami Tolvanen
2020-06-24 20:58   ` Nick Desaulniers
2020-06-24 21:09     ` Nick Desaulniers
2020-06-24 23:51       ` Andi Kleen
2020-06-24 21:52     ` Sami Tolvanen
2020-06-24 23:05       ` Nick Desaulniers
2020-06-24 23:39         ` Sami Tolvanen
2020-06-24 20:31 ` [PATCH 18/22] arm64: allow LTO_CLANG and THINLTO to be selected Sami Tolvanen
2020-06-24 20:31 ` [PATCH 19/22] x86, vdso: disable LTO only for vDSO Sami Tolvanen
2020-06-24 20:31 ` [PATCH 20/22] x86, ftrace: disable recordmcount for ftrace_make_nop Sami Tolvanen
2020-06-24 20:31 ` [PATCH 21/22] x86, relocs: Ignore L4_PAGE_OFFSET relocations Sami Tolvanen
2020-06-24 20:32 ` [PATCH 22/22] x86, build: allow LTO_CLANG and THINLTO to be selected Sami Tolvanen
2020-06-24 21:15 ` [PATCH 00/22] add support for Clang LTO Peter Zijlstra
2020-06-24 21:30   ` Sami Tolvanen
2020-06-25  8:27     ` Will Deacon
2020-06-24 21:31   ` Nick Desaulniers
2020-06-25  8:03     ` Peter Zijlstra
2020-06-25  8:24       ` Peter Zijlstra
2020-06-25  8:57         ` Peter Zijlstra
2020-06-30 19:19           ` Marco Elver
2020-06-30 20:12             ` Peter Zijlstra
2020-06-30 20:30               ` Paul E. McKenney
2020-07-01  9:10                 ` Peter Zijlstra
2020-07-01 14:20                   ` David Laight
2020-07-01 16:06                     ` Paul E. McKenney
2020-07-02  9:37                       ` David Laight
2020-07-02 18:00                         ` Paul E. McKenney
2020-07-01  9:41                 ` Marco Elver
2020-07-01 10:03                   ` Will Deacon
2020-07-01 11:40                   ` Peter Zijlstra
2020-07-01 14:06                     ` Paul E. McKenney
2020-07-01 15:05                       ` Peter Zijlstra
2020-07-01 16:03                         ` Paul E. McKenney
2020-07-02  8:20                           ` Peter Zijlstra
2020-07-02 17:59                             ` Paul E. McKenney
2020-07-03 13:13                               ` Peter Zijlstra
2020-07-03 13:25                                 ` Peter Zijlstra
2020-07-03 14:51                                   ` Paul E. McKenney
2020-07-03 14:42                                 ` Paul E. McKenney
2020-07-06 16:26                                   ` Paul E. McKenney
2020-07-06 18:29                                     ` Peter Zijlstra
2020-07-06 18:39                                       ` Paul E. McKenney
2020-07-06 19:40                                         ` Peter Zijlstra
2020-07-06 23:41                                           ` Paul E. McKenney
2020-06-28 16:56 ` Masahiro Yamada
2020-06-29 23:20   ` Sami Tolvanen
2020-07-07 15:51     ` Sami Tolvanen
2020-07-07 16:05       ` Sami Tolvanen
2020-07-07 16:56         ` Jakub Kicinski
2020-07-07 17:17           ` Nick Desaulniers
2020-07-07 17:30             ` Jakub Kicinski
2020-07-11 16:32 ` Paul Menzel
2020-07-12  8:59   ` Sedat Dilek
2020-07-12 18:40     ` Nathan Chancellor
2020-07-14  9:44       ` Sedat Dilek
2020-07-14 17:54         ` Nick Desaulniers
2020-07-12 23:34   ` Sami Tolvanen
2020-07-14 12:16     ` Paul Menzel
2020-07-14 12:35       ` Sedat Dilek
2020-07-14 13:40         ` Paul Menzel

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