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From: kbuild test robot <lkp@intel.com>
To: Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	linux-kernel@vger.kernel.org,
	Steven Rostedt <rostedt@goodmis.org>,
	Rasmus Villemoes <linux@rasmusvillemoes.dk>,
	Joe Perches <joe@perches.com>
Cc: kbuild-all@lists.01.org,
	Linux Memory Management List <linux-mm@kvack.org>,
	Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Subject: Re: [PATCH v4 6/7] kernel.h: Split out panic and oops helpers
Date: Sat, 25 Apr 2020 01:04:35 +0800	[thread overview]
Message-ID: <202004250022.Ix9vGhzp%lkp@intel.com> (raw)
In-Reply-To: <20200422125201.37618-6-andriy.shevchenko@linux.intel.com>

[-- Attachment #1: Type: text/plain, Size: 12664 bytes --]

Hi Andy,

I love your patch! Yet something to improve:

[auto build test ERROR on next-20200423]
[cannot apply to tip/locking/core rcu/dev linus/master tip/x86/core v5.7-rc2 v5.7-rc1 v5.6 v5.7-rc2]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url:    https://github.com/0day-ci/linux/commits/Andy-Shevchenko/drm-shmobile-Reduce-include-dependencies/20200424-044529
base:    aefe184e814492e36b2ca350c1522bd71b09b520
config: powerpc-allnoconfig (attached as .config)
compiler: powerpc-linux-gcc (GCC) 9.3.0
reproduce:
        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 GCC_VERSION=9.3.0 make.cross ARCH=powerpc 

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

All error/warnings (new ones prefixed by >>):

   arch/powerpc/kernel/setup-common.c: In function 'setup_panic':
>> arch/powerpc/kernel/setup-common.c:737:35: error: 'panic_notifier_list' undeclared (first use in this function); did you mean 'reboot_notifier_list'?
     737 |   atomic_notifier_chain_register(&panic_notifier_list,
         |                                   ^~~~~~~~~~~~~~~~~~~
         |                                   reboot_notifier_list
   arch/powerpc/kernel/setup-common.c:737:35: note: each undeclared identifier is reported only once for each function it appears in
--
   In file included from arch/powerpc/include/asm/atomic.h:11,
                    from include/linux/atomic.h:7,
                    from include/linux/jump_label.h:249,
                    from arch/powerpc/lib/feature-fixups.c:12:
   arch/powerpc/include/asm/cmpxchg.h: In function '__xchg_u8_local':
>> arch/powerpc/include/asm/cmpxchg.h:12:61: error: 'BITS_PER_BYTE' undeclared (first use in this function); did you mean 'BITS_PER_LONG'?
      12 | #define BITOFF_CAL(size, off) ((sizeof(u32) - size - off) * BITS_PER_BYTE)
         |                                                             ^~~~~~~~~~~~~
>> arch/powerpc/include/asm/cmpxchg.h:23:11: note: in expansion of macro 'BITOFF_CAL'
      23 |  bitoff = BITOFF_CAL(sizeof(type), off);   \
         |           ^~~~~~~~~~
>> arch/powerpc/include/asm/cmpxchg.h:83:1: note: in expansion of macro 'XCHG_GEN'
      83 | XCHG_GEN(u8, _local, "memory");
         | ^~~~~~~~
   arch/powerpc/include/asm/cmpxchg.h:12:61: note: each undeclared identifier is reported only once for each function it appears in
      12 | #define BITOFF_CAL(size, off) ((sizeof(u32) - size - off) * BITS_PER_BYTE)
         |                                                             ^~~~~~~~~~~~~
>> arch/powerpc/include/asm/cmpxchg.h:23:11: note: in expansion of macro 'BITOFF_CAL'
      23 |  bitoff = BITOFF_CAL(sizeof(type), off);   \
         |           ^~~~~~~~~~
>> arch/powerpc/include/asm/cmpxchg.h:83:1: note: in expansion of macro 'XCHG_GEN'
      83 | XCHG_GEN(u8, _local, "memory");
         | ^~~~~~~~
   arch/powerpc/include/asm/cmpxchg.h: In function '__xchg_u8_relaxed':
>> arch/powerpc/include/asm/cmpxchg.h:12:61: error: 'BITS_PER_BYTE' undeclared (first use in this function); did you mean 'BITS_PER_LONG'?
      12 | #define BITOFF_CAL(size, off) ((sizeof(u32) - size - off) * BITS_PER_BYTE)
         |                                                             ^~~~~~~~~~~~~
>> arch/powerpc/include/asm/cmpxchg.h:23:11: note: in expansion of macro 'BITOFF_CAL'
      23 |  bitoff = BITOFF_CAL(sizeof(type), off);   \
         |           ^~~~~~~~~~
   arch/powerpc/include/asm/cmpxchg.h:84:1: note: in expansion of macro 'XCHG_GEN'
      84 | XCHG_GEN(u8, _relaxed, "cc");
         | ^~~~~~~~
   arch/powerpc/include/asm/cmpxchg.h: In function '__xchg_u16_local':
>> arch/powerpc/include/asm/cmpxchg.h:12:61: error: 'BITS_PER_BYTE' undeclared (first use in this function); did you mean 'BITS_PER_LONG'?
      12 | #define BITOFF_CAL(size, off) ((sizeof(u32) - size - off) * BITS_PER_BYTE)
         |                                                             ^~~~~~~~~~~~~
>> arch/powerpc/include/asm/cmpxchg.h:23:11: note: in expansion of macro 'BITOFF_CAL'
      23 |  bitoff = BITOFF_CAL(sizeof(type), off);   \
         |           ^~~~~~~~~~
   arch/powerpc/include/asm/cmpxchg.h:85:1: note: in expansion of macro 'XCHG_GEN'
      85 | XCHG_GEN(u16, _local, "memory");
         | ^~~~~~~~
   arch/powerpc/include/asm/cmpxchg.h: In function '__xchg_u16_relaxed':
>> arch/powerpc/include/asm/cmpxchg.h:12:61: error: 'BITS_PER_BYTE' undeclared (first use in this function); did you mean 'BITS_PER_LONG'?
      12 | #define BITOFF_CAL(size, off) ((sizeof(u32) - size - off) * BITS_PER_BYTE)
         |                                                             ^~~~~~~~~~~~~
>> arch/powerpc/include/asm/cmpxchg.h:23:11: note: in expansion of macro 'BITOFF_CAL'
      23 |  bitoff = BITOFF_CAL(sizeof(type), off);   \
         |           ^~~~~~~~~~
   arch/powerpc/include/asm/cmpxchg.h:86:1: note: in expansion of macro 'XCHG_GEN'
      86 | XCHG_GEN(u16, _relaxed, "cc");
         | ^~~~~~~~
   arch/powerpc/include/asm/cmpxchg.h: In function '__cmpxchg_u8':
>> arch/powerpc/include/asm/cmpxchg.h:12:61: error: 'BITS_PER_BYTE' undeclared (first use in this function); did you mean 'BITS_PER_LONG'?
      12 | #define BITOFF_CAL(size, off) ((sizeof(u32) - size - off) * BITS_PER_BYTE)
         |                                                             ^~~~~~~~~~~~~
   arch/powerpc/include/asm/cmpxchg.h:49:11: note: in expansion of macro 'BITOFF_CAL'
      49 |  bitoff = BITOFF_CAL(sizeof(type), off);   \
         |           ^~~~~~~~~~
>> arch/powerpc/include/asm/cmpxchg.h:213:1: note: in expansion of macro 'CMPXCHG_GEN'
     213 | CMPXCHG_GEN(u8, , PPC_ATOMIC_ENTRY_BARRIER, PPC_ATOMIC_EXIT_BARRIER, "memory");
         | ^~~~~~~~~~~
   arch/powerpc/include/asm/cmpxchg.h: In function '__cmpxchg_u8_local':
>> arch/powerpc/include/asm/cmpxchg.h:12:61: error: 'BITS_PER_BYTE' undeclared (first use in this function); did you mean 'BITS_PER_LONG'?
      12 | #define BITOFF_CAL(size, off) ((sizeof(u32) - size - off) * BITS_PER_BYTE)
         |                                                             ^~~~~~~~~~~~~
   arch/powerpc/include/asm/cmpxchg.h:49:11: note: in expansion of macro 'BITOFF_CAL'
      49 |  bitoff = BITOFF_CAL(sizeof(type), off);   \
         |           ^~~~~~~~~~
   arch/powerpc/include/asm/cmpxchg.h:214:1: note: in expansion of macro 'CMPXCHG_GEN'
     214 | CMPXCHG_GEN(u8, _local, , , "memory");
         | ^~~~~~~~~~~
   arch/powerpc/include/asm/cmpxchg.h: In function '__cmpxchg_u8_acquire':
>> arch/powerpc/include/asm/cmpxchg.h:12:61: error: 'BITS_PER_BYTE' undeclared (first use in this function); did you mean 'BITS_PER_LONG'?
      12 | #define BITOFF_CAL(size, off) ((sizeof(u32) - size - off) * BITS_PER_BYTE)
         |                                                             ^~~~~~~~~~~~~
   arch/powerpc/include/asm/cmpxchg.h:49:11: note: in expansion of macro 'BITOFF_CAL'
      49 |  bitoff = BITOFF_CAL(sizeof(type), off);   \
         |           ^~~~~~~~~~
   arch/powerpc/include/asm/cmpxchg.h:215:1: note: in expansion of macro 'CMPXCHG_GEN'
     215 | CMPXCHG_GEN(u8, _acquire, , PPC_ACQUIRE_BARRIER, "memory");
         | ^~~~~~~~~~~
   arch/powerpc/include/asm/cmpxchg.h: In function '__cmpxchg_u8_relaxed':
>> arch/powerpc/include/asm/cmpxchg.h:12:61: error: 'BITS_PER_BYTE' undeclared (first use in this function); did you mean 'BITS_PER_LONG'?
      12 | #define BITOFF_CAL(size, off) ((sizeof(u32) - size - off) * BITS_PER_BYTE)
         |                                                             ^~~~~~~~~~~~~
   arch/powerpc/include/asm/cmpxchg.h:49:11: note: in expansion of macro 'BITOFF_CAL'
      49 |  bitoff = BITOFF_CAL(sizeof(type), off);   \
         |           ^~~~~~~~~~
   arch/powerpc/include/asm/cmpxchg.h:216:1: note: in expansion of macro 'CMPXCHG_GEN'
     216 | CMPXCHG_GEN(u8, _relaxed, , , "cc");
         | ^~~~~~~~~~~
   arch/powerpc/include/asm/cmpxchg.h: In function '__cmpxchg_u16':
>> arch/powerpc/include/asm/cmpxchg.h:12:61: error: 'BITS_PER_BYTE' undeclared (first use in this function); did you mean 'BITS_PER_LONG'?
      12 | #define BITOFF_CAL(size, off) ((sizeof(u32) - size - off) * BITS_PER_BYTE)
         |                                                             ^~~~~~~~~~~~~
   arch/powerpc/include/asm/cmpxchg.h:49:11: note: in expansion of macro 'BITOFF_CAL'
      49 |  bitoff = BITOFF_CAL(sizeof(type), off);   \
         |           ^~~~~~~~~~
   arch/powerpc/include/asm/cmpxchg.h:217:1: note: in expansion of macro 'CMPXCHG_GEN'
     217 | CMPXCHG_GEN(u16, , PPC_ATOMIC_ENTRY_BARRIER, PPC_ATOMIC_EXIT_BARRIER, "memory");
         | ^~~~~~~~~~~
   arch/powerpc/include/asm/cmpxchg.h: In function '__cmpxchg_u16_local':
>> arch/powerpc/include/asm/cmpxchg.h:12:61: error: 'BITS_PER_BYTE' undeclared (first use in this function); did you mean 'BITS_PER_LONG'?
      12 | #define BITOFF_CAL(size, off) ((sizeof(u32) - size - off) * BITS_PER_BYTE)
         |                                                             ^~~~~~~~~~~~~
   arch/powerpc/include/asm/cmpxchg.h:49:11: note: in expansion of macro 'BITOFF_CAL'
      49 |  bitoff = BITOFF_CAL(sizeof(type), off);   \
         |           ^~~~~~~~~~
   arch/powerpc/include/asm/cmpxchg.h:218:1: note: in expansion of macro 'CMPXCHG_GEN'
     218 | CMPXCHG_GEN(u16, _local, , , "memory");
         | ^~~~~~~~~~~
   arch/powerpc/include/asm/cmpxchg.h: In function '__cmpxchg_u16_acquire':
>> arch/powerpc/include/asm/cmpxchg.h:12:61: error: 'BITS_PER_BYTE' undeclared (first use in this function); did you mean 'BITS_PER_LONG'?
      12 | #define BITOFF_CAL(size, off) ((sizeof(u32) - size - off) * BITS_PER_BYTE)
         |                                                             ^~~~~~~~~~~~~
   arch/powerpc/include/asm/cmpxchg.h:49:11: note: in expansion of macro 'BITOFF_CAL'
      49 |  bitoff = BITOFF_CAL(sizeof(type), off);   \
         |           ^~~~~~~~~~
   arch/powerpc/include/asm/cmpxchg.h:219:1: note: in expansion of macro 'CMPXCHG_GEN'
     219 | CMPXCHG_GEN(u16, _acquire, , PPC_ACQUIRE_BARRIER, "memory");
         | ^~~~~~~~~~~
   arch/powerpc/include/asm/cmpxchg.h: In function '__cmpxchg_u16_relaxed':
>> arch/powerpc/include/asm/cmpxchg.h:12:61: error: 'BITS_PER_BYTE' undeclared (first use in this function); did you mean 'BITS_PER_LONG'?
      12 | #define BITOFF_CAL(size, off) ((sizeof(u32) - size - off) * BITS_PER_BYTE)
         |                                                             ^~~~~~~~~~~~~
   arch/powerpc/include/asm/cmpxchg.h:49:11: note: in expansion of macro 'BITOFF_CAL'
      49 |  bitoff = BITOFF_CAL(sizeof(type), off);   \
         |           ^~~~~~~~~~
   arch/powerpc/include/asm/cmpxchg.h:220:1: note: in expansion of macro 'CMPXCHG_GEN'
     220 | CMPXCHG_GEN(u16, _relaxed, , , "cc");
         | ^~~~~~~~~~~

vim +737 arch/powerpc/kernel/setup-common.c

921a79b7802078 Jason Yan       2019-09-20  733  
ab9dbf771ff9b6 David Gibson    2017-12-04  734  void __init setup_panic(void)
ab9dbf771ff9b6 David Gibson    2017-12-04  735  {
921a79b7802078 Jason Yan       2019-09-20  736  	if (IS_ENABLED(CONFIG_RANDOMIZE_BASE) && kaslr_offset() > 0)
921a79b7802078 Jason Yan       2019-09-20 @737  		atomic_notifier_chain_register(&panic_notifier_list,
921a79b7802078 Jason Yan       2019-09-20  738  					       &kernel_offset_notifier);
921a79b7802078 Jason Yan       2019-09-20  739  
855b6232dda2b6 Nicholas Piggin 2018-05-19  740  	/* PPC64 always does a hard irq disable in its panic handler */
855b6232dda2b6 Nicholas Piggin 2018-05-19  741  	if (!IS_ENABLED(CONFIG_PPC64) && !ppc_md.panic)
ab9dbf771ff9b6 David Gibson    2017-12-04  742  		return;
ab9dbf771ff9b6 David Gibson    2017-12-04  743  	atomic_notifier_chain_register(&panic_notifier_list, &ppc_panic_block);
ab9dbf771ff9b6 David Gibson    2017-12-04  744  }
ab9dbf771ff9b6 David Gibson    2017-12-04  745  

:::::: The code at line 737 was first introduced by commit
:::::: 921a79b7802078fab3787c7eae561536906cb8f3 powerpc/fsl_booke/kaslr: dump out kernel offset information on panic

:::::: TO: Jason Yan <yanaijie@huawei.com>
:::::: CC: Michael Ellerman <mpe@ellerman.id.au>

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

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WARNING: multiple messages have this Message-ID (diff)
From: kbuild test robot <lkp@intel.com>
To: kbuild-all@lists.01.org
Subject: Re: [PATCH v4 6/7] kernel.h: Split out panic and oops helpers
Date: Sat, 25 Apr 2020 01:04:35 +0800	[thread overview]
Message-ID: <202004250022.Ix9vGhzp%lkp@intel.com> (raw)
In-Reply-To: <20200422125201.37618-6-andriy.shevchenko@linux.intel.com>

[-- Attachment #1: Type: text/plain, Size: 12857 bytes --]

Hi Andy,

I love your patch! Yet something to improve:

[auto build test ERROR on next-20200423]
[cannot apply to tip/locking/core rcu/dev linus/master tip/x86/core v5.7-rc2 v5.7-rc1 v5.6 v5.7-rc2]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url:    https://github.com/0day-ci/linux/commits/Andy-Shevchenko/drm-shmobile-Reduce-include-dependencies/20200424-044529
base:    aefe184e814492e36b2ca350c1522bd71b09b520
config: powerpc-allnoconfig (attached as .config)
compiler: powerpc-linux-gcc (GCC) 9.3.0
reproduce:
        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 GCC_VERSION=9.3.0 make.cross ARCH=powerpc 

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

All error/warnings (new ones prefixed by >>):

   arch/powerpc/kernel/setup-common.c: In function 'setup_panic':
>> arch/powerpc/kernel/setup-common.c:737:35: error: 'panic_notifier_list' undeclared (first use in this function); did you mean 'reboot_notifier_list'?
     737 |   atomic_notifier_chain_register(&panic_notifier_list,
         |                                   ^~~~~~~~~~~~~~~~~~~
         |                                   reboot_notifier_list
   arch/powerpc/kernel/setup-common.c:737:35: note: each undeclared identifier is reported only once for each function it appears in
--
   In file included from arch/powerpc/include/asm/atomic.h:11,
                    from include/linux/atomic.h:7,
                    from include/linux/jump_label.h:249,
                    from arch/powerpc/lib/feature-fixups.c:12:
   arch/powerpc/include/asm/cmpxchg.h: In function '__xchg_u8_local':
>> arch/powerpc/include/asm/cmpxchg.h:12:61: error: 'BITS_PER_BYTE' undeclared (first use in this function); did you mean 'BITS_PER_LONG'?
      12 | #define BITOFF_CAL(size, off) ((sizeof(u32) - size - off) * BITS_PER_BYTE)
         |                                                             ^~~~~~~~~~~~~
>> arch/powerpc/include/asm/cmpxchg.h:23:11: note: in expansion of macro 'BITOFF_CAL'
      23 |  bitoff = BITOFF_CAL(sizeof(type), off);   \
         |           ^~~~~~~~~~
>> arch/powerpc/include/asm/cmpxchg.h:83:1: note: in expansion of macro 'XCHG_GEN'
      83 | XCHG_GEN(u8, _local, "memory");
         | ^~~~~~~~
   arch/powerpc/include/asm/cmpxchg.h:12:61: note: each undeclared identifier is reported only once for each function it appears in
      12 | #define BITOFF_CAL(size, off) ((sizeof(u32) - size - off) * BITS_PER_BYTE)
         |                                                             ^~~~~~~~~~~~~
>> arch/powerpc/include/asm/cmpxchg.h:23:11: note: in expansion of macro 'BITOFF_CAL'
      23 |  bitoff = BITOFF_CAL(sizeof(type), off);   \
         |           ^~~~~~~~~~
>> arch/powerpc/include/asm/cmpxchg.h:83:1: note: in expansion of macro 'XCHG_GEN'
      83 | XCHG_GEN(u8, _local, "memory");
         | ^~~~~~~~
   arch/powerpc/include/asm/cmpxchg.h: In function '__xchg_u8_relaxed':
>> arch/powerpc/include/asm/cmpxchg.h:12:61: error: 'BITS_PER_BYTE' undeclared (first use in this function); did you mean 'BITS_PER_LONG'?
      12 | #define BITOFF_CAL(size, off) ((sizeof(u32) - size - off) * BITS_PER_BYTE)
         |                                                             ^~~~~~~~~~~~~
>> arch/powerpc/include/asm/cmpxchg.h:23:11: note: in expansion of macro 'BITOFF_CAL'
      23 |  bitoff = BITOFF_CAL(sizeof(type), off);   \
         |           ^~~~~~~~~~
   arch/powerpc/include/asm/cmpxchg.h:84:1: note: in expansion of macro 'XCHG_GEN'
      84 | XCHG_GEN(u8, _relaxed, "cc");
         | ^~~~~~~~
   arch/powerpc/include/asm/cmpxchg.h: In function '__xchg_u16_local':
>> arch/powerpc/include/asm/cmpxchg.h:12:61: error: 'BITS_PER_BYTE' undeclared (first use in this function); did you mean 'BITS_PER_LONG'?
      12 | #define BITOFF_CAL(size, off) ((sizeof(u32) - size - off) * BITS_PER_BYTE)
         |                                                             ^~~~~~~~~~~~~
>> arch/powerpc/include/asm/cmpxchg.h:23:11: note: in expansion of macro 'BITOFF_CAL'
      23 |  bitoff = BITOFF_CAL(sizeof(type), off);   \
         |           ^~~~~~~~~~
   arch/powerpc/include/asm/cmpxchg.h:85:1: note: in expansion of macro 'XCHG_GEN'
      85 | XCHG_GEN(u16, _local, "memory");
         | ^~~~~~~~
   arch/powerpc/include/asm/cmpxchg.h: In function '__xchg_u16_relaxed':
>> arch/powerpc/include/asm/cmpxchg.h:12:61: error: 'BITS_PER_BYTE' undeclared (first use in this function); did you mean 'BITS_PER_LONG'?
      12 | #define BITOFF_CAL(size, off) ((sizeof(u32) - size - off) * BITS_PER_BYTE)
         |                                                             ^~~~~~~~~~~~~
>> arch/powerpc/include/asm/cmpxchg.h:23:11: note: in expansion of macro 'BITOFF_CAL'
      23 |  bitoff = BITOFF_CAL(sizeof(type), off);   \
         |           ^~~~~~~~~~
   arch/powerpc/include/asm/cmpxchg.h:86:1: note: in expansion of macro 'XCHG_GEN'
      86 | XCHG_GEN(u16, _relaxed, "cc");
         | ^~~~~~~~
   arch/powerpc/include/asm/cmpxchg.h: In function '__cmpxchg_u8':
>> arch/powerpc/include/asm/cmpxchg.h:12:61: error: 'BITS_PER_BYTE' undeclared (first use in this function); did you mean 'BITS_PER_LONG'?
      12 | #define BITOFF_CAL(size, off) ((sizeof(u32) - size - off) * BITS_PER_BYTE)
         |                                                             ^~~~~~~~~~~~~
   arch/powerpc/include/asm/cmpxchg.h:49:11: note: in expansion of macro 'BITOFF_CAL'
      49 |  bitoff = BITOFF_CAL(sizeof(type), off);   \
         |           ^~~~~~~~~~
>> arch/powerpc/include/asm/cmpxchg.h:213:1: note: in expansion of macro 'CMPXCHG_GEN'
     213 | CMPXCHG_GEN(u8, , PPC_ATOMIC_ENTRY_BARRIER, PPC_ATOMIC_EXIT_BARRIER, "memory");
         | ^~~~~~~~~~~
   arch/powerpc/include/asm/cmpxchg.h: In function '__cmpxchg_u8_local':
>> arch/powerpc/include/asm/cmpxchg.h:12:61: error: 'BITS_PER_BYTE' undeclared (first use in this function); did you mean 'BITS_PER_LONG'?
      12 | #define BITOFF_CAL(size, off) ((sizeof(u32) - size - off) * BITS_PER_BYTE)
         |                                                             ^~~~~~~~~~~~~
   arch/powerpc/include/asm/cmpxchg.h:49:11: note: in expansion of macro 'BITOFF_CAL'
      49 |  bitoff = BITOFF_CAL(sizeof(type), off);   \
         |           ^~~~~~~~~~
   arch/powerpc/include/asm/cmpxchg.h:214:1: note: in expansion of macro 'CMPXCHG_GEN'
     214 | CMPXCHG_GEN(u8, _local, , , "memory");
         | ^~~~~~~~~~~
   arch/powerpc/include/asm/cmpxchg.h: In function '__cmpxchg_u8_acquire':
>> arch/powerpc/include/asm/cmpxchg.h:12:61: error: 'BITS_PER_BYTE' undeclared (first use in this function); did you mean 'BITS_PER_LONG'?
      12 | #define BITOFF_CAL(size, off) ((sizeof(u32) - size - off) * BITS_PER_BYTE)
         |                                                             ^~~~~~~~~~~~~
   arch/powerpc/include/asm/cmpxchg.h:49:11: note: in expansion of macro 'BITOFF_CAL'
      49 |  bitoff = BITOFF_CAL(sizeof(type), off);   \
         |           ^~~~~~~~~~
   arch/powerpc/include/asm/cmpxchg.h:215:1: note: in expansion of macro 'CMPXCHG_GEN'
     215 | CMPXCHG_GEN(u8, _acquire, , PPC_ACQUIRE_BARRIER, "memory");
         | ^~~~~~~~~~~
   arch/powerpc/include/asm/cmpxchg.h: In function '__cmpxchg_u8_relaxed':
>> arch/powerpc/include/asm/cmpxchg.h:12:61: error: 'BITS_PER_BYTE' undeclared (first use in this function); did you mean 'BITS_PER_LONG'?
      12 | #define BITOFF_CAL(size, off) ((sizeof(u32) - size - off) * BITS_PER_BYTE)
         |                                                             ^~~~~~~~~~~~~
   arch/powerpc/include/asm/cmpxchg.h:49:11: note: in expansion of macro 'BITOFF_CAL'
      49 |  bitoff = BITOFF_CAL(sizeof(type), off);   \
         |           ^~~~~~~~~~
   arch/powerpc/include/asm/cmpxchg.h:216:1: note: in expansion of macro 'CMPXCHG_GEN'
     216 | CMPXCHG_GEN(u8, _relaxed, , , "cc");
         | ^~~~~~~~~~~
   arch/powerpc/include/asm/cmpxchg.h: In function '__cmpxchg_u16':
>> arch/powerpc/include/asm/cmpxchg.h:12:61: error: 'BITS_PER_BYTE' undeclared (first use in this function); did you mean 'BITS_PER_LONG'?
      12 | #define BITOFF_CAL(size, off) ((sizeof(u32) - size - off) * BITS_PER_BYTE)
         |                                                             ^~~~~~~~~~~~~
   arch/powerpc/include/asm/cmpxchg.h:49:11: note: in expansion of macro 'BITOFF_CAL'
      49 |  bitoff = BITOFF_CAL(sizeof(type), off);   \
         |           ^~~~~~~~~~
   arch/powerpc/include/asm/cmpxchg.h:217:1: note: in expansion of macro 'CMPXCHG_GEN'
     217 | CMPXCHG_GEN(u16, , PPC_ATOMIC_ENTRY_BARRIER, PPC_ATOMIC_EXIT_BARRIER, "memory");
         | ^~~~~~~~~~~
   arch/powerpc/include/asm/cmpxchg.h: In function '__cmpxchg_u16_local':
>> arch/powerpc/include/asm/cmpxchg.h:12:61: error: 'BITS_PER_BYTE' undeclared (first use in this function); did you mean 'BITS_PER_LONG'?
      12 | #define BITOFF_CAL(size, off) ((sizeof(u32) - size - off) * BITS_PER_BYTE)
         |                                                             ^~~~~~~~~~~~~
   arch/powerpc/include/asm/cmpxchg.h:49:11: note: in expansion of macro 'BITOFF_CAL'
      49 |  bitoff = BITOFF_CAL(sizeof(type), off);   \
         |           ^~~~~~~~~~
   arch/powerpc/include/asm/cmpxchg.h:218:1: note: in expansion of macro 'CMPXCHG_GEN'
     218 | CMPXCHG_GEN(u16, _local, , , "memory");
         | ^~~~~~~~~~~
   arch/powerpc/include/asm/cmpxchg.h: In function '__cmpxchg_u16_acquire':
>> arch/powerpc/include/asm/cmpxchg.h:12:61: error: 'BITS_PER_BYTE' undeclared (first use in this function); did you mean 'BITS_PER_LONG'?
      12 | #define BITOFF_CAL(size, off) ((sizeof(u32) - size - off) * BITS_PER_BYTE)
         |                                                             ^~~~~~~~~~~~~
   arch/powerpc/include/asm/cmpxchg.h:49:11: note: in expansion of macro 'BITOFF_CAL'
      49 |  bitoff = BITOFF_CAL(sizeof(type), off);   \
         |           ^~~~~~~~~~
   arch/powerpc/include/asm/cmpxchg.h:219:1: note: in expansion of macro 'CMPXCHG_GEN'
     219 | CMPXCHG_GEN(u16, _acquire, , PPC_ACQUIRE_BARRIER, "memory");
         | ^~~~~~~~~~~
   arch/powerpc/include/asm/cmpxchg.h: In function '__cmpxchg_u16_relaxed':
>> arch/powerpc/include/asm/cmpxchg.h:12:61: error: 'BITS_PER_BYTE' undeclared (first use in this function); did you mean 'BITS_PER_LONG'?
      12 | #define BITOFF_CAL(size, off) ((sizeof(u32) - size - off) * BITS_PER_BYTE)
         |                                                             ^~~~~~~~~~~~~
   arch/powerpc/include/asm/cmpxchg.h:49:11: note: in expansion of macro 'BITOFF_CAL'
      49 |  bitoff = BITOFF_CAL(sizeof(type), off);   \
         |           ^~~~~~~~~~
   arch/powerpc/include/asm/cmpxchg.h:220:1: note: in expansion of macro 'CMPXCHG_GEN'
     220 | CMPXCHG_GEN(u16, _relaxed, , , "cc");
         | ^~~~~~~~~~~

vim +737 arch/powerpc/kernel/setup-common.c

921a79b7802078 Jason Yan       2019-09-20  733  
ab9dbf771ff9b6 David Gibson    2017-12-04  734  void __init setup_panic(void)
ab9dbf771ff9b6 David Gibson    2017-12-04  735  {
921a79b7802078 Jason Yan       2019-09-20  736  	if (IS_ENABLED(CONFIG_RANDOMIZE_BASE) && kaslr_offset() > 0)
921a79b7802078 Jason Yan       2019-09-20 @737  		atomic_notifier_chain_register(&panic_notifier_list,
921a79b7802078 Jason Yan       2019-09-20  738  					       &kernel_offset_notifier);
921a79b7802078 Jason Yan       2019-09-20  739  
855b6232dda2b6 Nicholas Piggin 2018-05-19  740  	/* PPC64 always does a hard irq disable in its panic handler */
855b6232dda2b6 Nicholas Piggin 2018-05-19  741  	if (!IS_ENABLED(CONFIG_PPC64) && !ppc_md.panic)
ab9dbf771ff9b6 David Gibson    2017-12-04  742  		return;
ab9dbf771ff9b6 David Gibson    2017-12-04  743  	atomic_notifier_chain_register(&panic_notifier_list, &ppc_panic_block);
ab9dbf771ff9b6 David Gibson    2017-12-04  744  }
ab9dbf771ff9b6 David Gibson    2017-12-04  745  

:::::: The code at line 737 was first introduced by commit
:::::: 921a79b7802078fab3787c7eae561536906cb8f3 powerpc/fsl_booke/kaslr: dump out kernel offset information on panic

:::::: TO: Jason Yan <yanaijie@huawei.com>
:::::: CC: Michael Ellerman <mpe@ellerman.id.au>

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

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  reply	other threads:[~2020-04-24 17:05 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-22 12:51 [PATCH v4 1/7] drm: shmobile: Reduce include dependencies Andy Shevchenko
2020-04-22 12:51 ` [PATCH v4 2/7] kernel.h: Drop unneeded <linux/kernel.h> inclusion from other headers Andy Shevchenko
2020-04-22 12:51 ` [PATCH v4 3/7] kernel.h: Move oops_in_progress to printk.h Andy Shevchenko
2020-04-22 12:51 ` [PATCH v4 4/7] kernel.h: Split out min()/max() et al helpers Andy Shevchenko
2020-04-22 14:52   ` Joe Perches
2020-04-22 15:44     ` Andy Shevchenko
2020-04-22 15:51       ` Joe Perches
2020-04-23  9:33     ` Rasmus Villemoes
2020-04-22 12:51 ` [PATCH v4 5/7] kernel.h: Split out mathematical helpers Andy Shevchenko
2020-04-22 12:52 ` [PATCH v4 6/7] kernel.h: Split out panic and oops helpers Andy Shevchenko
2020-04-24 17:04   ` kbuild test robot [this message]
2020-04-24 17:04     ` kbuild test robot
2020-04-24 17:27   ` kbuild test robot
2020-04-24 17:27     ` kbuild test robot
2020-04-22 12:52 ` [PATCH v4 7/7] kernel.h: Split out might_sleep() and friends Andy Shevchenko
2020-04-24 15:49   ` kbuild test robot
2020-04-24 15:49     ` kbuild test robot
2020-04-24 17:45   ` kbuild test robot
2020-04-24 17:45     ` kbuild test robot

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