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From: kbuild test robot <lkp@intel.com>
To: Daniel Axtens <dja@axtens.net>
Cc: linux-arch@vger.kernel.org, linux-xtensa@linux-xtensa.org,
	kbuild-all@lists.01.org, linux-s390@vger.kernel.org,
	aneesh.kumar@linux.ibm.com, linux-kernel@vger.kernel.org,
	kasan-dev@googlegroups.com, linux-mm@kvack.org,
	linuxppc-dev@lists.ozlabs.org,
	linux-arm-kernel@lists.infradead.org,
	Daniel Axtens <dja@axtens.net>
Subject: Re: [PATCH v2 1/4] mm: define MAX_PTRS_PER_{PTE,PMD,PUD}
Date: Tue, 10 Dec 2019 18:39:36 +0800	[thread overview]
Message-ID: <201912101817.oYkeqYfv%lkp@intel.com> (raw)
In-Reply-To: <20191210044714.27265-2-dja@axtens.net>

[-- Attachment #1: Type: text/plain, Size: 8148 bytes --]

Hi Daniel,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on next-20191209]
[also build test WARNING on linus/master v5.5-rc1]
[cannot apply to powerpc/next asm-generic/master v5.4]
[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/Daniel-Axtens/KASAN-for-powerpc64-radix-plus-generic-mm-change/20191210-171342
base:    6cf8298daad041cd15dc514d8a4f93ca3636c84e
config: i386-tinyconfig (attached as .config)
compiler: gcc-7 (Debian 7.5.0-1) 7.5.0
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

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

All warnings (new ones prefixed by >>):

   In file included from arch/x86/include/asm/pgtable_types.h:359:0,
                    from arch/x86/include/asm/processor.h:20,
                    from arch/x86/include/asm/cpufeature.h:5,
                    from arch/x86/include/asm/thread_info.h:53,
                    from include/linux/thread_info.h:38,
                    from arch/x86/include/asm/preempt.h:7,
                    from include/linux/preempt.h:78,
                    from include/linux/spinlock.h:51,
                    from include/linux/mmzone.h:8,
                    from include/linux/gfp.h:6,
                    from include/linux/slab.h:15,
                    from include/linux/crypto.h:19,
                    from arch/x86/kernel/asm-offsets.c:9:
>> include/asm-generic/pgtable-nopud.h:22:0: warning: "MAX_PTRS_PER_PUD" redefined
    #define MAX_PTRS_PER_PUD 1
    
   In file included from arch/x86/include/asm/processor.h:20:0,
                    from arch/x86/include/asm/cpufeature.h:5,
                    from arch/x86/include/asm/thread_info.h:53,
                    from include/linux/thread_info.h:38,
                    from arch/x86/include/asm/preempt.h:7,
                    from include/linux/preempt.h:78,
                    from include/linux/spinlock.h:51,
                    from include/linux/mmzone.h:8,
                    from include/linux/gfp.h:6,
                    from include/linux/slab.h:15,
                    from include/linux/crypto.h:19,
                    from arch/x86/kernel/asm-offsets.c:9:
   arch/x86/include/asm/pgtable_types.h:261:0: note: this is the location of the previous definition
    #define MAX_PTRS_PER_PUD PTRS_PER_PUD
    
   In file included from arch/x86/include/asm/pgtable_types.h:385:0,
                    from arch/x86/include/asm/processor.h:20,
                    from arch/x86/include/asm/cpufeature.h:5,
                    from arch/x86/include/asm/thread_info.h:53,
                    from include/linux/thread_info.h:38,
                    from arch/x86/include/asm/preempt.h:7,
                    from include/linux/preempt.h:78,
                    from include/linux/spinlock.h:51,
                    from include/linux/mmzone.h:8,
                    from include/linux/gfp.h:6,
                    from include/linux/slab.h:15,
                    from include/linux/crypto.h:19,
                    from arch/x86/kernel/asm-offsets.c:9:
>> include/asm-generic/pgtable-nopmd.h:21:0: warning: "MAX_PTRS_PER_PMD" redefined
    #define MAX_PTRS_PER_PMD 1
    
   In file included from arch/x86/include/asm/processor.h:20:0,
                    from arch/x86/include/asm/cpufeature.h:5,
                    from arch/x86/include/asm/thread_info.h:53,
                    from include/linux/thread_info.h:38,
                    from arch/x86/include/asm/preempt.h:7,
                    from include/linux/preempt.h:78,
                    from include/linux/spinlock.h:51,
                    from include/linux/mmzone.h:8,
                    from include/linux/gfp.h:6,
                    from include/linux/slab.h:15,
                    from include/linux/crypto.h:19,
                    from arch/x86/kernel/asm-offsets.c:9:
   arch/x86/include/asm/pgtable_types.h:262:0: note: this is the location of the previous definition
    #define MAX_PTRS_PER_PMD PTRS_PER_PMD
    
--
   In file included from arch/x86/include/asm/pgtable_types.h:359:0,
                    from arch/x86/include/asm/processor.h:20,
                    from arch/x86/include/asm/cpufeature.h:5,
                    from arch/x86/include/asm/thread_info.h:53,
                    from include/linux/thread_info.h:38,
                    from arch/x86/include/asm/preempt.h:7,
                    from include/linux/preempt.h:78,
                    from include/linux/spinlock.h:51,
                    from include/linux/mmzone.h:8,
                    from include/linux/gfp.h:6,
                    from include/linux/slab.h:15,
                    from include/linux/crypto.h:19,
                    from arch/x86/kernel/asm-offsets.c:9:
>> include/asm-generic/pgtable-nopud.h:22:0: warning: "MAX_PTRS_PER_PUD" redefined
    #define MAX_PTRS_PER_PUD 1
    
   In file included from arch/x86/include/asm/processor.h:20:0,
                    from arch/x86/include/asm/cpufeature.h:5,
                    from arch/x86/include/asm/thread_info.h:53,
                    from include/linux/thread_info.h:38,
                    from arch/x86/include/asm/preempt.h:7,
                    from include/linux/preempt.h:78,
                    from include/linux/spinlock.h:51,
                    from include/linux/mmzone.h:8,
                    from include/linux/gfp.h:6,
                    from include/linux/slab.h:15,
                    from include/linux/crypto.h:19,
                    from arch/x86/kernel/asm-offsets.c:9:
   arch/x86/include/asm/pgtable_types.h:261:0: note: this is the location of the previous definition
    #define MAX_PTRS_PER_PUD PTRS_PER_PUD
    
   In file included from arch/x86/include/asm/pgtable_types.h:385:0,
                    from arch/x86/include/asm/processor.h:20,
                    from arch/x86/include/asm/cpufeature.h:5,
                    from arch/x86/include/asm/thread_info.h:53,
                    from include/linux/thread_info.h:38,
                    from arch/x86/include/asm/preempt.h:7,
                    from include/linux/preempt.h:78,
                    from include/linux/spinlock.h:51,
                    from include/linux/mmzone.h:8,
                    from include/linux/gfp.h:6,
                    from include/linux/slab.h:15,
                    from include/linux/crypto.h:19,
                    from arch/x86/kernel/asm-offsets.c:9:
>> include/asm-generic/pgtable-nopmd.h:21:0: warning: "MAX_PTRS_PER_PMD" redefined
    #define MAX_PTRS_PER_PMD 1
    
   In file included from arch/x86/include/asm/processor.h:20:0,
                    from arch/x86/include/asm/cpufeature.h:5,
                    from arch/x86/include/asm/thread_info.h:53,
                    from include/linux/thread_info.h:38,
                    from arch/x86/include/asm/preempt.h:7,
                    from include/linux/preempt.h:78,
                    from include/linux/spinlock.h:51,
                    from include/linux/mmzone.h:8,
                    from include/linux/gfp.h:6,
                    from include/linux/slab.h:15,
                    from include/linux/crypto.h:19,
                    from arch/x86/kernel/asm-offsets.c:9:
   arch/x86/include/asm/pgtable_types.h:262:0: note: this is the location of the previous definition
    #define MAX_PTRS_PER_PMD PTRS_PER_PMD
    
   5 real  3 user  2 sys  114.30% cpu 	make prepare

vim +/MAX_PTRS_PER_PUD +22 include/asm-generic/pgtable-nopud.h

    20	
    21	#define PUD_SHIFT		P4D_SHIFT
  > 22	#define MAX_PTRS_PER_PUD	1
    23	#define PTRS_PER_PUD		1
    24	#define PUD_SIZE  		(1UL << PUD_SHIFT)
    25	#define PUD_MASK  		(~(PUD_SIZE-1))
    26	

---
0-DAY kernel test infrastructure                 Open Source Technology Center
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org Intel Corporation

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  parent reply	other threads:[~2019-12-10 10:41 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-10  4:47 [PATCH v2 0/4] KASAN for powerpc64 radix, plus generic mm change Daniel Axtens
2019-12-10  4:47 ` [PATCH v2 1/4] mm: define MAX_PTRS_PER_{PTE,PMD,PUD} Daniel Axtens
2019-12-10  6:35   ` Christophe Leroy
2019-12-10  9:35   ` Balbir Singh
2019-12-10 10:39   ` kbuild test robot [this message]
2019-12-10  4:47 ` [PATCH v2 2/4] kasan: use MAX_PTRS_PER_* for early shadow Daniel Axtens
2019-12-10  6:40   ` Christophe Leroy
2019-12-10  9:36   ` Balbir Singh
2019-12-10 14:39     ` Christophe Leroy
2019-12-10  4:47 ` [PATCH v2 3/4] kasan: Document support on 32-bit powerpc Daniel Axtens
2019-12-10  6:40   ` Christophe Leroy
2019-12-10  4:47 ` [PATCH v2 4/4] powerpc: Book3S 64-bit "heavyweight" KASAN support Daniel Axtens
2019-12-10  7:21   ` Christophe Leroy
2019-12-12 13:41     ` Daniel Axtens
2019-12-10 10:57   ` Balbir Singh
2019-12-11  5:21     ` Daniel Axtens
2019-12-11  8:57       ` Balbir Singh
2019-12-11 14:24         ` Daniel Axtens
2019-12-12  7:42           ` Balbir Singh
2019-12-12  9:38             ` Christophe Leroy
2019-12-12  9:56           ` Andrey Ryabinin
2019-12-10 11:20   ` kbuild test robot

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