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From: kbuild test robot <lkp@intel.com>
To: Christophe Leroy <christophe.leroy@c-s.fr>
Cc: kbuild-all@01.org,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Paul Mackerras <paulus@samba.org>,
	Michael Ellerman <mpe@ellerman.id.au>,
	Nicholas Piggin <npiggin@gmail.com>,
	"Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>,
	Andrey Ryabinin <aryabinin@virtuozzo.com>,
	Alexander Potapenko <glider@google.com>,
	Dmitry Vyukov <dvyukov@google.com>,
	Daniel Axtens <dja@axtens.net>,
	linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
	kasan-dev@googlegroups.com, linux-mm@kvack.org
Subject: Re: [PATCH v7 06/11] powerpc/32: make KVIRT_TOP dependant on FIXMAP_START
Date: Tue, 26 Feb 2019 11:30:12 +0800	[thread overview]
Message-ID: <201902261146.GCWYvVlC%fengguang.wu@intel.com> (raw)
In-Reply-To: <be8f68bbfc608d9edba17d74971e33c24294db39.1551098214.git.christophe.leroy@c-s.fr>

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Hi Christophe,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on powerpc/next]
[also build test ERROR on v5.0-rc8]
[cannot apply to next-20190225]
[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/Christophe-Leroy/KASAN-for-powerpc-32/20190226-052610
base:   https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next
config: powerpc-acadia_defconfig (attached as .config)
compiler: powerpc-linux-gnu-gcc (Debian 8.2.0-11) 8.2.0
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
        GCC_VERSION=8.2.0 make.cross ARCH=powerpc 

All errors (new ones prefixed by >>):

   In file included from arch/powerpc/include/asm/nohash/pgtable.h:8,
                    from arch/powerpc/include/asm/pgtable.h:20,
                    from include/linux/mm.h:98,
                    from include/linux/highmem.h:8,
                    from arch/powerpc/mm/dma-noncoherent.c:31:
>> arch/powerpc/include/asm/nohash/32/pgtable.h:75:19: error: 'FIXADDR_START' undeclared here (not in a function); did you mean 'XAS_RESTART'?
    #define KVIRT_TOP FIXADDR_START
                      ^~~~~~~~~~~~~
   arch/powerpc/include/asm/nohash/32/pgtable.h:84:23: note: in expansion of macro 'KVIRT_TOP'
    #define IOREMAP_TOP ((KVIRT_TOP - CONFIG_CONSISTENT_SIZE) & PAGE_MASK)
                          ^~~~~~~~~
   arch/powerpc/mm/dma-noncoherent.c:47:27: note: in expansion of macro 'IOREMAP_TOP'
    #define CONSISTENT_BASE  (IOREMAP_TOP)
                              ^~~~~~~~~~~
   arch/powerpc/mm/dma-noncoherent.c:93:14: note: in expansion of macro 'CONSISTENT_BASE'
     .vm_start = CONSISTENT_BASE,
                 ^~~~~~~~~~~~~~~

vim +75 arch/powerpc/include/asm/nohash/32/pgtable.h

    60	
    61	#define pte_ERROR(e) \
    62		pr_err("%s:%d: bad pte %llx.\n", __FILE__, __LINE__, \
    63			(unsigned long long)pte_val(e))
    64	#define pgd_ERROR(e) \
    65		pr_err("%s:%d: bad pgd %08lx.\n", __FILE__, __LINE__, pgd_val(e))
    66	
    67	/*
    68	 * This is the bottom of the PKMAP area with HIGHMEM or an arbitrary
    69	 * value (for now) on others, from where we can start layout kernel
    70	 * virtual space that goes below PKMAP and FIXMAP
    71	 */
    72	#ifdef CONFIG_HIGHMEM
    73	#define KVIRT_TOP	PKMAP_BASE
    74	#else
  > 75	#define KVIRT_TOP	FIXADDR_START
    76	#endif
    77	

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

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  reply	other threads:[~2019-02-26  3:31 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-02-25 13:48 [PATCH v7 00/11] KASAN for powerpc/32 Christophe Leroy
2019-02-25 13:48 ` [PATCH v7 01/11] powerpc/32: Move early_init() in a separate file Christophe Leroy
2019-02-25 13:48 ` [PATCH v7 02/11] powerpc: prepare string/mem functions for KASAN Christophe Leroy
2019-02-25 22:47   ` kbuild test robot
2019-02-25 13:48 ` [PATCH v7 03/11] powerpc/prom_init: don't use string functions from lib/ Christophe Leroy
2019-02-25 13:48 ` [PATCH v7 04/11] powerpc/mm: don't use direct assignation during early boot Christophe Leroy
2019-02-25 13:48 ` [PATCH v7 05/11] powerpc/32: use memset() instead of memset_io() to zero BSS Christophe Leroy
2019-02-25 13:48 ` [PATCH v7 06/11] powerpc/32: make KVIRT_TOP dependant on FIXMAP_START Christophe Leroy
2019-02-26  3:30   ` kbuild test robot [this message]
2019-02-25 13:48 ` [PATCH v7 07/11] powerpc/32: prepare shadow area for KASAN Christophe Leroy
2019-02-26  5:12   ` Daniel Axtens
2019-02-25 13:48 ` [PATCH v7 08/11] powerpc: disable KASAN instrumentation on early/critical files Christophe Leroy
2019-02-25 13:48 ` [PATCH v7 09/11] powerpc/32: Add KASAN support Christophe Leroy
2019-02-25 13:48 ` [PATCH v7 10/11] powerpc/32s: move hash code patching out of MMU_init_hw() Christophe Leroy
2019-02-25 13:48 ` [PATCH v7 11/11] powerpc/32s: set up an early static hash table for KASAN Christophe Leroy
2019-02-25 18:24 ` [PATCH v7 00/11] KASAN for powerpc/32 Christophe Leroy

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