linux-kernel - Re: [PATCH v6 19/34] x86/mm: Add support to access boot related data in the clear

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Message-ID: <201706081213.vVLC8kRm%fengguang.wu@intel.com>
Date:   Thu, 8 Jun 2017 12:24:39 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Tom Lendacky <thomas.lendacky@....com>
Cc:     kbuild-all@...org, linux-arch@...r.kernel.org,
        linux-efi@...r.kernel.org, kvm@...r.kernel.org,
        linux-doc@...r.kernel.org, x86@...nel.org,
        kexec@...ts.infradead.org, linux-kernel@...r.kernel.org,
        kasan-dev@...glegroups.com, linux-mm@...ck.org,
        iommu@...ts.linux-foundation.org, Rik van Riel <riel@...hat.com>,
        Radim Krčmář <rkrcmar@...hat.com>,
        Toshimitsu Kani <toshi.kani@....com>,
        Arnd Bergmann <arnd@...db.de>,
        Jonathan Corbet <corbet@....net>,
        Matt Fleming <matt@...eblueprint.co.uk>,
        "Michael S. Tsirkin" <mst@...hat.com>,
        Joerg Roedel <joro@...tes.org>,
        Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Larry Woodman <lwoodman@...hat.com>,
        Brijesh Singh <brijesh.singh@....com>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        Andy Lutomirski <luto@...nel.org>,
        "H. Peter Anvin" <hpa@...or.com>,
        Andrey Ryabinin <aryabinin@...tuozzo.com>,
        Alexander Potapenko <glider@...gle.com>,
        Dave Young <dyoung@...hat.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Dmitry Vyukov <dvyukov@...gle.com>
Subject: Re: [PATCH v6 19/34] x86/mm: Add support to access boot related data
 in the clear

Hi Tom,

[auto build test ERROR on linus/master]
[also build test ERROR on v4.12-rc4 next-20170607]
[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/Tom-Lendacky/x86-Secure-Memory-Encryption-AMD/20170608-104147
config: i386-randconfig-x077-06040719 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

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

   In file included from arch/x86/include/asm/dma.h:12:0,
                    from include/linux/bootmem.h:9,
                    from arch/x86/mm/ioremap.c:9:
>> arch/x86/include/asm/io.h:386:37: error: conflicting types for 'arch_memremap_can_ram_remap'
    #define arch_memremap_can_ram_remap arch_memremap_can_ram_remap
                                        ^
>> arch/x86/mm/ioremap.c:561:6: note: in expansion of macro 'arch_memremap_can_ram_remap'
    bool arch_memremap_can_ram_remap(resource_size_t phys_addr, unsigned long size,
         ^~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/x86/include/asm/io.h:384:13: note: previous declaration of 'arch_memremap_can_ram_remap' was here
    extern bool arch_memremap_can_ram_remap(resource_size_t offset, size_t size,
                ^~~~~~~~~~~~~~~~~~~~~~~~~~~
--
   In file included from arch/x86/include/asm/dma.h:12:0,
                    from include/linux/bootmem.h:9,
                    from arch/x86//mm/ioremap.c:9:
>> arch/x86/include/asm/io.h:386:37: error: conflicting types for 'arch_memremap_can_ram_remap'
    #define arch_memremap_can_ram_remap arch_memremap_can_ram_remap
                                        ^
   arch/x86//mm/ioremap.c:561:6: note: in expansion of macro 'arch_memremap_can_ram_remap'
    bool arch_memremap_can_ram_remap(resource_size_t phys_addr, unsigned long size,
         ^~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/x86/include/asm/io.h:384:13: note: previous declaration of 'arch_memremap_can_ram_remap' was here
    extern bool arch_memremap_can_ram_remap(resource_size_t offset, size_t size,
                ^~~~~~~~~~~~~~~~~~~~~~~~~~~

vim +/arch_memremap_can_ram_remap +386 arch/x86/include/asm/io.h

   380	extern void arch_io_free_memtype_wc(resource_size_t start, resource_size_t size);
   381	#define arch_io_reserve_memtype_wc arch_io_reserve_memtype_wc
   382	#endif
   383	
   384	extern bool arch_memremap_can_ram_remap(resource_size_t offset, size_t size,
   385						unsigned long flags);
 > 386	#define arch_memremap_can_ram_remap arch_memremap_can_ram_remap
   387	
   388	#endif /* _ASM_X86_IO_H */

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

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