linux-kernel - Re: [PATCH v6 25/34] swiotlb: Add warnings for use of bounce buffers with SME

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Message-ID: <201706081348.u0hG73ce%fengguang.wu@intel.com>
Date:   Thu, 8 Jun 2017 13:53:24 +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 25/34] swiotlb: Add warnings for use of bounce buffers
 with SME

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: sparc-defconfig (attached as .config)
compiler: sparc-linux-gcc (GCC) 6.2.0
reproduce:
        wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=sparc 

All errors (new ones prefixed by >>):

   In file included from include/linux/dma-mapping.h:13:0,
                    from include/linux/skbuff.h:34,
                    from include/linux/filter.h:12,
                    from kernel//bpf/core.c:24:
>> include/linux/mem_encrypt.h:16:29: fatal error: asm/mem_encrypt.h: No such file or directory
    #include <asm/mem_encrypt.h>
                                ^
   compilation terminated.

vim +16 include/linux/mem_encrypt.h

2d7c2ec4 Tom Lendacky 2017-06-07  10   * published by the Free Software Foundation.
2d7c2ec4 Tom Lendacky 2017-06-07  11   */
2d7c2ec4 Tom Lendacky 2017-06-07  12  
2d7c2ec4 Tom Lendacky 2017-06-07  13  #ifndef __MEM_ENCRYPT_H__
2d7c2ec4 Tom Lendacky 2017-06-07  14  #define __MEM_ENCRYPT_H__
2d7c2ec4 Tom Lendacky 2017-06-07  15  
2d7c2ec4 Tom Lendacky 2017-06-07 @16  #include <asm/mem_encrypt.h>
2d7c2ec4 Tom Lendacky 2017-06-07  17  
2d7c2ec4 Tom Lendacky 2017-06-07  18  #endif	/* __MEM_ENCRYPT_H__ */

:::::: The code at line 16 was first introduced by commit
:::::: 2d7c2ec4c60e83432b27bfb32042706f404d4158 x86/mm: Add Secure Memory Encryption (SME) support

:::::: TO: Tom Lendacky <thomas.lendacky@....com>
:::::: CC: 0day robot <fengguang.wu@...el.com>

---
0-DAY kernel test infrastructure                Open Source Technology Center
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