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

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On 6/8/2017 12:53 AM, kbuild test robot wrote:
> 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.

Okay, I had the wrong understanding of the asm-generic directory. The
next series will fix this so it is not an issue for other arches.

Thanks,
Tom

> 
> 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 at amd.com>
> :::::: CC: 0day robot <fengguang.wu at intel.com>
> 
> ---
> 0-DAY kernel test infrastructure                Open Source Technology Center
> https://lists.01.org/pipermail/kbuild-all                   Intel Corporation
> 



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