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

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