Re: [PATCH v3 0/6] Remove x86-specific code from generic headers

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On 7/17/19 10:28 PM, Thiago Jung Bauermann wrote:
> Hello,
> 
> This version is mostly about splitting up patch 2/3 into three separate
> patches, as suggested by Christoph Hellwig. Two other changes are a fix in
> patch 1 which wasn't selecting ARCH_HAS_MEM_ENCRYPT for s390 spotted by
> Janani and removal of sme_active and sev_active symbol exports as suggested
> by Christoph Hellwig.
> 
> These patches are applied on top of today's dma-mapping/for-next.
> 
> I don't have a way to test SME, SEV, nor s390's PEF so the patches have only
> been build tested.

I'll try and get this tested quickly to be sure everything works for SME
and SEV.

Thanks,
Tom

> 
> Changelog
> 
> Since v2:
> 
> - Patch "x86,s390: Move ARCH_HAS_MEM_ENCRYPT definition to arch/Kconfig"
>   - Added "select ARCH_HAS_MEM_ENCRYPT" to config S390. Suggested by Janani.
> 
> - Patch "DMA mapping: Move SME handling to x86-specific files"
>   - Split up into 3 new patches. Suggested by Christoph Hellwig.
> 
> - Patch "swiotlb: Remove call to sme_active()"
>   - New patch.
> 
> - Patch "dma-mapping: Remove dma_check_mask()"
>   - New patch.
> 
> - Patch "x86,s390/mm: Move sme_active() and sme_me_mask to x86-specific header"
>   - New patch.
>   - Removed export of sme_active symbol. Suggested by Christoph Hellwig.
> 
> - Patch "fs/core/vmcore: Move sev_active() reference to x86 arch code"
>   - Removed export of sev_active symbol. Suggested by Christoph Hellwig.
> 
> - Patch "s390/mm: Remove sev_active() function"
>   - New patch.
> 
> Since v1:
> 
> - Patch "x86,s390: Move ARCH_HAS_MEM_ENCRYPT definition to arch/Kconfig"
>   - Remove definition of ARCH_HAS_MEM_ENCRYPT from s390/Kconfig as well.
>   - Reworded patch title and message a little bit.
> 
> - Patch "DMA mapping: Move SME handling to x86-specific files"
>   - Adapt s390's <asm/mem_encrypt.h> as well.
>   - Remove dma_check_mask() from kernel/dma/mapping.c. Suggested by
>     Christoph Hellwig.
> 
> Thiago Jung Bauermann (6):
>   x86,s390: Move ARCH_HAS_MEM_ENCRYPT definition to arch/Kconfig
>   swiotlb: Remove call to sme_active()
>   dma-mapping: Remove dma_check_mask()
>   x86,s390/mm: Move sme_active() and sme_me_mask to x86-specific header
>   fs/core/vmcore: Move sev_active() reference to x86 arch code
>   s390/mm: Remove sev_active() function
> 
>  arch/Kconfig                        |  3 +++
>  arch/s390/Kconfig                   |  4 +---
>  arch/s390/include/asm/mem_encrypt.h |  5 +----
>  arch/s390/mm/init.c                 |  8 +-------
>  arch/x86/Kconfig                    |  4 +---
>  arch/x86/include/asm/mem_encrypt.h  | 10 ++++++++++
>  arch/x86/kernel/crash_dump_64.c     |  5 +++++
>  arch/x86/mm/mem_encrypt.c           |  2 --
>  fs/proc/vmcore.c                    |  8 ++++----
>  include/linux/crash_dump.h          | 14 ++++++++++++++
>  include/linux/mem_encrypt.h         | 15 +--------------
>  kernel/dma/mapping.c                |  8 --------
>  kernel/dma/swiotlb.c                |  3 +--
>  13 files changed, 42 insertions(+), 47 deletions(-)
> 




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