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

Lendacky, Thomas
2019-07-18T17:48:37Z

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(-)