[PATCH v4 0/6] Remove x86-specific code from generic headers

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Hello,

This version has only a small change in the last patch as requested by
Christoph and Halil, and collects Reviewed-by's.

These patches are applied on top of v5.3-rc2.

I don't have a way to test SME, SEV, nor s390's PEF so the patches have only
been build tested.

Changelog

Since v3:

- Patch "s390/mm: Remove sev_active() function"
  - Preserve comment from sev_active() in force_dma_unencrypted().
    Suggested by Christoph Hellwig.

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                 |  7 +------
 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(+), 46 deletions(-)




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