[PATCH v4 0/8] Implement generic cc_platform_has() helper function

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From: Borislav Petkov <bp@xxxxxxx>

Hi all,

here's v4 of the cc_platform_has() patchset with feedback incorporated.

I'm going to route this through tip if there are no objections.

Thx.

Tom Lendacky (8):
  x86/ioremap: Selectively build arch override encryption functions
  arch/cc: Introduce a function to check for confidential computing
    features
  x86/sev: Add an x86 version of cc_platform_has()
  powerpc/pseries/svm: Add a powerpc version of cc_platform_has()
  x86/sme: Replace occurrences of sme_active() with cc_platform_has()
  x86/sev: Replace occurrences of sev_active() with cc_platform_has()
  x86/sev: Replace occurrences of sev_es_active() with cc_platform_has()
  treewide: Replace the use of mem_encrypt_active() with
    cc_platform_has()

 arch/Kconfig                                 |  3 +
 arch/powerpc/include/asm/mem_encrypt.h       |  5 --
 arch/powerpc/platforms/pseries/Kconfig       |  1 +
 arch/powerpc/platforms/pseries/Makefile      |  2 +
 arch/powerpc/platforms/pseries/cc_platform.c | 26 ++++++
 arch/powerpc/platforms/pseries/svm.c         |  5 +-
 arch/s390/include/asm/mem_encrypt.h          |  2 -
 arch/x86/Kconfig                             |  1 +
 arch/x86/include/asm/io.h                    |  8 ++
 arch/x86/include/asm/kexec.h                 |  2 +-
 arch/x86/include/asm/mem_encrypt.h           | 12 +--
 arch/x86/kernel/Makefile                     |  6 ++
 arch/x86/kernel/cc_platform.c                | 69 +++++++++++++++
 arch/x86/kernel/crash_dump_64.c              |  4 +-
 arch/x86/kernel/head64.c                     |  9 +-
 arch/x86/kernel/kvm.c                        |  3 +-
 arch/x86/kernel/kvmclock.c                   |  4 +-
 arch/x86/kernel/machine_kexec_64.c           | 19 +++--
 arch/x86/kernel/pci-swiotlb.c                |  9 +-
 arch/x86/kernel/relocate_kernel_64.S         |  2 +-
 arch/x86/kernel/sev.c                        |  6 +-
 arch/x86/kvm/svm/svm.c                       |  3 +-
 arch/x86/mm/ioremap.c                        | 18 ++--
 arch/x86/mm/mem_encrypt.c                    | 55 ++++--------
 arch/x86/mm/mem_encrypt_identity.c           |  9 +-
 arch/x86/mm/pat/set_memory.c                 |  3 +-
 arch/x86/platform/efi/efi_64.c               |  9 +-
 arch/x86/realmode/init.c                     |  8 +-
 drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c      |  4 +-
 drivers/gpu/drm/drm_cache.c                  |  4 +-
 drivers/gpu/drm/vmwgfx/vmwgfx_drv.c          |  4 +-
 drivers/gpu/drm/vmwgfx/vmwgfx_msg.c          |  6 +-
 drivers/iommu/amd/init.c                     |  7 +-
 drivers/iommu/amd/iommu.c                    |  3 +-
 drivers/iommu/amd/iommu_v2.c                 |  3 +-
 drivers/iommu/iommu.c                        |  3 +-
 fs/proc/vmcore.c                             |  6 +-
 include/linux/cc_platform.h                  | 88 ++++++++++++++++++++
 include/linux/mem_encrypt.h                  |  4 -
 kernel/dma/swiotlb.c                         |  4 +-
 40 files changed, 310 insertions(+), 129 deletions(-)
 create mode 100644 arch/powerpc/platforms/pseries/cc_platform.c
 create mode 100644 arch/x86/kernel/cc_platform.c
 create mode 100644 include/linux/cc_platform.h

-- 
2.29.2




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