[PATCH 0/4] arm64/sysreg: Clean up TCR_XXX field macros

Anshuman Khandual anshuman.khandual at arm.com
Sun Aug 17 21:57:55 PDT 2025


Currently [V]TCR[1|2]_EL[1|2] sysreg field macros are sprinkled across the
arm64 platform code including KVM implementation. Clean these up via adding
required register filed definitions in tools sysreg format and subsequently
doing all necessary replacements. The cleanup does not cause any functional
change.

This applies on v6.17-rc2

Cc: Catalin Marinas <catalin.marinas at arm.com>
Cc: Will Deacon <will at kernel.org>
Cc: Marc Zyngier <maz at kernel.org>
Cc: Oliver Upton <oliver.upton at linux.dev>
Cc: Mark Brown <broonie at kernel.org>
Cc: Ryan Roberts <ryan.roberts at arm.com>
Cc: kvmarm at lists.linux.dev
Cc: linux-kernel at vger.kernel.org
Cc: linux-arm-kernel at lists.infradead.org

Anshuman Khandual (4):
  arm64/sysreg: Update TCR_EL1 register
  arm64/sysreg: Replace TCR_EL1 field macros
  arm64/sysreg: Add TCR_EL2 register
  arm64/sysreg: Add VTCR_EL2 register

 arch/arm64/include/asm/assembler.h         |   6 +-
 arch/arm64/include/asm/cputype.h           |   2 +-
 arch/arm64/include/asm/kvm_arm.h           |  45 +-----
 arch/arm64/include/asm/kvm_nested.h        |   6 +-
 arch/arm64/include/asm/mmu_context.h       |   4 +-
 arch/arm64/include/asm/pgtable-hwdef.h     | 107 ++------------
 arch/arm64/include/asm/pgtable-prot.h      |   2 +-
 arch/arm64/include/asm/sysreg.h            |   4 -
 arch/arm64/kernel/cpufeature.c             |   4 +-
 arch/arm64/kernel/pi/map_kernel.c          |   8 +-
 arch/arm64/kernel/vmcore_info.c            |   2 +-
 arch/arm64/kvm/arm.c                       |   6 +-
 arch/arm64/kvm/at.c                        |  48 +++----
 arch/arm64/kvm/hyp/include/hyp/switch.h    |   2 +-
 arch/arm64/kvm/hyp/include/hyp/sysreg-sr.h |   2 +-
 arch/arm64/kvm/hyp/nvhe/switch.c           |   2 +-
 arch/arm64/kvm/hyp/nvhe/tlb.c              |   2 +-
 arch/arm64/kvm/hyp/pgtable.c               |   6 +-
 arch/arm64/kvm/hyp/vhe/tlb.c               |   2 +-
 arch/arm64/kvm/nested.c                    |  10 +-
 arch/arm64/kvm/pauth.c                     |  12 +-
 arch/arm64/mm/proc.S                       |  29 ++--
 arch/arm64/tools/sysreg                    | 153 +++++++++++++++++++--
 tools/arch/arm64/include/asm/cputype.h     |   2 +-
 24 files changed, 241 insertions(+), 225 deletions(-)

-- 
2.25.1




More information about the linux-arm-kernel mailing list