[PATCH 0/2] arm64/mm: Drop TTBR_CNP_BIT and TTBR_ASID_MASK

Anshuman Khandual anshuman.khandual at arm.com
Tue Feb 24 19:51:55 PST 2026


Directly use existing tools sysreg format field macros TTBRx_EL1_CNP_BIT/
TTBRx_EL1_ASID_MASK, while also dropping off now redundant custom macros
TTBR_CNP_BIT and TTBR_ASID_MASK. With this change in place, there are no
more TTBR_EL1 register based custom macros left in the tree.

This was discussed and suggested earlier.

https://lore.kernel.org/linux-arm-kernel/aRb8ezhQd0c0jp9G@J2N7QTR9R3/

Series applies on v7.0-rc1.

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

Anshuman Khandual (2):
  arm64/mm: Directly use TTBRx_EL1_ASID_MASK
  arm64/mm: Directly use TTBRx_EL1_CnP

 arch/arm64/include/asm/asm-uaccess.h   | 2 +-
 arch/arm64/include/asm/mmu.h           | 1 -
 arch/arm64/include/asm/mmu_context.h   | 2 +-
 arch/arm64/include/asm/pgtable-hwdef.h | 2 --
 arch/arm64/include/asm/uaccess.h       | 6 +++---
 arch/arm64/kernel/entry.S              | 2 +-
 arch/arm64/kernel/mte.c                | 4 ++--
 arch/arm64/kvm/at.c                    | 2 +-
 arch/arm64/kvm/hyp/nvhe/hyp-init.S     | 4 ++--
 arch/arm64/kvm/nested.c                | 4 ++--
 arch/arm64/mm/context.c                | 8 ++++----
 arch/arm64/mm/mmu.c                    | 2 +-
 12 files changed, 18 insertions(+), 21 deletions(-)

-- 
2.30.2




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