diff options
| author | Anshuman Khandual <anshuman.khandual@arm.com> | 2023-07-11 12:04:58 +0300 |
|---|---|---|
| committer | Will Deacon <will@kernel.org> | 2023-07-27 13:01:46 +0300 |
| commit | d0999555e306db8d4f973f7316baa5650495a01f (patch) | |
| tree | 8bd084387a3c6687360f47271d689608889cb417 /arch/arm64/mm | |
| parent | 6eaae198076080886b9e7d57f4ae06fa782f90ef (diff) | |
| download | linux-d0999555e306db8d4f973f7316baa5650495a01f.tar.xz | |
arm64/mm: Replace an open coding with ID_AA64MMFR1_EL1_HAFDBS_MASK
Replace '0xf' with ID_AA64MMFR1_EL1_HAFDBS_MASK while evaluating if the cpu
supports implicit page table entry access flag update in HW.
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Link: https://lore.kernel.org/r/20230711090458.238346-1-anshuman.khandual@arm.com
Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'arch/arm64/mm')
| -rw-r--r-- | arch/arm64/mm/proc.S | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm64/mm/proc.S b/arch/arm64/mm/proc.S index 2baeec419f62..14fdf645edc8 100644 --- a/arch/arm64/mm/proc.S +++ b/arch/arm64/mm/proc.S @@ -447,7 +447,7 @@ SYM_FUNC_START(__cpu_setup) * via capabilities. */ mrs x9, ID_AA64MMFR1_EL1 - and x9, x9, #0xf + and x9, x9, ID_AA64MMFR1_EL1_HAFDBS_MASK cbz x9, 1f orr tcr, tcr, #TCR_HA // hardware Access flag update 1: |