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arm64: mm: Use asid feature macro for cheanup

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The commit 95b54c3e4c ("KVM: arm64: Add feature register flag
definitions") introduce the ID_AA64MMFR0_ASID_8 and ID_AA64MMFR0_ASID_16
macros.

We can use these macros for cheanup in get_cpu_asid_bits().

No functional change.

Signed-off-by: Yunfeng Ye <yeyunfeng@huawei.com>
Reviewed-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Link: https://lore.kernel.org/r/f71c75d3-735e-b32a-8414-b3e513c77240@huawei.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
This commit is contained in:
Yunfeng Ye 2021-12-09 09:46:03 +08:00 committed by Catalin Marinas
parent a3a5b76341
commit 386a74677b
1 changed files with 2 additions and 2 deletions
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4
arch/arm64/mm/context.c
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@ -50,10 +50,10 @@ static u32 get_cpu_asid_bits(void)
pr_warn("CPU%d: Unknown ASID size (%d); assuming 8-bit\n",
smp_processor_id(), fld);
fallthrough;
case 0:
case ID_AA64MMFR0_ASID_8:
asid = 8;
break;
case 2:
case ID_AA64MMFR0_ASID_16:
asid = 16;
}