shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-06 02:50:49 +09:00
Code Issues Packages Projects Releases Wiki Activity

UPSTREAM: arm64: mm: Use asid feature macro for cheanup

Browse Source 
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>
(cherry picked from commit 386a74677b)
Signed-off-by: Will Deacon <willdeacon@google.com>
Bug: 233587962
Bug: 233588291
Change-Id: Ib5cdbbd21c14e53bce2593223bc925543b83bd45
This commit is contained in:
Yunfeng Ye
2021-12-09 09:46:03 +08:00
committed by Will Deacon
parent 0c91703048
commit eb06a93511
1 changed files with 2 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
arch/arm64/mm/context.c
View File

@@ -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;
}