[PATCH v5 4/6] KVM: arm64: Enable writable for ID_AA64PFR0_EL1
Jing Zhang
jingzhangos at google.com
Mon Jul 10 12:24:27 PDT 2023
All valid fields in ID_AA64PFR0_EL1 are writable from usrespace
with this change.
Signed-off-by: Jing Zhang <jingzhangos at google.com>
---
arch/arm64/kvm/sys_regs.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c
index c44504038ae9..967ecd57a86a 100644
--- a/arch/arm64/kvm/sys_regs.c
+++ b/arch/arm64/kvm/sys_regs.c
@@ -2026,7 +2026,7 @@ static const struct sys_reg_desc sys_reg_descs[] = {
.get_user = get_id_reg,
.set_user = set_id_reg,
.reset = read_sanitised_id_aa64pfr0_el1,
- .val = ID_AA64PFR0_EL1_CSV2_MASK | ID_AA64PFR0_EL1_CSV3_MASK, },
+ .val = GENMASK(63, 0), },
ID_SANITISED(ID_AA64PFR1_EL1),
ID_UNALLOCATED(4,2),
ID_UNALLOCATED(4,3),
--
2.41.0.255.g8b1d071c50-goog
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