[PATCH v5 2/6] KVM: arm64: Enable writable for ID_AA64DFR0_EL1 and ID_DFR0_EL1
Jing Zhang
jingzhangos at google.com
Mon Jul 10 12:24:25 PDT 2023
All valid fields in ID_AA64DFR0_EL1 and ID_DFR0_EL1 are writable
from usrespace with this change.
Signed-off-by: Jing Zhang <jingzhangos at google.com>
---
arch/arm64/kvm/sys_regs.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c
index c1a5ec1a016e..0160ef9cfe18 100644
--- a/arch/arm64/kvm/sys_regs.c
+++ b/arch/arm64/kvm/sys_regs.c
@@ -1980,7 +1980,7 @@ static const struct sys_reg_desc sys_reg_descs[] = {
.set_user = set_id_dfr0_el1,
.visibility = aa32_id_visibility,
.reset = read_sanitised_id_dfr0_el1,
- .val = ID_DFR0_EL1_PerfMon_MASK, },
+ .val = GENMASK(63, 0), },
ID_HIDDEN(ID_AFR0_EL1),
AA32_ID_SANITISED(ID_MMFR0_EL1),
AA32_ID_SANITISED(ID_MMFR1_EL1),
@@ -2029,7 +2029,7 @@ static const struct sys_reg_desc sys_reg_descs[] = {
.get_user = get_id_reg,
.set_user = set_id_aa64dfr0_el1,
.reset = read_sanitised_id_aa64dfr0_el1,
- .val = ID_AA64DFR0_EL1_PMUVer_MASK, },
+ .val = GENMASK(63, 0), },
ID_SANITISED(ID_AA64DFR1_EL1),
ID_UNALLOCATED(5,2),
ID_UNALLOCATED(5,3),
--
2.41.0.255.g8b1d071c50-goog
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