diff mbox series

[v3,2/4] KVM: arm64: Enable writable for ID_DFR0_EL1

Message ID 20230405172146.297208-3-jingzhangos@google.com (mailing list archive)
State New, archived
Headers show
Series Enable writable for idregs DFR0,PFR0, MMFR{0,1,2} | expand

Commit Message

Jing Zhang April 5, 2023, 5:21 p.m. UTC 
All valid fields in ID_DFR0_EL1 are writable from usrespace with this
change.

Signed-off-by: Jing Zhang <jingzhangos@google.com>
---
 arch/arm64/kvm/id_regs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/arch/arm64/kvm/id_regs.c b/arch/arm64/kvm/id_regs.c
index ca26fdabcf66..11d3a1d46ee5 100644
--- a/arch/arm64/kvm/id_regs.c
+++ b/arch/arm64/kvm/id_regs.c
@@ -548,7 +548,7 @@  const struct sys_reg_desc id_reg_descs[KVM_ARM_ID_REG_NUM] = {
 	  .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),