diff mbox series

[v6,3/5] KVM: arm64: Enable writable for ID_AA64PFR0_EL1

Message ID 20230717152722.1837864-4-jingzhangos@google.com (mailing list archive)
State New, archived
Headers show
Series Enable writable for idregs DFR0,PFR0, MMFR{0,1,2, 3} | expand

Commit Message

Jing Zhang July 17, 2023, 3:27 p.m. UTC 
All valid fields in ID_AA64PFR0_EL1 are writable from usrespace
with this change.

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

Patch

diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c
index 053d8057ff1e..fab525508510 100644
--- a/arch/arm64/kvm/sys_regs.c
+++ b/arch/arm64/kvm/sys_regs.c
@@ -2042,7 +2042,7 @@  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),