Rather than falling to an "unhandled access", inject add an explicit "undefined access" for TRFCR_EL1 access from the guest.
Cc: Marc Zyngier maz@kernel.org Cc: Will Deacon will@kernel.org Cc: Mathieu Poirier mathieu.poirier@linaro.org Signed-off-by: Suzuki K Poulose suzuki.poulose@arm.com --- arch/arm64/kvm/sys_regs.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c index 4f2f1e3145de..52fdb9a015a4 100644 --- a/arch/arm64/kvm/sys_regs.c +++ b/arch/arm64/kvm/sys_regs.c @@ -1472,6 +1472,7 @@ static const struct sys_reg_desc sys_reg_descs[] = { { SYS_DESC(SYS_GCR_EL1), undef_access },
{ SYS_DESC(SYS_ZCR_EL1), NULL, reset_val, ZCR_EL1, 0, .visibility = sve_visibility }, + { SYS_DESC(SYS_TRFCR_EL1), undef_access }, { SYS_DESC(SYS_TTBR0_EL1), access_vm_reg, reset_unknown, TTBR0_EL1 }, { SYS_DESC(SYS_TTBR1_EL1), access_vm_reg, reset_unknown, TTBR1_EL1 }, { SYS_DESC(SYS_TCR_EL1), access_vm_reg, reset_val, TCR_EL1, 0 },