Like its EL1 equivalent, TCR2_EL2 gets context-switched. This is made conditional on FEAT_TCRX being adversised. Signed-off-by: Marc Zyngier <maz@xxxxxxxxxx> --- arch/arm64/kvm/hyp/vhe/sysreg-sr.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/arm64/kvm/hyp/vhe/sysreg-sr.c b/arch/arm64/kvm/hyp/vhe/sysreg-sr.c index 6db5b4d0f3a4..7099775cd505 100644 --- a/arch/arm64/kvm/hyp/vhe/sysreg-sr.c +++ b/arch/arm64/kvm/hyp/vhe/sysreg-sr.c @@ -51,6 +51,9 @@ static void __sysreg_save_vel2_state(struct kvm_cpu_context *ctxt) ctxt_sys_reg(ctxt, TTBR1_EL2) = read_sysreg_el1(SYS_TTBR1); ctxt_sys_reg(ctxt, TCR_EL2) = read_sysreg_el1(SYS_TCR); + if (ctxt_has_tcrx(ctxt)) + ctxt_sys_reg(ctxt, TCR2_EL2) = read_sysreg_el1(SYS_TCR2); + /* * The EL1 view of CNTKCTL_EL1 has a bunch of RES0 bits where * the interesting CNTHCTL_EL2 bits live. So preserve these @@ -108,6 +111,9 @@ static void __sysreg_restore_vel2_state(struct kvm_cpu_context *ctxt) write_sysreg_el1(val, SYS_TCR); } + if (ctxt_has_tcrx(ctxt)) + write_sysreg_el1(ctxt_sys_reg(ctxt, TCR2_EL2), SYS_TCR2); + write_sysreg_el1(ctxt_sys_reg(ctxt, ESR_EL2), SYS_ESR); write_sysreg_el1(ctxt_sys_reg(ctxt, AFSR0_EL2), SYS_AFSR0); write_sysreg_el1(ctxt_sys_reg(ctxt, AFSR1_EL2), SYS_AFSR1); -- 2.39.2
