diff options
Diffstat (limited to 'arch/arm64/kvm/hyp/switch.c')
| -rw-r--r-- | arch/arm64/kvm/hyp/switch.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm64/kvm/hyp/switch.c b/arch/arm64/kvm/hyp/switch.c index 4d273f6d0e69..170e1917f83c 100644 --- a/arch/arm64/kvm/hyp/switch.c +++ b/arch/arm64/kvm/hyp/switch.c @@ -406,6 +406,14 @@ again: /* 0 falls through to be handled out of EL2 */ } + if (cpus_have_const_cap(ARM64_HARDEN_BP_POST_GUEST_EXIT)) { + u32 midr = read_cpuid_id(); + + /* Apply BTAC predictors mitigation to all Falkor chips */ + if ((midr & MIDR_CPU_MODEL_MASK) == MIDR_QCOM_FALKOR_V1) + __qcom_hyp_sanitize_btac_predictors(); + } + fp_enabled = __fpsimd_enabled(); __sysreg_save_guest_state(guest_ctxt); |