diff options
Diffstat (limited to 'arch/arm64/kvm/hyp/nvhe/pkvm.c')
| -rw-r--r-- | arch/arm64/kvm/hyp/nvhe/pkvm.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/arm64/kvm/hyp/nvhe/pkvm.c b/arch/arm64/kvm/hyp/nvhe/pkvm.c index 9d23a51d7f75..26dd9a20ad6e 100644 --- a/arch/arm64/kvm/hyp/nvhe/pkvm.c +++ b/arch/arm64/kvm/hyp/nvhe/pkvm.c @@ -12,7 +12,7 @@ #include <nvhe/pkvm.h> #include <nvhe/trap_handler.h> -/* Used by icache_is_vpipt(). */ +/* Used by icache_is_aliasing(). */ unsigned long __icache_flags; /* Used by kvm_get_vttbr(). */ @@ -136,6 +136,10 @@ static void pvm_init_traps_aa64dfr0(struct kvm_vcpu *vcpu) cptr_set |= CPTR_EL2_TTA; } + /* Trap External Trace */ + if (!FIELD_GET(ARM64_FEATURE_MASK(ID_AA64DFR0_EL1_ExtTrcBuff), feature_ids)) + mdcr_clear |= MDCR_EL2_E2TB_MASK << MDCR_EL2_E2TB_SHIFT; + vcpu->arch.mdcr_el2 |= mdcr_set; vcpu->arch.mdcr_el2 &= ~mdcr_clear; vcpu->arch.cptr_el2 |= cptr_set; |