From: "Aneesh Kumar K.V" <[email protected]> Although it's optional, IBM POWER cpus always had DAR value set on alignment interrupt. So don't try to compute these values.
Signed-off-by: Aneesh Kumar K.V <[email protected]> Signed-off-by: Alexander Graf <[email protected]> --- arch/powerpc/kvm/book3s_emulate.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/arch/powerpc/kvm/book3s_emulate.c b/arch/powerpc/kvm/book3s_emulate.c index 9bdff15..61f38eb 100644 --- a/arch/powerpc/kvm/book3s_emulate.c +++ b/arch/powerpc/kvm/book3s_emulate.c @@ -676,6 +676,12 @@ u32 kvmppc_alignment_dsisr(struct kvm_vcpu *vcpu, unsigned int inst) ulong kvmppc_alignment_dar(struct kvm_vcpu *vcpu, unsigned int inst) { +#ifdef CONFIG_PPC_BOOK3S_64 + /* + * Linux's fix_alignment() assumes that DAR is valid, so can we + */ + return vcpu->arch.fault_dar; +#else ulong dar = 0; ulong ra = get_ra(inst); ulong rb = get_rb(inst); @@ -700,4 +706,5 @@ ulong kvmppc_alignment_dar(struct kvm_vcpu *vcpu, unsigned int inst) } return dar; +#endif } -- 1.8.1.4 -- To unsubscribe from this list: send the line "unsubscribe kvm-ppc" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
