Alex, this is a backport version that fixed under kvmppc_core_emulate_op()'s XOP_MTDCR and XOP_MFDCR due to emulate_mtdcr() and emulate_mfdcr() are not implemented in this code base yet. This has been applied and built correctly. Please ACK/NAK here in order to be committed there.
>From e43a028752fed049e4bd94ef895542f96d79fa74 Mon Sep 17 00:00:00 2001 From: Alexander Graf <[email protected]> Date: Sat, 6 Oct 2012 03:56:35 +0200 Subject: [PATCH] KVM: PPC: 44x: fix DCR read/write When remembering the direction of a DCR transaction, we should write to the same variable that we interpret on later when doing vcpu_run again. Signed-off-by: Alexander Graf <[email protected]> Cc: [email protected] Signed-off-by: CAI Qian <[email protected]> diff --git a/arch/powerpc/kvm/44x_emulate.c b/arch/powerpc/kvm/44x_emulate.c index c8c6157..c39cd0b 100644 --- a/arch/powerpc/kvm/44x_emulate.c +++ b/arch/powerpc/kvm/44x_emulate.c @@ -76,6 +76,7 @@ int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu, run->dcr.dcrn = dcrn; run->dcr.data = 0; run->dcr.is_write = 0; + vcpu->arch.dcr_is_write = 0; vcpu->arch.io_gpr = rt; vcpu->arch.dcr_needed = 1; kvmppc_account_exit(vcpu, DCR_EXITS); @@ -94,6 +95,7 @@ int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu, run->dcr.dcrn = dcrn; run->dcr.data = kvmppc_get_gpr(vcpu, rs); run->dcr.is_write = 1; + vcpu->arch.dcr_is_write = 1; vcpu->arch.dcr_needed = 1; kvmppc_account_exit(vcpu, DCR_EXITS); emulated = EMULATE_DO_DCR; -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
