diff options
| author | Alexander Graf <agraf@suse.de> | 2012-10-06 03:56:35 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-01-17 08:44:13 -0800 |
| commit | 9d2fdadbde8314c8b55bb4a58af9584897298233 (patch) | |
| tree | 123397ddaafdd3333535bbe4a9f2508f2f7e76a3 /arch | |
| parent | 5b8692bf7ca5beed9bb75cf97b47dc1d3e5691e2 (diff) | |
KVM: PPC: 44x: fix DCR read/write
commit e43a028752fed049e4bd94ef895542f96d79fa74 upstream.
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 <agraf@suse.de>
Signed-off-by: CAI Qian <caiqian@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/kvm/44x_emulate.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/powerpc/kvm/44x_emulate.c b/arch/powerpc/kvm/44x_emulate.c index 549bb2c9a47..ded8a1a0426 100644 --- a/arch/powerpc/kvm/44x_emulate.c +++ b/arch/powerpc/kvm/44x_emulate.c @@ -79,6 +79,7 @@ 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); @@ -100,6 +101,7 @@ 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; |