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| author | Alexey Kardashevskiy <aik@ozlabs.ru> | 2017-03-17 11:31:38 +0300 |
|---|---|---|
| committer | Paul Mackerras <paulus@ozlabs.org> | 2017-04-20 04:37:33 +0300 |
| commit | 91242fd1a3eb96e4efe43bdf96c2fcec97fdf4ff (patch) | |
| tree | 33ee98d9cce154ae4601e2216e257ed5e786cf15 /arch/powerpc/kvm | |
| parent | 6f63e81bda98cbb549b01faf978884692ded438d (diff) | |
| download | linux-91242fd1a3eb96e4efe43bdf96c2fcec97fdf4ff.tar.xz | |
KVM: PPC: Add MMIO emulation for stdx (store doubleword indexed)
This adds missing stdx emulation for emulated MMIO accesses by KVM
guests. This allows the Mellanox mlx5_core driver from recent kernels
to work when MMIO emulation is enforced by userspace.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Paul Mackerras <paulus@ozlabs.org>
Diffstat (limited to 'arch/powerpc/kvm')
| -rw-r--r-- | arch/powerpc/kvm/emulate_loadstore.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/powerpc/kvm/emulate_loadstore.c b/arch/powerpc/kvm/emulate_loadstore.c index 9cda1b9dbc51..a0f27a30379d 100644 --- a/arch/powerpc/kvm/emulate_loadstore.c +++ b/arch/powerpc/kvm/emulate_loadstore.c @@ -119,6 +119,12 @@ int kvmppc_emulate_loadstore(struct kvm_vcpu *vcpu) kvmppc_set_gpr(vcpu, ra, vcpu->arch.vaddr_accessed); break; + case OP_31_XOP_STDX: + emulated = kvmppc_handle_store(run, vcpu, + kvmppc_get_gpr(vcpu, rs), + 8, 1); + break; + case OP_31_XOP_STWX: emulated = kvmppc_handle_store(run, vcpu, kvmppc_get_gpr(vcpu, rs), |