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Diffstat (limited to 'arch/loongarch/kvm/exit.c')
-rw-r--r--arch/loongarch/kvm/exit.c19
1 files changed, 10 insertions, 9 deletions
diff --git a/arch/loongarch/kvm/exit.c b/arch/loongarch/kvm/exit.c
index 6c9c7de7226b..cb493980d874 100644
--- a/arch/loongarch/kvm/exit.c
+++ b/arch/loongarch/kvm/exit.c
@@ -218,16 +218,16 @@ int kvm_emu_iocsr(larch_inst inst, struct kvm_run *run, struct kvm_vcpu *vcpu)
}
trace_kvm_iocsr(KVM_TRACE_IOCSR_WRITE, run->iocsr_io.len, addr, val);
} else {
+ vcpu->arch.io_gpr = rd; /* Set register id for iocsr read completion */
idx = srcu_read_lock(&vcpu->kvm->srcu);
- ret = kvm_io_bus_read(vcpu, KVM_IOCSR_BUS, addr, run->iocsr_io.len, val);
+ ret = kvm_io_bus_read(vcpu, KVM_IOCSR_BUS, addr,
+ run->iocsr_io.len, run->iocsr_io.data);
srcu_read_unlock(&vcpu->kvm->srcu, idx);
- if (ret == 0)
+ if (ret == 0) {
+ kvm_complete_iocsr_read(vcpu, run);
ret = EMULATE_DONE;
- else {
+ } else
ret = EMULATE_DO_IOCSR;
- /* Save register id for iocsr read completion */
- vcpu->arch.io_gpr = rd;
- }
trace_kvm_iocsr(KVM_TRACE_IOCSR_READ, run->iocsr_io.len, addr, NULL);
}
@@ -468,6 +468,8 @@ int kvm_emu_mmio_read(struct kvm_vcpu *vcpu, larch_inst inst)
if (ret == EMULATE_DO_MMIO) {
trace_kvm_mmio(KVM_TRACE_MMIO_READ, run->mmio.len, run->mmio.phys_addr, NULL);
+ vcpu->arch.io_gpr = rd; /* Set for kvm_complete_mmio_read() use */
+
/*
* If mmio device such as PCH-PIC is emulated in KVM,
* it need not return to user space to handle the mmio
@@ -475,16 +477,15 @@ int kvm_emu_mmio_read(struct kvm_vcpu *vcpu, larch_inst inst)
*/
idx = srcu_read_lock(&vcpu->kvm->srcu);
ret = kvm_io_bus_read(vcpu, KVM_MMIO_BUS, vcpu->arch.badv,
- run->mmio.len, &vcpu->arch.gprs[rd]);
+ run->mmio.len, run->mmio.data);
srcu_read_unlock(&vcpu->kvm->srcu, idx);
if (!ret) {
+ kvm_complete_mmio_read(vcpu, run);
update_pc(&vcpu->arch);
vcpu->mmio_needed = 0;
return EMULATE_DONE;
}
- /* Set for kvm_complete_mmio_read() use */
- vcpu->arch.io_gpr = rd;
run->mmio.is_write = 0;
vcpu->mmio_is_write = 0;
return EMULATE_DO_MMIO;