diff options
| author | Cao jin <caoj.fnst@cn.fujitsu.com> | 2016-06-20 14:13:44 +0800 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2016-07-05 13:14:41 +0300 |
| commit | 269fe4c3ab0cf29329317eb868f8ec90ac761b41 (patch) | |
| tree | 707d2fce1b6232fb36378e7fb85e73dff9e09520 /hw/scsi | |
| parent | 66bf7d58d830e6370895e4f1bb1257d135661872 (diff) | |
vmw_pvscsi: remove unnecessary internal msi state flag
Internal flag msi_used is uncesessary, msi_uninit() could be called
directly, msi_enabled() is enough to check device msi state.
But for migration compatibility, keep the field in structure.
cc: Paolo Bonzini <pbonzini@redhat.com>
cc: Dmitry Fleytman <dmitry@daynix.com>
cc: Markus Armbruster <armbru@redhat.com>
cc: Marcel Apfelbaum <marcel@redhat.com>
cc: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Cao jin <caoj.fnst@cn.fujitsu.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Diffstat (limited to 'hw/scsi')
| -rw-r--r-- | hw/scsi/vmw_pvscsi.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/hw/scsi/vmw_pvscsi.c b/hw/scsi/vmw_pvscsi.c index ecd6077f4b..da71c8c8a5 100644 --- a/hw/scsi/vmw_pvscsi.c +++ b/hw/scsi/vmw_pvscsi.c @@ -121,8 +121,7 @@ typedef struct { uint8_t msg_ring_info_valid; /* Whether message ring initialized */ uint8_t use_msg; /* Whether to use message ring */ - uint8_t msi_used; /* Whether MSI support was installed successfully */ - + uint8_t msi_used; /* For migration compatibility */ PVSCSIRingInfo rings; /* Data transfer rings manager */ uint32_t resetting; /* Reset in progress */ @@ -362,7 +361,7 @@ pvscsi_update_irq_status(PVSCSIState *s) trace_pvscsi_update_irq_level(should_raise, s->reg_interrupt_enabled, s->reg_interrupt_status); - if (s->msi_used && msi_enabled(d)) { + if (msi_enabled(d)) { if (should_raise) { trace_pvscsi_update_irq_msi(); msi_notify(d, PVSCSI_VECTOR_COMPLETION); @@ -1077,9 +1076,7 @@ pvscsi_cleanup_msi(PVSCSIState *s) { PCIDevice *d = PCI_DEVICE(s); - if (s->msi_used) { - msi_uninit(d); - } + msi_uninit(d); } static const MemoryRegionOps pvscsi_ops = { |