[PATCH-for-9.1,11/18] hw/mem/memory-device: Remove legacy_align from memory_device_pre_plug()

Commit Message

Philippe Mathieu-Daudé March 5, 2024, 1:42 p.m. UTC

'legacy_align' is always NULL, remove it, simplifying
memory_device_pre_plug().

Signed-off-by: Philippe Mathieu-Daudé <[e-mail]>
---
 include/hw/mem/memory-device.h |  2 +-
 hw/i386/pc.c                   |  3 +--
 hw/mem/memory-device.c         | 12 ++++--------
 hw/mem/pc-dimm.c               |  2 +-
 hw/virtio/virtio-md-pci.c      |  2 +-
 5 files changed, 8 insertions(+), 13 deletions(-)

Comments

Thomas Huth March 6, 2024, 5 p.m. UTC | #1

On 05/03/2024 14.42, Philippe Mathieu-Daudé wrote:
> 'legacy_align' is always NULL, remove it, simplifying
> memory_device_pre_plug().
> 
> Signed-off-by: Philippe Mathieu-Daudé <[e-mail]>
> ---
>   include/hw/mem/memory-device.h |  2 +-
>   hw/i386/pc.c                   |  3 +--
>   hw/mem/memory-device.c         | 12 ++++--------
>   hw/mem/pc-dimm.c               |  2 +-
>   hw/virtio/virtio-md-pci.c      |  2 +-
>   5 files changed, 8 insertions(+), 13 deletions(-)

Reviewed-by: Thomas Huth <[e-mail]>

Patch

diff --git a/include/hw/mem/memory-device.h b/include/hw/mem/memory-device.h
index e0571c8a31..c0a58087cc 100644
--- a/include/hw/mem/memory-device.h
+++ b/include/hw/mem/memory-device.h
@@ -169,7 +169,7 @@  uint64_t get_plugged_memory_size(void);
 unsigned int memory_devices_get_reserved_memslots(void);
 bool memory_devices_memslot_auto_decision_active(void);
 void memory_device_pre_plug(MemoryDeviceState *md, MachineState *ms,
-                            const uint64_t *legacy_align, Error **errp);
+                            Error **errp);
 void memory_device_plug(MemoryDeviceState *md, MachineState *ms);
 void memory_device_unplug(MemoryDeviceState *md, MachineState *ms);
 uint64_t memory_device_get_region_size(const MemoryDeviceState *md,
diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index b4736822e4..ea7b05797b 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -1393,8 +1393,7 @@  static void pc_hv_balloon_pre_plug(HotplugHandler *hotplug_dev,
 {
     /* The vmbus handler has no hotplug handler; we should never end up here. */
     g_assert(!dev->hotplugged);
-    memory_device_pre_plug(MEMORY_DEVICE(dev), MACHINE(hotplug_dev), NULL,
-                           errp);
+    memory_device_pre_plug(MEMORY_DEVICE(dev), MACHINE(hotplug_dev), errp);
 }
 
 static void pc_hv_balloon_plug(HotplugHandler *hotplug_dev,
diff --git a/hw/mem/memory-device.c b/hw/mem/memory-device.c
index e098585cda..a5f279adcc 100644
--- a/hw/mem/memory-device.c
+++ b/hw/mem/memory-device.c
@@ -345,7 +345,7 @@  uint64_t get_plugged_memory_size(void)
 }
 
 void memory_device_pre_plug(MemoryDeviceState *md, MachineState *ms,
-                            const uint64_t *legacy_align, Error **errp)
+                            Error **errp)
 {
     const MemoryDeviceClass *mdc = MEMORY_DEVICE_GET_CLASS(md);
     Error *local_err = NULL;
@@ -388,14 +388,10 @@  void memory_device_pre_plug(MemoryDeviceState *md, MachineState *ms,
         return;
     }
 
-    if (legacy_align) {
-        align = *legacy_align;
-    } else {
-        if (mdc->get_min_alignment) {
-            align = mdc->get_min_alignment(md);
-        }
-        align = MAX(align, memory_region_get_alignment(mr));
+    if (mdc->get_min_alignment) {
+        align = mdc->get_min_alignment(md);
     }
+    align = MAX(align, memory_region_get_alignment(mr));
     addr = mdc->get_addr(md);
     addr = memory_device_get_free_addr(ms, !addr ? NULL : &addr, align,
                                        memory_region_size(mr), &local_err);
diff --git a/hw/mem/pc-dimm.c b/hw/mem/pc-dimm.c
index 836384a90f..27919ca45d 100644
--- a/hw/mem/pc-dimm.c
+++ b/hw/mem/pc-dimm.c
@@ -69,7 +69,7 @@  void pc_dimm_pre_plug(PCDIMMDevice *dimm, MachineState *machine, Error **errp)
                             &error_abort);
     trace_mhp_pc_dimm_assigned_slot(slot);
 
-    memory_device_pre_plug(MEMORY_DEVICE(dimm), machine, NULL, errp);
+    memory_device_pre_plug(MEMORY_DEVICE(dimm), machine, errp);
 }
 
 void pc_dimm_plug(PCDIMMDevice *dimm, MachineState *machine)
diff --git a/hw/virtio/virtio-md-pci.c b/hw/virtio/virtio-md-pci.c
index 62bfb7920b..9ec5067662 100644
--- a/hw/virtio/virtio-md-pci.c
+++ b/hw/virtio/virtio-md-pci.c
@@ -37,7 +37,7 @@  void virtio_md_pci_pre_plug(VirtIOMDPCI *vmd, MachineState *ms, Error **errp)
      * First, see if we can plug this memory device at all. If that
      * succeeds, branch of to the actual hotplug handler.
      */
-    memory_device_pre_plug(md, ms, NULL, &local_err);
+    memory_device_pre_plug(md, ms, &local_err);
     if (!local_err && bus_handler) {
         hotplug_handler_pre_plug(bus_handler, dev, &local_err);
     }