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softmmu/memory: Pass ram_flags to memory_region_init_ram_shared_nomigrate()

Browse source 
Let's forward ram_flags instead, renaming
memory_region_init_ram_shared_nomigrate() into
memory_region_init_ram_flags_nomigrate().

Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Acked-by: Eduardo Habkost <ehabkost@redhat.com> for memory backend and machine core
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20210510114328.21835-6-david@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
David Hildenbrand 2021-05-10 13:43:18 +02:00 committed by Paolo Bonzini
parent d5015b8013
commit 7f863cba4d
5 changed files with 31 additions and 29 deletions
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6
backends/hostmem-ram.c
View file

@ -19,6 +19,7 @@
static void
ram_backend_memory_alloc(HostMemoryBackend *backend, Error **errp)
{
uint32_t ram_flags;
char *name;
if (!backend->size) {
@ -27,8 +28,9 @@ ram_backend_memory_alloc(HostMemoryBackend *backend, Error **errp)
}
name = host_memory_backend_get_name(backend);
memory_region_init_ram_shared_nomigrate(&backend->mr, OBJECT(backend), name,
backend->size, backend->share, errp);
ram_flags = backend->share ? RAM_SHARED : 0;
memory_region_init_ram_flags_nomigrate(&backend->mr, OBJECT(backend), name,
backend->size, ram_flags, errp);
g_free(name);
}

4
hw/m68k/next-cube.c
View file

@ -984,8 +984,8 @@ static void next_cube_init(MachineState *machine)
sysbus_mmio_map(SYS_BUS_DEVICE(pcdev), 1, 0x02100000);
/* BMAP memory */
memory_region_init_ram_shared_nomigrate(bmapm1, NULL, "next.bmapmem", 64,
true, &error_fatal);
memory_region_init_ram_flags_nomigrate(bmapm1, NULL, "next.bmapmem", 64,
RAM_SHARED, &error_fatal);
memory_region_add_subregion(sysmem, 0x020c0000, bmapm1);
/* The Rev_2.5_v66.bin firmware accesses it at 0x820c0020, too */
memory_region_init_alias(bmapm2, NULL, "next.bmapmem2", bmapm1, 0x0, 64);

24
include/exec/memory.h
View file

@ -940,27 +940,27 @@ void memory_region_init_ram_nomigrate(MemoryRegion *mr,
Error **errp);
/**
* memory_region_init_ram_shared_nomigrate: Initialize RAM memory region.
* Accesses into the region will
* modify memory directly.
* memory_region_init_ram_flags_nomigrate: Initialize RAM memory region.
* Accesses into the region will
* modify memory directly.
*
* @mr: the #MemoryRegion to be initialized.
* @owner: the object that tracks the region's reference count
* @name: Region name, becomes part of RAMBlock name used in migration stream
* must be unique within any device
* @size: size of the region.
* @share: allow remapping RAM to different addresses
* @ram_flags: RamBlock flags. Supported flags: RAM_SHARED.
* @errp: pointer to Error*, to store an error if it happens.
*
* Note that this function is similar to memory_region_init_ram_nomigrate.
* The only difference is part of the RAM region can be remapped.
* Note that this function does not do anything to cause the data in the
* RAM memory region to be migrated; that is the responsibility of the caller.
*/
void memory_region_init_ram_shared_nomigrate(MemoryRegion *mr,
Object *owner,
const char *name,
uint64_t size,
bool share,
Error **errp);
void memory_region_init_ram_flags_nomigrate(MemoryRegion *mr,
Object *owner,
const char *name,
uint64_t size,
uint32_t ram_flags,
Error **errp);
/**
* memory_region_init_resizeable_ram: Initialize memory region with resizeable

8
scripts/coccinelle/memory-region-housekeeping.cocci
View file

@ -127,8 +127,8 @@ static void device_fn(DeviceState *dev, ...)
- memory_region_init_rom(E1, NULL, E2, E3, E4);
+ memory_region_init_rom(E1, obj, E2, E3, E4);
|
- memory_region_init_ram_shared_nomigrate(E1, NULL, E2, E3, E4, E5);
+ memory_region_init_ram_shared_nomigrate(E1, obj, E2, E3, E4, E5);
- memory_region_init_ram_flags_nomigrate(E1, NULL, E2, E3, E4, E5);
+ memory_region_init_ram_flags_nomigrate(E1, obj, E2, E3, E4, E5);
)
...+>
}
@ -152,8 +152,8 @@ static void device_fn(DeviceState *dev, ...)
- memory_region_init_rom(E1, NULL, E2, E3, E4);
+ memory_region_init_rom(E1, OBJECT(dev), E2, E3, E4);
|
- memory_region_init_ram_shared_nomigrate(E1, NULL, E2, E3, E4, E5);
+ memory_region_init_ram_shared_nomigrate(E1, OBJECT(dev), E2, E3, E4, E5);
- memory_region_init_ram_flags_nomigrate(E1, NULL, E2, E3, E4, E5);
+ memory_region_init_ram_flags_nomigrate(E1, OBJECT(dev), E2, E3, E4, E5);
)
...+>
}

18
softmmu/memory.c
View file

@ -1531,22 +1531,22 @@ void memory_region_init_ram_nomigrate(MemoryRegion *mr,
uint64_t size,
Error **errp)
{
memory_region_init_ram_shared_nomigrate(mr, owner, name, size, false, errp);
memory_region_init_ram_flags_nomigrate(mr, owner, name, size, 0, errp);
}
void memory_region_init_ram_shared_nomigrate(MemoryRegion *mr,
Object *owner,
const char *name,
uint64_t size,
bool share,
Error **errp)
void memory_region_init_ram_flags_nomigrate(MemoryRegion *mr,
Object *owner,
const char *name,
uint64_t size,
uint32_t ram_flags,
Error **errp)
{
Error *err = NULL;
memory_region_init(mr, owner, name, size);
mr->ram = true;
mr->terminates = true;
mr->destructor = memory_region_destructor_ram;
mr->ram_block = qemu_ram_alloc(size, share, mr, &err);
mr->ram_block = qemu_ram_alloc(size, ram_flags & RAM_SHARED, mr, &err);
if (err) {
mr->size = int128_zero();
object_unparent(OBJECT(mr));
@ -1682,7 +1682,7 @@ void memory_region_init_rom_nomigrate(MemoryRegion *mr,
uint64_t size,
Error **errp)
{
memory_region_init_ram_shared_nomigrate(mr, owner, name, size, false, errp);
memory_region_init_ram_flags_nomigrate(mr, owner, name, size, 0, errp);
mr->readonly = true;
}