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system/memory: constify section arguments

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The sections shouldn't be modified.

Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@oss.qualcomm.com>
Acked-by: Maciej S. Szmigiero <maciej.szmigiero@oracle.com> # for CPR
Acked-by: David Hildenbrand (Arm) <david@kernel.org>
Link: https://lore.kernel.org/r/20260604-rdm5-v5-3-5768e6a0943d@redhat.com
Signed-off-by: Peter Xu <peterx@redhat.com>
This commit is contained in:
Marc-André Lureau
2026-06-04 17:43:49 +04:00
committed by Peter Xu
parent d444e348b1
commit 49a159baae
10 changed files with 35 additions and 35 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
hw/vfio/cpr-legacy.c
View File

@@ -226,7 +226,7 @@ void vfio_cpr_giommu_remap(VFIOContainer *bcontainer,
memory_region_iommu_replay(giommu->iommu_mr, &giommu->n);
}
static int vfio_cpr_rdm_remap(MemoryRegionSection *section, void *opaque)
static int vfio_cpr_rdm_remap(const MemoryRegionSection *section, void *opaque)
{
RamDiscardListener *rdl = opaque;
@@ -242,7 +242,7 @@ static int vfio_cpr_rdm_remap(MemoryRegionSection *section, void *opaque)
* directly, which calls vfio_legacy_cpr_dma_map.
*/
bool vfio_cpr_ram_discard_replay_populated(VFIOContainer *bcontainer,
MemoryRegionSection *section)
const MemoryRegionSection *section)
{
RamDiscardManager *rdm = memory_region_get_ram_discard_manager(section->mr);
VFIORamDiscardListener *vrdl =

10
hw/vfio/listener.c
View File

@@ -201,7 +201,7 @@ out:
}
static void vfio_ram_discard_notify_discard(RamDiscardListener *rdl,
MemoryRegionSection *section)
const MemoryRegionSection *section)
{
VFIORamDiscardListener *vrdl = container_of(rdl, VFIORamDiscardListener,
listener);
@@ -219,7 +219,7 @@ static void vfio_ram_discard_notify_discard(RamDiscardListener *rdl,
}
static int vfio_ram_discard_notify_populate(RamDiscardListener *rdl,
MemoryRegionSection *section)
const MemoryRegionSection *section)
{
VFIORamDiscardListener *vrdl = container_of(rdl, VFIORamDiscardListener,
listener);
@@ -461,7 +461,7 @@ static void vfio_device_error_append(VFIODevice *vbasedev, Error **errp)
}
VFIORamDiscardListener *vfio_find_ram_discard_listener(
VFIOContainer *bcontainer, MemoryRegionSection *section)
VFIOContainer *bcontainer, const MemoryRegionSection *section)
{
VFIORamDiscardListener *vrdl;
@@ -1149,8 +1149,8 @@ out:
}
}
static int vfio_ram_discard_query_dirty_bitmap(MemoryRegionSection *section,
void *opaque)
static int vfio_ram_discard_query_dirty_bitmap(const MemoryRegionSection *section,
void *opaque)
{
const hwaddr size = int128_get64(section->size);
const hwaddr iova = section->offset_within_address_space;

10
hw/virtio/virtio-mem.c
View File

@@ -262,7 +262,7 @@ static int virtio_mem_for_each_plugged_range(VirtIOMEM *vmem, void *arg,
typedef int (*virtio_mem_section_cb)(MemoryRegionSection *s, void *arg);
static int virtio_mem_for_each_plugged_section(const VirtIOMEM *vmem,
MemoryRegionSection *s,
const MemoryRegionSection *s,
void *arg,
virtio_mem_section_cb cb)
{
@@ -294,7 +294,7 @@ static int virtio_mem_for_each_plugged_section(const VirtIOMEM *vmem,
}
static int virtio_mem_for_each_unplugged_section(const VirtIOMEM *vmem,
MemoryRegionSection *s,
const MemoryRegionSection *s,
void *arg,
virtio_mem_section_cb cb)
{
@@ -1680,7 +1680,7 @@ static int virtio_mem_rds_replay_cb(MemoryRegionSection *s, void *arg)
}
static int virtio_mem_rds_replay_populated(const RamDiscardSource *rds,
MemoryRegionSection *s,
const MemoryRegionSection *s,
ReplayRamDiscardState replay_fn,
void *opaque)
{
@@ -1692,11 +1692,11 @@ static int virtio_mem_rds_replay_populated(const RamDiscardSource *rds,
g_assert(s->mr == &vmem->memdev->mr);
return virtio_mem_for_each_plugged_section(vmem, s, &data,
virtio_mem_rds_replay_cb);
virtio_mem_rds_replay_cb);
}
static int virtio_mem_rds_replay_discarded(const RamDiscardSource *rds,
MemoryRegionSection *s,
const MemoryRegionSection *s,
ReplayRamDiscardState replay_fn,
void *opaque)
{

2
include/hw/vfio/vfio-container.h
View File

@@ -277,7 +277,7 @@ struct VFIOIOMMUClass {
};
VFIORamDiscardListener *vfio_find_ram_discard_listener(
VFIOContainer *bcontainer, MemoryRegionSection *section);
VFIOContainer *bcontainer, const MemoryRegionSection *section);
void vfio_container_region_add(VFIOContainer *bcontainer,
MemoryRegionSection *section, bool cpr_remap);

2
include/hw/vfio/vfio-cpr.h
View File

@@ -69,7 +69,7 @@ void vfio_cpr_giommu_remap(struct VFIOContainer *bcontainer,
MemoryRegionSection *section);
bool vfio_cpr_ram_discard_replay_populated(
struct VFIOContainer *bcontainer, MemoryRegionSection *section);
struct VFIOContainer *bcontainer, const MemoryRegionSection *section);
void vfio_cpr_save_vector_fd(struct VFIOPCIDevice *vdev, const char *name,
int nr, int fd);

14
include/system/ram-discard-manager.h
View File

@@ -26,9 +26,9 @@ DECLARE_OBJ_CHECKERS(RamDiscardSource, RamDiscardSourceClass,
typedef struct RamDiscardListener RamDiscardListener;
typedef int (*NotifyRamPopulate)(RamDiscardListener *rdl,
MemoryRegionSection *section);
const MemoryRegionSection *section);
typedef void (*NotifyRamDiscard)(RamDiscardListener *rdl,
MemoryRegionSection *section);
const MemoryRegionSection *section);
struct RamDiscardListener {
/*
@@ -86,7 +86,7 @@ static inline void ram_discard_listener_init(RamDiscardListener *rdl,
*
* Returns 0 on success, or a negative error if failed.
*/
typedef int (*ReplayRamDiscardState)(MemoryRegionSection *section,
typedef int (*ReplayRamDiscardState)(const MemoryRegionSection *section,
void *opaque);
/*
@@ -151,7 +151,7 @@ struct RamDiscardSourceClass {
* Returns 0 on success, or a negative error if any notification failed.
*/
int (*replay_populated)(const RamDiscardSource *rds,
MemoryRegionSection *section,
const MemoryRegionSection *section,
ReplayRamDiscardState replay_fn, void *opaque);
/**
@@ -168,7 +168,7 @@ struct RamDiscardSourceClass {
* Returns 0 on success, or a negative error if any notification failed.
*/
int (*replay_discarded)(const RamDiscardSource *rds,
MemoryRegionSection *section,
const MemoryRegionSection *section,
ReplayRamDiscardState replay_fn, void *opaque);
};
@@ -237,7 +237,7 @@ bool ram_discard_manager_is_populated(const RamDiscardManager *rdm,
* Returns 0 on success, or a negative error if any notification failed.
*/
int ram_discard_manager_replay_populated(const RamDiscardManager *rdm,
MemoryRegionSection *section,
const MemoryRegionSection *section,
ReplayRamDiscardState replay_fn,
void *opaque);
@@ -255,7 +255,7 @@ int ram_discard_manager_replay_populated(const RamDiscardManager *rdm,
* Returns 0 on success, or a negative error if any notification failed.
*/
int ram_discard_manager_replay_discarded(const RamDiscardManager *rdm,
MemoryRegionSection *section,
const MemoryRegionSection *section,
ReplayRamDiscardState replay_fn,
void *opaque);

6
migration/ram.c
View File

@@ -860,7 +860,7 @@ static inline bool migration_bitmap_clear_dirty(RAMState *rs,
return ret;
}
static int dirty_bitmap_clear_section(MemoryRegionSection *section,
static int dirty_bitmap_clear_section(const MemoryRegionSection *section,
void *opaque)
{
const hwaddr offset = section->offset_within_region;
@@ -1588,7 +1588,7 @@ static inline void populate_read_range(RAMBlock *block, ram_addr_t offset,
}
}
static inline int populate_read_section(MemoryRegionSection *section,
static inline int populate_read_section(const MemoryRegionSection *section,
void *opaque)
{
const hwaddr size = int128_get64(section->size);
@@ -1663,7 +1663,7 @@ void ram_write_tracking_prepare(void)
}
}
static inline int uffd_protect_section(MemoryRegionSection *section,
static inline int uffd_protect_section(const MemoryRegionSection *section,
void *opaque)
{
const hwaddr size = int128_get64(section->size);

4
system/memory_mapping.c
View File

@@ -196,7 +196,7 @@ typedef struct GuestPhysListener {
} GuestPhysListener;
static void guest_phys_block_add_section(GuestPhysListener *g,
MemoryRegionSection *section)
const MemoryRegionSection *section)
{
const hwaddr target_start = section->offset_within_address_space;
const hwaddr target_end = target_start + int128_get64(section->size);
@@ -248,7 +248,7 @@ static void guest_phys_block_add_section(GuestPhysListener *g,
#endif
}
static int guest_phys_ram_populate_cb(MemoryRegionSection *section,
static int guest_phys_ram_populate_cb(const MemoryRegionSection *section,
void *opaque)
{
GuestPhysListener *g = opaque;

8
system/ram-block-attributes.c
View File

@@ -37,7 +37,7 @@ typedef int (*ram_block_attributes_section_cb)(MemoryRegionSection *s,
static int
ram_block_attributes_for_each_populated_section(const RamBlockAttributes *attr,
MemoryRegionSection *section,
const MemoryRegionSection *section,
void *arg,
ram_block_attributes_section_cb cb)
{
@@ -78,7 +78,7 @@ ram_block_attributes_for_each_populated_section(const RamBlockAttributes *attr,
static int
ram_block_attributes_for_each_discarded_section(const RamBlockAttributes *attr,
MemoryRegionSection *section,
const MemoryRegionSection *section,
void *arg,
ram_block_attributes_section_cb cb)
{
@@ -161,7 +161,7 @@ ram_block_attributes_rds_is_populated(const RamDiscardSource *rds,
static int
ram_block_attributes_rds_replay_populated(const RamDiscardSource *rds,
MemoryRegionSection *section,
const MemoryRegionSection *section,
ReplayRamDiscardState replay_fn,
void *opaque)
{
@@ -175,7 +175,7 @@ ram_block_attributes_rds_replay_populated(const RamDiscardSource *rds,
static int
ram_block_attributes_rds_replay_discarded(const RamDiscardSource *rds,
MemoryRegionSection *section,
const MemoryRegionSection *section,
ReplayRamDiscardState replay_fn,
void *opaque)
{

10
system/ram-discard-manager.c
View File

@@ -28,7 +28,7 @@ static bool ram_discard_source_is_populated(const RamDiscardSource *rds,
}
static int ram_discard_source_replay_populated(const RamDiscardSource *rds,
MemoryRegionSection *section,
const MemoryRegionSection *section,
ReplayRamDiscardState replay_fn,
void *opaque)
{
@@ -39,7 +39,7 @@ static int ram_discard_source_replay_populated(const RamDiscardSource *rds,
}
static int ram_discard_source_replay_discarded(const RamDiscardSource *rds,
MemoryRegionSection *section,
const MemoryRegionSection *section,
ReplayRamDiscardState replay_fn,
void *opaque)
{
@@ -74,7 +74,7 @@ bool ram_discard_manager_is_populated(const RamDiscardManager *rdm,
}
int ram_discard_manager_replay_populated(const RamDiscardManager *rdm,
MemoryRegionSection *section,
const MemoryRegionSection *section,
ReplayRamDiscardState replay_fn,
void *opaque)
{
@@ -83,7 +83,7 @@ int ram_discard_manager_replay_populated(const RamDiscardManager *rdm,
}
int ram_discard_manager_replay_discarded(const RamDiscardManager *rdm,
MemoryRegionSection *section,
const MemoryRegionSection *section,
ReplayRamDiscardState replay_fn,
void *opaque)
{
@@ -164,7 +164,7 @@ void ram_discard_manager_notify_discard_all(RamDiscardManager *rdm)
}
}
static int rdm_populate_cb(MemoryRegionSection *section, void *opaque)
static int rdm_populate_cb(const MemoryRegionSection *section, void *opaque)
{
RamDiscardListener *rdl = opaque;