diff options
| -rw-r--r-- | exec.c | 34 | ||||
| -rw-r--r-- | include/exec/cpu-common.h | 4 | ||||
| -rw-r--r-- | include/exec/ram_addr.h | 2 | ||||
| -rw-r--r-- | memory.c | 2 | ||||
| -rw-r--r-- | migration/ram.c | 2 | ||||
| -rw-r--r-- | migration/savevm.c | 4 |
6 files changed, 14 insertions, 34 deletions
@@ -1411,34 +1411,18 @@ static void qemu_ram_setup_dump(void *addr, ram_addr_t size) } } -/* Called within an RCU critical section, or while the ramlist lock - * is held. - */ -static RAMBlock *find_ram_block(ram_addr_t addr) -{ - RAMBlock *block; - - QLIST_FOREACH_RCU(block, &ram_list.blocks, next) { - if (block->offset == addr) { - return block; - } - } - - return NULL; -} - const char *qemu_ram_get_idstr(RAMBlock *rb) { return rb->idstr; } /* Called with iothread lock held. */ -void qemu_ram_set_idstr(ram_addr_t addr, const char *name, DeviceState *dev) +void qemu_ram_set_idstr(RAMBlock *new_block, const char *name, DeviceState *dev) { - RAMBlock *new_block, *block; + RAMBlock *block; rcu_read_lock(); - new_block = find_ram_block(addr); + assert(new_block); assert(!new_block->idstr[0]); @@ -1452,7 +1436,8 @@ void qemu_ram_set_idstr(ram_addr_t addr, const char *name, DeviceState *dev) pstrcat(new_block->idstr, sizeof(new_block->idstr), name); QLIST_FOREACH_RCU(block, &ram_list.blocks, next) { - if (block != new_block && !strcmp(block->idstr, new_block->idstr)) { + if (block != new_block && + !strcmp(block->idstr, new_block->idstr)) { fprintf(stderr, "RAMBlock \"%s\" already registered, abort!\n", new_block->idstr); abort(); @@ -1462,17 +1447,14 @@ void qemu_ram_set_idstr(ram_addr_t addr, const char *name, DeviceState *dev) } /* Called with iothread lock held. */ -void qemu_ram_unset_idstr(ram_addr_t addr) +void qemu_ram_unset_idstr(RAMBlock *block) { - RAMBlock *block; - /* FIXME: arch_init.c assumes that this is not called throughout * migration. Ignore the problem since hot-unplug during migration * does not work anyway. */ rcu_read_lock(); - block = find_ram_block(addr); if (block) { memset(block->idstr, 0, sizeof(block->idstr)); } @@ -1496,10 +1478,8 @@ static int memory_try_enable_merging(void *addr, size_t len) * resize callback to update device state and/or add assertions to detect * misuse, if necessary. */ -int qemu_ram_resize(ram_addr_t base, ram_addr_t newsize, Error **errp) +int qemu_ram_resize(RAMBlock *block, ram_addr_t newsize, Error **errp) { - RAMBlock *block = find_ram_block(base); - assert(block); newsize = HOST_PAGE_ALIGN(newsize); diff --git a/include/exec/cpu-common.h b/include/exec/cpu-common.h index 04eade5b7b..a2c3b92742 100644 --- a/include/exec/cpu-common.h +++ b/include/exec/cpu-common.h @@ -61,8 +61,8 @@ MemoryRegion *qemu_ram_addr_from_host(void *ptr, ram_addr_t *ram_addr); RAMBlock *qemu_ram_block_by_name(const char *name); RAMBlock *qemu_ram_block_from_host(void *ptr, bool round_offset, ram_addr_t *ram_addr, ram_addr_t *offset); -void qemu_ram_set_idstr(ram_addr_t addr, const char *name, DeviceState *dev); -void qemu_ram_unset_idstr(ram_addr_t addr); +void qemu_ram_set_idstr(RAMBlock *block, const char *name, DeviceState *dev); +void qemu_ram_unset_idstr(RAMBlock *block); const char *qemu_ram_get_idstr(RAMBlock *rb); void cpu_physical_memory_rw(hwaddr addr, uint8_t *buf, diff --git a/include/exec/ram_addr.h b/include/exec/ram_addr.h index 5adf7a4fcd..5b6e1b8b86 100644 --- a/include/exec/ram_addr.h +++ b/include/exec/ram_addr.h @@ -110,7 +110,7 @@ void qemu_set_ram_fd(ram_addr_t addr, int fd); void *qemu_get_ram_block_host_ptr(ram_addr_t addr); void qemu_ram_free(RAMBlock *block); -int qemu_ram_resize(ram_addr_t base, ram_addr_t newsize, Error **errp); +int qemu_ram_resize(RAMBlock *block, ram_addr_t newsize, Error **errp); #define DIRTY_CLIENTS_ALL ((1 << DIRTY_MEMORY_NUM) - 1) #define DIRTY_CLIENTS_NOCODE (DIRTY_CLIENTS_ALL & ~(1 << DIRTY_MEMORY_CODE)) @@ -1673,7 +1673,7 @@ void memory_region_ram_resize(MemoryRegion *mr, ram_addr_t newsize, Error **errp { assert(mr->ram_block); - qemu_ram_resize(memory_region_get_ram_addr(mr), newsize, errp); + qemu_ram_resize(mr->ram_block, newsize, errp); } static void memory_region_update_coalesced_range_as(MemoryRegion *mr, AddressSpace *as) diff --git a/migration/ram.c b/migration/ram.c index 5e88080faf..6b6900e4c1 100644 --- a/migration/ram.c +++ b/migration/ram.c @@ -2478,7 +2478,7 @@ static int ram_load(QEMUFile *f, void *opaque, int version_id) if (length != block->used_length) { Error *local_err = NULL; - ret = qemu_ram_resize(block->offset, length, + ret = qemu_ram_resize(block, length, &local_err); if (local_err) { error_report_err(local_err); diff --git a/migration/savevm.c b/migration/savevm.c index bfb3d9178f..9bc362a1d3 100644 --- a/migration/savevm.c +++ b/migration/savevm.c @@ -2229,13 +2229,13 @@ void hmp_info_snapshots(Monitor *mon, const QDict *qdict) void vmstate_register_ram(MemoryRegion *mr, DeviceState *dev) { - qemu_ram_set_idstr(memory_region_get_ram_addr(mr) & TARGET_PAGE_MASK, + qemu_ram_set_idstr(mr->ram_block, memory_region_name(mr), dev); } void vmstate_unregister_ram(MemoryRegion *mr, DeviceState *dev) { - qemu_ram_unset_idstr(memory_region_get_ram_addr(mr) & TARGET_PAGE_MASK); + qemu_ram_unset_idstr(mr->ram_block); } void vmstate_register_ram_global(MemoryRegion *mr) |