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Diffstat (limited to 'migration/rdma.c')
-rw-r--r--migration/rdma.c32
1 files changed, 20 insertions, 12 deletions
diff --git a/migration/rdma.c b/migration/rdma.c
index 347d380912..a652e6705f 100644
--- a/migration/rdma.c
+++ b/migration/rdma.c
@@ -534,23 +534,22 @@ static int rdma_add_block(RDMAContext *rdma, const char *block_name,
ram_addr_t block_offset, uint64_t length)
{
RDMALocalBlocks *local = &rdma->local_ram_blocks;
- RDMALocalBlock *block = g_hash_table_lookup(rdma->blockmap,
- (void *)(uintptr_t)block_offset);
+ RDMALocalBlock *block;
RDMALocalBlock *old = local->block;
- assert(block == NULL);
-
local->block = g_malloc0(sizeof(RDMALocalBlock) * (local->nb_blocks + 1));
if (local->nb_blocks) {
int x;
- for (x = 0; x < local->nb_blocks; x++) {
- g_hash_table_remove(rdma->blockmap,
- (void *)(uintptr_t)old[x].offset);
- g_hash_table_insert(rdma->blockmap,
- (void *)(uintptr_t)old[x].offset,
- &local->block[x]);
+ if (rdma->blockmap) {
+ for (x = 0; x < local->nb_blocks; x++) {
+ g_hash_table_remove(rdma->blockmap,
+ (void *)(uintptr_t)old[x].offset);
+ g_hash_table_insert(rdma->blockmap,
+ (void *)(uintptr_t)old[x].offset,
+ &local->block[x]);
+ }
}
memcpy(local->block, old, sizeof(RDMALocalBlock) * local->nb_blocks);
g_free(old);
@@ -572,7 +571,9 @@ static int rdma_add_block(RDMAContext *rdma, const char *block_name,
block->is_ram_block = local->init ? false : true;
- g_hash_table_insert(rdma->blockmap, (void *) block_offset, block);
+ if (rdma->blockmap) {
+ g_hash_table_insert(rdma->blockmap, (void *) block_offset, block);
+ }
trace_rdma_add_block(block_name, local->nb_blocks,
(uintptr_t) block->local_host_addr,
@@ -608,7 +609,6 @@ static int qemu_rdma_init_ram_blocks(RDMAContext *rdma)
RDMALocalBlocks *local = &rdma->local_ram_blocks;
assert(rdma->blockmap == NULL);
- rdma->blockmap = g_hash_table_new(g_direct_hash, g_direct_equal);
memset(local, 0, sizeof *local);
qemu_ram_foreach_block(qemu_rdma_init_one_block, rdma);
trace_qemu_rdma_init_ram_blocks(local->nb_blocks);
@@ -2300,6 +2300,14 @@ static int qemu_rdma_source_init(RDMAContext *rdma, Error **errp, bool pin_all)
goto err_rdma_source_init;
}
+ /* Build the hash that maps from offset to RAMBlock */
+ rdma->blockmap = g_hash_table_new(g_direct_hash, g_direct_equal);
+ for (idx = 0; idx < rdma->local_ram_blocks.nb_blocks; idx++) {
+ g_hash_table_insert(rdma->blockmap,
+ (void *)(uintptr_t)rdma->local_ram_blocks.block[idx].offset,
+ &rdma->local_ram_blocks.block[idx]);
+ }
+
for (idx = 0; idx < RDMA_WRID_MAX; idx++) {
ret = qemu_rdma_reg_control(rdma, idx);
if (ret) {