From f798b07f517143df3a1e38bccc3f72ade2f080dc Mon Sep 17 00:00:00 2001 From: Umesh Deshpande Date: Thu, 18 Aug 2011 11:41:17 -0700 Subject: add a version number to ram_list This will be used to detect if last_block might have become invalid across different calls to ram_save_live. Signed-off-by: Paolo Bonzini Signed-off-by: Umesh Deshpande Signed-off-by: Juan Quintela Reviewed-by: Orit Wasserman --- exec.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'exec.c') diff --git a/exec.c b/exec.c index 1ee4fa649d..8478bef548 100644 --- a/exec.c +++ b/exec.c @@ -1056,6 +1056,8 @@ ram_addr_t qemu_ram_alloc_from_ptr(ram_addr_t size, void *host, } ram_list.mru_block = NULL; + ram_list.version++; + ram_list.phys_dirty = g_realloc(ram_list.phys_dirty, last_ram_offset() >> TARGET_PAGE_BITS); memset(ram_list.phys_dirty + (new_block->offset >> TARGET_PAGE_BITS), @@ -1084,6 +1086,7 @@ void qemu_ram_free_from_ptr(ram_addr_t addr) if (addr == block->offset) { QTAILQ_REMOVE(&ram_list.blocks, block, next); ram_list.mru_block = NULL; + ram_list.version++; g_free(block); return; } @@ -1098,6 +1101,7 @@ void qemu_ram_free(ram_addr_t addr) if (addr == block->offset) { QTAILQ_REMOVE(&ram_list.blocks, block, next); ram_list.mru_block = NULL; + ram_list.version++; if (block->flags & RAM_PREALLOC_MASK) { ; } else if (mem_path) { -- cgit v1.2.3-55-g7522