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[Qemu-devel] [PATCH 09/41] ram: introduce migration_bitmap_set_dirty()
From: |
Juan Quintela |
Subject: |
[Qemu-devel] [PATCH 09/41] ram: introduce migration_bitmap_set_dirty() |
Date: |
Fri, 21 Sep 2012 10:47:03 +0200 |
It just marks a region of memory as dirty.
Signed-off-by: Juan Quintela <address@hidden>
---
arch_init.c | 20 +++++++++++++-------
1 file changed, 13 insertions(+), 7 deletions(-)
diff --git a/arch_init.c b/arch_init.c
index 57f7f1a..b2dcc24 100644
--- a/arch_init.c
+++ b/arch_init.c
@@ -332,6 +332,18 @@ static int save_xbzrle_page(QEMUFile *f, uint8_t
*current_data,
static RAMBlock *last_block;
static ram_addr_t last_offset;
+static inline void migration_bitmap_set_dirty(MemoryRegion *mr, int length)
+{
+ ram_addr_t addr;
+
+ for (addr = 0; addr < length; addr += TARGET_PAGE_SIZE) {
+ if (!memory_region_get_dirty(mr, addr, TARGET_PAGE_SIZE,
+ DIRTY_MEMORY_MIGRATION)) {
+ memory_region_set_dirty(mr, addr, TARGET_PAGE_SIZE);
+ }
+ }
+}
+
/*
* ram_save_block: Writes a page of memory to the stream f
*
@@ -494,7 +506,6 @@ static void reset_ram_globals(void)
static int ram_save_setup(QEMUFile *f, void *opaque)
{
- ram_addr_t addr;
RAMBlock *block;
memory_global_sync_dirty_bitmap(get_system_memory());
@@ -516,12 +527,7 @@ static int ram_save_setup(QEMUFile *f, void *opaque)
/* Make sure all dirty bits are set */
QLIST_FOREACH(block, &ram_list.blocks, next) {
- for (addr = 0; addr < block->length; addr += TARGET_PAGE_SIZE) {
- if (!memory_region_get_dirty(block->mr, addr, TARGET_PAGE_SIZE,
- DIRTY_MEMORY_MIGRATION)) {
- memory_region_set_dirty(block->mr, addr, TARGET_PAGE_SIZE);
- }
- }
+ migration_bitmap_set_dirty(block->mr, block->length);
}
memory_global_dirty_log_start();
--
1.7.11.4
- Re: [Qemu-devel] [PATCH 03/41] migration: store end_time in a local variable, (continued)
- [Qemu-devel] [PATCH 04/41] migration: print total downtime for final phase of migration, Juan Quintela, 2012/09/21
- [Qemu-devel] [PATCH 08/41] savevm: Factorize ram globals reset in its own function, Juan Quintela, 2012/09/21
- [Qemu-devel] [PATCH 07/41] migration: print expected downtime in info migrate, Juan Quintela, 2012/09/21
- [Qemu-devel] [PATCH 06/41] migration: export migrate_get_current(), Juan Quintela, 2012/09/21
- [Qemu-devel] [PATCH 11/41] ram: Export last_ram_offset(), Juan Quintela, 2012/09/21
- [Qemu-devel] [PATCH 09/41] ram: introduce migration_bitmap_set_dirty(),
Juan Quintela <=
- [Qemu-devel] [PATCH 16/41] BufferedFile: append, then flush, Juan Quintela, 2012/09/21
- [Qemu-devel] [PATCH 12/41] ram: introduce migration_bitmap_sync(), Juan Quintela, 2012/09/21
- [Qemu-devel] [PATCH 10/41] ram: Introduce migration_bitmap_test_and_reset_dirty(), Juan Quintela, 2012/09/21
- [Qemu-devel] [PATCH 14/41] Separate migration bitmap, Juan Quintela, 2012/09/21
- [Qemu-devel] [PATCH 17/41] buffered_file: rename opaque to migration_state, Juan Quintela, 2012/09/21
- [Qemu-devel] [PATCH 20/41] buffered_file: unfold migrate_fd_put_ready, Juan Quintela, 2012/09/21
- [Qemu-devel] [PATCH 18/41] buffered_file: opaque is MigrationState, Juan Quintela, 2012/09/21