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From: Juan Quintela <quintela@redhat.com>
To: qemu-devel@nongnu.org
Subject: [Qemu-devel] [PATCH 09/27] ram: introduce migration_bitmap_sync()
Date: Tue, 24 Jul 2012 20:36:34 +0200	[thread overview]
Message-ID: <1343155012-26316-10-git-send-email-quintela@redhat.com> (raw)
In-Reply-To: <1343155012-26316-1-git-send-email-quintela@redhat.com>

Helper that we use each time that we need to syncronize the migration
bitmap with the other dirty bitmaps.

Signed-off-by: Juan Quintela <quintela@redhat.com>
---
 arch_init.c |   10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/arch_init.c b/arch_init.c
index c49c321..d21b2a3 100644
--- a/arch_init.c
+++ b/arch_init.c
@@ -367,6 +367,12 @@ static inline void migration_bitmap_set_dirty(MemoryRegion *mr, int length)
     }
 }

+static void migration_bitmap_sync(void)
+{
+    memory_global_sync_dirty_bitmap(get_system_memory());
+}
+
+
 /*
  * ram_save_block: Writes a page of memory to the stream f
  *
@@ -631,7 +637,7 @@ static int ram_save_iterate(QEMUFile *f, void *opaque)
             expected_time, migrate_max_downtime());

     if (expected_time <= migrate_max_downtime()) {
-        memory_global_sync_dirty_bitmap(get_system_memory());
+        migration_bitmap_sync();
         expected_time = ram_save_remaining() * TARGET_PAGE_SIZE / bwidth;

         return expected_time <= migrate_max_downtime();
@@ -641,7 +647,7 @@ static int ram_save_iterate(QEMUFile *f, void *opaque)

 static int ram_save_complete(QEMUFile *f, void *opaque)
 {
-    memory_global_sync_dirty_bitmap(get_system_memory());
+    migration_bitmap_sync();

     qemu_mutex_lock_ramlist();

-- 
1.7.10.4

  parent reply	other threads:[~2012-07-24 18:37 UTC|newest]

Thread overview: 45+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-07-24 18:36 [Qemu-devel] [RFC 00/27] Migration thread (WIP) Juan Quintela
2012-07-24 18:36 ` [Qemu-devel] [PATCH 01/27] buffered_file: g_realloc() can't fail Juan Quintela
2012-07-24 18:36 ` [Qemu-devel] [PATCH 02/27] split MRU ram list Juan Quintela
2012-07-25 20:20   ` Michael Roth
2012-07-26 13:19     ` Avi Kivity
2012-07-24 18:36 ` [Qemu-devel] [PATCH 03/27] savevm: Factorize ram globals reset in its own function Juan Quintela
2012-07-24 18:36 ` [Qemu-devel] [PATCH 04/27] add a version number to ram_list Juan Quintela
2012-07-25 23:27   ` Michael Roth
2012-07-26  9:19     ` Juan Quintela
2012-07-24 18:36 ` [Qemu-devel] [PATCH 05/27] protect the ramlist with a separate mutex Juan Quintela
2012-07-24 18:36 ` [Qemu-devel] [PATCH 06/27] ram: introduce migration_bitmap_set_dirty() Juan Quintela
2012-07-24 18:36 ` [Qemu-devel] [PATCH 07/27] ram: Introduce migration_bitmap_test_and_reset_dirty() Juan Quintela
2012-07-24 18:36 ` [Qemu-devel] [PATCH 08/27] ram: Export last_ram_offset() Juan Quintela
2012-07-24 18:36 ` Juan Quintela [this message]
2012-07-24 18:36 ` [Qemu-devel] [PATCH 10/27] Separate migration bitmap Juan Quintela
2012-07-25  9:16   ` Avi Kivity
2012-07-26  9:22     ` Juan Quintela
2012-07-24 18:36 ` [Qemu-devel] [PATCH 11/27] BufferedFile: append, then flush Juan Quintela
2012-07-24 18:36 ` [Qemu-devel] [PATCH 12/27] buffered_file: rename opaque to migration_state Juan Quintela
2012-07-24 18:36 ` [Qemu-devel] [PATCH 13/27] buffered_file: opaque is MigrationState Juan Quintela
2012-07-24 18:36 ` [Qemu-devel] [PATCH 14/27] buffered_file: unfold migrate_fd_put_buffer Juan Quintela
2012-07-24 18:36 ` [Qemu-devel] [PATCH 15/27] buffered_file: unfold migrate_fd_put_ready Juan Quintela
2012-07-24 18:36 ` [Qemu-devel] [PATCH 16/27] buffered_file: unfold migrate_fd_put_buffer Juan Quintela
2012-07-24 18:36 ` [Qemu-devel] [PATCH 17/27] " Juan Quintela
2012-07-24 18:36 ` [Qemu-devel] [PATCH 18/27] buffered_file: We can access directly to bandwidth_limit Juan Quintela
2012-07-24 18:36 ` [Qemu-devel] [PATCH 19/27] buffered_file: Move from using a timer to use a thread Juan Quintela
2012-07-24 18:36 ` [Qemu-devel] [PATCH 20/27] migration: make qemu_fopen_ops_buffered() return void Juan Quintela
2012-07-24 18:36 ` [Qemu-devel] [PATCH 21/27] migration: stop all cpus correctly Juan Quintela
2012-07-26 12:54   ` Eric Blake
2012-07-24 18:36 ` [Qemu-devel] [PATCH 22/27] migration: make writes blocking Juan Quintela
2012-07-24 18:36 ` [Qemu-devel] [PATCH 23/27] migration: remove unfreeze logic Juan Quintela
2012-07-24 18:36 ` [Qemu-devel] [PATCH 24/27] migration: take finer locking Juan Quintela
2012-07-24 18:36 ` [Qemu-devel] [PATCH 25/27] buffered_file: Unfold the trick to restart generating migration data Juan Quintela
2012-07-24 18:36 ` [Qemu-devel] [PATCH 26/27] buffered_file: don't flush on put buffer Juan Quintela
2012-07-24 18:36 ` [Qemu-devel] [PATCH 27/27] buffered_file: unfold buffered_append in buffered_put_buffer Juan Quintela
2012-07-25  9:55 ` [Qemu-devel] [RFC 00/27] Migration thread (WIP) Orit Wasserman
2012-07-26 10:57 ` Jan Kiszka
2012-07-26 11:16   ` Juan Quintela
2012-07-26 11:56     ` Jan Kiszka
     [not found] ` <500EF579.5040607@redhat.com>
2012-07-26 18:41   ` [Qemu-devel] Fwd: " Chegu Vinod
2012-07-26 21:26     ` Chegu Vinod
2012-07-27 11:05       ` Juan Quintela
     [not found]         ` <4168C988EBDF2141B4E0B6475B6A73D1165CDD@G6W2493.americas.hpqcorp.net>
2012-07-27 14:21           ` [Qemu-devel] FW: " Chegu Vinod
2012-07-26 21:36 ` [Qemu-devel] " Michael Roth
2012-08-02 12:01   ` Juan Quintela

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