[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PATCH 15/17] migration-unix: page flipping support on unix
From: |
Lei Li |
Subject: |
[Qemu-devel] [PATCH 15/17] migration-unix: page flipping support on unix outgoing |
Date: |
Tue, 22 Oct 2013 11:25:39 +0800 |
Add page flipping support on unix outgoing part by stopping
VM with the new RunState RUN_STATE_FLIPPING_MIGRATE before
invoking migration if unix_page_flipping enabled.
Signed-off-by: Lei Li <address@hidden>
---
migration-unix.c | 13 ++++++++++++-
1 files changed, 12 insertions(+), 1 deletions(-)
diff --git a/migration-unix.c b/migration-unix.c
index d3a151a..f2bfd38 100644
--- a/migration-unix.c
+++ b/migration-unix.c
@@ -19,6 +19,7 @@
#include "migration/migration.h"
#include "migration/qemu-file.h"
#include "block/block.h"
+#include "sysemu/sysemu.h"
//#define DEBUG_MIGRATION_UNIX
@@ -33,11 +34,12 @@
static void unix_wait_for_connect(int fd, void *opaque)
{
MigrationState *s = opaque;
+ int ret;
if (fd < 0) {
DPRINTF("migrate connect error\n");
s->file = NULL;
- goto fails;
+ goto fail;
} else {
DPRINTF("migrate connect success\n");
@@ -47,6 +49,15 @@ static void unix_wait_for_connect(int fd, void *opaque)
goto fail;
}
+ /* Stop VM before invoking migration if unix_page_flipping enabled */
+ if (migrate_unix_page_flipping()) {
+ ret = vm_stop_force_state(RUN_STATE_FLIPPING_MIGRATE);
+ if (ret < 0) {
+ DPRINTF("failed to stop VM\n");
+ goto fail;
+ }
+ }
+
migrate_fd_connect(s);
return;
}
--
1.7.7.6
[Qemu-devel] [PATCH 15/17] migration-unix: page flipping support on unix outgoing,
Lei Li <=
[Qemu-devel] [PATCH 16/17] migration: adjust migration_thread() process for page flipping, Lei Li, 2013/10/21
[Qemu-devel] [PATCH 17/17] hmp: better format for info migrate_capabilities, Lei Li, 2013/10/21
Re: [Qemu-devel] [PATCH 0/17 v2] Localhost migration with side channel for ram, Paolo Bonzini, 2013/10/24