Re: [RFC][PATCH 12/13] Kemari: use signal to save qemu state for Kemari

[Yoshiaki Tamura <tamura.yoshiaki@lab.ntt.co.jp>]

This is an updated version of the following patch.  Some codes are
removed since signal will not be used any more.

http://lists.xensource.com/archives/html/xen-devel/2009-03/msg00756.html

Signed-off-by: Yoshisato Yanagisawa <yanagisawa.yoshisato@lab.ntt.co.jp>
Signed-off-by: Yoshi Tamura <tamura.yoshiaki@lab.ntt.co.jp>
---
 vl.c              |    4 ++++
 xen-config-host.h |    1 +
 2 files changed, 5 insertions(+)

diff --git a/vl.c b/vl.c
index 8539f6d..d84f43b 100644
--- a/vl.c
+++ b/vl.c
@@ -274,6 +274,8 @@ static int icount_time_shift;
 static int64_t qemu_icount_bias;
 static QEMUTimer *icount_rt_timer;
 static QEMUTimer *icount_vm_timer;
+/* Kemari */
+volatile int kemari_enabled = 0;

 uint8_t qemu_uuid[16];

@@ -6961,6 +6963,8 @@ int qemu_savevm_state_complete(QEMUFile *f)

     for(se = first_se; se != NULL; se = se->next) {
         int len;
+        if (kemari_enabled && strstr(se->idstr, "vga"))
+            continue;

 	if (se->save_state == NULL)
 	    continue;
diff --git a/xen-config-host.h b/xen-config-host.h
index 3d53364..8c7fa28 100644
--- a/xen-config-host.h
+++ b/xen-config-host.h
@@ -41,3 +41,4 @@ void xenstore_store_serial_port_info(int i, struct CharDriverState *chr,

 extern unsigned long *logdirty_bitmap;
 extern unsigned long logdirty_bitmap_size;
+extern volatile int kemari_enabled;