[Xen-changelog] [linux-2.6.18-xen] xenfb: eliminate the update_wanted field.

["Xen patchbot-linux-2.6.18-xen" <patchbot-linux-2.6.18-xen@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1233228538 0
# Node ID 8197c86e67294835c9d90540cf776c373664c3ef
# Parent  51decc39e5e73ea201d0b96108f8a893106a6864
xenfb: eliminate the update_wanted field.

Signed-off-by: Akio Takebe <takebe_akio@xxxxxxxxxxxxxx>
---
 drivers/xen/fbfront/xenfb.c |   25 ++++++++++++-------------
 1 files changed, 12 insertions(+), 13 deletions(-)

diff -r 51decc39e5e7 -r 8197c86e6729 drivers/xen/fbfront/xenfb.c
--- a/drivers/xen/fbfront/xenfb.c       Wed Jan 28 13:42:09 2009 +0000
+++ b/drivers/xen/fbfront/xenfb.c       Thu Jan 29 11:28:58 2009 +0000
@@ -61,7 +61,6 @@ struct xenfb_info
        int                     irq;
        struct xenfb_page       *page;
        unsigned long           *mfns;
-       int                     update_wanted; /* XENFB_TYPE_UPDATE wanted */
        int                     feature_resize; /* Backend has resize feature */
        struct xenfb_resize     resize;
        int                     resize_dpy;
@@ -208,8 +207,6 @@ static void xenfb_update_screen(struct x
        int y1, y2, x1, x2;
        struct xenfb_mapping *map;
 
-       if (!info->update_wanted)
-               return;
        if (xenfb_queue_full(info))
                return;
 
@@ -823,22 +820,24 @@ static void xenfb_backend_changed(struct
                if (dev->state != XenbusStateConnected)
                        goto InitWait; /* no InitWait seen yet, fudge it */
 
-               if (xenbus_scanf(XBT_NIL, info->xbdev->otherend,
-                                "request-update", "%d", &val) < 0)
-                       val = 0;
-               if (val)
-                       info->update_wanted = 1;
 
                if (xenbus_scanf(XBT_NIL, dev->otherend,
                                        "feature-resize", "%d", &val) < 0)
                        val = 0;
                info->feature_resize = val;
 
-               info->kthread = kthread_run(xenfb_thread, info, "xenfb thread");
-               if (IS_ERR(info->kthread)) {
-                       info->kthread = NULL;
-                       xenbus_dev_fatal(dev, PTR_ERR(info->kthread),
-                                       "register_framebuffer");
+               if (xenbus_scanf(XBT_NIL, info->xbdev->otherend,
+                                "request-update", "%d", &val) < 0)
+                       val = 0;
+
+               if (val){
+                       info->kthread = kthread_run(xenfb_thread, info,
+                                                   "xenfb thread");
+                       if (IS_ERR(info->kthread)) {
+                               info->kthread = NULL;
+                               xenbus_dev_fatal(dev, PTR_ERR(info->kthread),
+                                               "register_framebuffer");
+                       }
                }
                break;
 

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