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spice: use bottom half instead of refresh timer for cursor updates

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Calling directly doesn't work due to the qxl-render code running in
spice server thread context.  Meanwhile bottom half scheduling is
thread-safe though, so we can use that to kick a cursor update in
main i/o thread context.

Cc: Marc-André Lureau <marcandre.lureau@gmail.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Gerd Hoffmann 2014-11-04 13:59:59 +01:00
parent dfa9c2a0f4
commit 0b2824e5e4
4 changed files with 15 additions and 7 deletions
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12
ui/spice-display.c
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@ -438,7 +438,7 @@ void qemu_spice_display_switch(SimpleSpiceDisplay *ssd,
ssd->notify++;
}
void qemu_spice_cursor_refresh_unlocked(SimpleSpiceDisplay *ssd)
static void qemu_spice_cursor_refresh_unlocked(SimpleSpiceDisplay *ssd)
{
if (ssd->cursor) {
assert(ssd->dcl.con);
@ -454,6 +454,15 @@ void qemu_spice_cursor_refresh_unlocked(SimpleSpiceDisplay *ssd)
}
}
void qemu_spice_cursor_refresh_bh(void *opaque)
{
SimpleSpiceDisplay *ssd = opaque;
qemu_mutex_lock(&ssd->lock);
qemu_spice_cursor_refresh_unlocked(ssd);
qemu_mutex_unlock(&ssd->lock);
}
void qemu_spice_display_refresh(SimpleSpiceDisplay *ssd)
{
dprint(3, "%s/%d:\n", __func__, ssd->qxl.id);
@ -464,7 +473,6 @@ void qemu_spice_display_refresh(SimpleSpiceDisplay *ssd)
qemu_spice_create_update(ssd);
ssd->notify++;
}
qemu_spice_cursor_refresh_unlocked(ssd);
qemu_mutex_unlock(&ssd->lock);
if (ssd->notify) {