From 0f7bfd8198ffad58a5095ac5d7a46288ea7f5c6e Mon Sep 17 00:00:00 2001 From: Alon Levy Date: Thu, 24 May 2012 19:18:53 +0300 Subject: [PATCH] qxl: stop dirty loging when not in vga mode Tested with linux guest. Not sure how to check actual performance affect of this. Checked with the previously send traceevent that the kvm ioctl to start/stop dirty logging is being called. (KVM_SET_USER_MEMORY_REGION). Signed-off-by: Alon Levy Signed-off-by: Gerd Hoffmann --- hw/qxl.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/hw/qxl.c b/hw/qxl.c index 8777ba9615..5a7be60668 100644 --- a/hw/qxl.c +++ b/hw/qxl.c @@ -932,6 +932,7 @@ static void qxl_enter_vga_mode(PCIQXLDevice *d) qemu_spice_create_host_primary(&d->ssd); d->mode = QXL_MODE_VGA; memset(&d->ssd.dirty, 0, sizeof(d->ssd.dirty)); + vga_dirty_log_start(&d->vga); } static void qxl_exit_vga_mode(PCIQXLDevice *d) @@ -940,6 +941,7 @@ static void qxl_exit_vga_mode(PCIQXLDevice *d) return; } trace_qxl_exit_vga_mode(d->id); + vga_dirty_log_stop(&d->vga); qxl_destroy_primary(d, QXL_SYNC); }