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[Qemu-devel] [PATCH] qxl: stop dirty loging when not in vga mode
From: |
Alon Levy |
Subject: |
[Qemu-devel] [PATCH] qxl: stop dirty loging when not in vga mode |
Date: |
Wed, 23 May 2012 14:19:16 +0300 |
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 <address@hidden>
---
hw/qxl.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/hw/qxl.c b/hw/qxl.c
index 8ebab6f..cf21cbb 100644
--- a/hw/qxl.c
+++ b/hw/qxl.c
@@ -933,6 +933,7 @@ 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)
@@ -941,6 +942,7 @@ 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);
}
--
1.7.10.1
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