From 4a12a11a39a6d8399dd222ae2cebe08a8529224a Mon Sep 17 00:00:00 2001 From: Peter Xu Date: Mon, 3 Jun 2019 14:50:52 +0800 Subject: [PATCH] kvm: Update comments for sync_dirty_bitmap It's obviously obsolete. Do some update. Signed-off-by: Peter Xu Reviewed-by: Juan Quintela Message-Id: <20190603065056.25211-8-peterx@redhat.com> Signed-off-by: Juan Quintela --- accel/kvm/kvm-all.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c index 3d86ae5052..a3df19da56 100644 --- a/accel/kvm/kvm-all.c +++ b/accel/kvm/kvm-all.c @@ -478,13 +478,13 @@ static int kvm_get_dirty_pages_log_range(MemoryRegionSection *section, #define ALIGN(x, y) (((x)+(y)-1) & ~((y)-1)) /** - * kvm_physical_sync_dirty_bitmap - Grab dirty bitmap from kernel space - * This function updates qemu's dirty bitmap using - * memory_region_set_dirty(). This means all bits are set - * to dirty. + * kvm_physical_sync_dirty_bitmap - Sync dirty bitmap from kernel space * - * @start_add: start of logged region. - * @end_addr: end of logged region. + * This function will first try to fetch dirty bitmap from the kernel, + * and then updates qemu's dirty bitmap. + * + * @kml: the KVM memory listener object + * @section: the memory section to sync the dirty bitmap with */ static int kvm_physical_sync_dirty_bitmap(KVMMemoryListener *kml, MemoryRegionSection *section)