From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: [PATCH] kvm: flush the dirty log when unregistering a slot Date: Sun, 15 Jan 2012 16:17:31 +0200 Message-ID: <1326637051-23920-1-git-send-email-avi@redhat.com> Cc: Marcelo Tosatti , qemu-devel@nongnu.org, kvm@vger.kernel.org To: Jan Kiszka Return-path: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+gceq-qemu-devel=gmane.org@nongnu.org Sender: qemu-devel-bounces+gceq-qemu-devel=gmane.org@nongnu.org List-Id: kvm.vger.kernel.org Otherwise, the dirty log information is lost in the kernel forever. Fixes opensuse-12.1 boot screen, which changes the vga windows rapidly. Signed-off-by: Avi Kivity --- This patch gives me a deja vu - I'm sure I've fixed exactly the same issue before. Please test. kvm-all.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/kvm-all.c b/kvm-all.c index 3174f42..2cc4562 100644 --- a/kvm-all.c +++ b/kvm-all.c @@ -566,6 +566,10 @@ static void kvm_set_phys_mem(MemoryRegionSection *section, bool add) old = *mem; + if (mem->flags & KVM_MEM_LOG_DIRTY_PAGES) { + kvm_physical_sync_dirty_bitmap(section); + } + /* unregister the overlapping slot */ mem->memory_size = 0; err = kvm_set_user_memory_region(s, mem); -- 1.7.7.1