From patchwork Sun Jan 15 14:17:31 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: kvm: flush the dirty log when unregistering a slot Date: Sun, 15 Jan 2012 04:17:31 -0000 From: Avi Kivity X-Patchwork-Id: 136185 Message-Id: <1326637051-23920-1-git-send-email-avi@redhat.com> To: Jan Kiszka Cc: Marcelo Tosatti , qemu-devel@nongnu.org, 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);