On Tue, Jan 08, 2013 at 07:42:38PM +0900, Takuya Yoshikawa wrote: > Changelog v1->v2: > The condition in patch 1 was changed like this: > npages && (mem->flags & KVM_MEM_LOG_DIRTY_PAGES) > > This patch set makes kvm_mmu_slot_remove_write_access() rmap based and > adds conditional rescheduling to it. > > The motivation for this change is of course to reduce the mmu_lock hold > time when we start dirty logging for a large memory slot. You may not > see the problem if you just give 8GB or less of the memory to the guest > with THP enabled on the host -- this is for the worst case. > > Takuya Yoshikawa (7): > KVM: Write protect the updated slot only when dirty logging is enabled > KVM: MMU: Remove unused parameter level from __rmap_write_protect() > KVM: MMU: Make kvm_mmu_slot_remove_write_access() rmap based > KVM: Remove unused slot_bitmap from kvm_mmu_page > KVM: Make kvm_mmu_change_mmu_pages() take mmu_lock by itself > KVM: Make kvm_mmu_slot_remove_write_access() take mmu_lock by itself > KVM: MMU: Conditionally reschedule when kvm_mmu_slot_remove_write_access() takes a long time > > Documentation/virtual/kvm/mmu.txt | 7 ---- > arch/x86/include/asm/kvm_host.h | 5 --- > arch/x86/kvm/mmu.c | 56 +++++++++++++++++++----------------- > arch/x86/kvm/x86.c | 12 ++++--- > virt/kvm/kvm_main.c | 1 - > 5 files changed, 37 insertions(+), 44 deletions(-) > > -- > 1.7.5.4 Reviewed-by: Marcelo Tosatti <mtosatti@xxxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
