From 03133347b4452ef9b1f1456b92f5fafa467c0655 Mon Sep 17 00:00:00 2001 From: Claudio Imbrenda Date: Mon, 30 Apr 2018 18:33:24 +0200 Subject: KVM: s390: a utility function for migration Introduce a utility function that will be used later on for storage attributes migration, and use it in kvm_main.c to replace existing code that does the same thing. Signed-off-by: Claudio Imbrenda Message-Id: <1525106005-13931-2-git-send-email-imbrenda@linux.vnet.ibm.com> Signed-off-by: Christian Borntraeger --- include/linux/kvm_host.h | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'include/linux/kvm_host.h') diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index 4ee7bc548a83..5f138b40e433 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -309,6 +309,13 @@ static inline unsigned long kvm_dirty_bitmap_bytes(struct kvm_memory_slot *memsl return ALIGN(memslot->npages, BITS_PER_LONG) / 8; } +static inline unsigned long *kvm_second_dirty_bitmap(struct kvm_memory_slot *memslot) +{ + unsigned long len = kvm_dirty_bitmap_bytes(memslot); + + return memslot->dirty_bitmap + len / sizeof(*memslot->dirty_bitmap); +} + struct kvm_s390_adapter_int { u64 ind_addr; u64 summary_addr; -- cgit v1.2.3