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authorJason J. Herne <jjherne@us.ibm.com>2012-08-02 10:10:17 -0400
committerChristian Borntraeger <borntraeger@de.ibm.com>2014-04-22 09:36:28 +0200
commit15f36ebd34b5b296c274ef67024f14c2d394a507 (patch)
tree62736639cca862b5a9c99ca07893be6374c2f76d /virt
parenta0bf4f149bbfa2e31b5f4172c817afdb7b986733 (diff)
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KVM: s390: Add proper dirty bitmap support to S390 kvm.
Replace the kvm_s390_sync_dirty_log() stub with code to construct the KVM dirty_bitmap from S390 memory change bits. Also add code to properly clear the dirty_bitmap size when clearing the bitmap. Signed-off-by: Jason J. Herne <jjherne@us.ibm.com> CC: Dominik Dingel <dingel@linux.vnet.ibm.com> [Dominik Dingel: use gmap_test_and_clear_dirty, locking fixes] Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Diffstat (limited to 'virt')
-rw-r--r--virt/kvm/kvm_main.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 56baae8c2f56..7facdb1f1374 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -637,14 +637,12 @@ static int kvm_vm_release(struct inode *inode, struct file *filp)
*/
static int kvm_create_dirty_bitmap(struct kvm_memory_slot *memslot)
{
-#ifndef CONFIG_S390
unsigned long dirty_bytes = 2 * kvm_dirty_bitmap_bytes(memslot);
memslot->dirty_bitmap = kvm_kvzalloc(dirty_bytes);
if (!memslot->dirty_bitmap)
return -ENOMEM;
-#endif /* !CONFIG_S390 */
return 0;
}