!1692 Mainline bugfix patches backport 4.19

Merge Pull Request from: @ci-robot 
 
PR sync from: Guo Mengqi <guomengqi3@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/WQIHD5U3K5UMNRJ5BWK5VO3IHFTG7SZP/ 
Huang Shijie (1):
  lib/genalloc.c: change return type to unsigned long for bitmap_set_ll

Suravee Suthikulpanit (2):
  iommu/amd: Use cmpxchg_double() when updating 128-bit IRTE
  iommu/amd: Restore IRTE.RemapEn bit after programming IRTE


-- 
2.17.1
 
https://gitee.com/openeuler/kernel/issues/I7R8MI 
 
Link:https://gitee.com/openeuler/kernel/pulls/1692

 

Reviewed-by: Weilong Chen <chenweilong@huawei.com>
Reviewed-by: Liu YongQiang <liuyongqiang13@huawei.com>
Signed-off-by: Zhang Changzhong <zhangchangzhong@huawei.com>