!1826 x86/speculation: Add Gather Data Sampling mitigation

Merge Pull Request from: @ci-robot 
 
PR sync from: Zeng Heng <zengheng4@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/OXGET7FUB46TNFFRLN44FBJQUJL7U4DY/ 
Arnd Bergmann (1):
  [Backport] x86/speculation: Add cpu_show_gds() prototype

Daniel Sneddon (1):
  [Backport] x86/speculation: Add Gather Data Sampling mitigation


--
2.25.1
 
https://gitee.com/openeuler/kernel/issues/I7U9J3 
 
Link:https://gitee.com/openeuler/kernel/pulls/1826

 

Reviewed-by: Wei Li <liwei391@huawei.com>
Signed-off-by: Jialin Zhang <zhangjialin11@huawei.com>