!2652 [sync] PR-2377: tracing: Backport bugfixes

Merge Pull Request from: @openeuler-sync-bot 
 

Origin pull request: 
https://gitee.com/openeuler/kernel/pulls/2377 
 
PR sync from: Zheng Yejian <zhengyejian1@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/UMN7NGAYHWGX24DTB4MLALCKEPKYXWNK/ 
Chen Lin (1):
  ring-buffer: Do not swap cpu_buffer during resize process

Steven Rostedt (Google) (1):
  ring-buffer: Do not attempt to read past "commit"


-- 
2.25.1
 
https://gitee.com/openeuler/kernel/issues/I86Q1D 
 
Link:https://gitee.com/openeuler/kernel/pulls/2652

 

Reviewed-by: Xu Kuohai <xukuohai@huawei.com>
Signed-off-by: Jialin Zhang <zhangjialin11@huawei.com>