回合上游补丁，数量：4个 · Pull Request !76 · src-openEuler/lxcfs

1.proc_loadavg: fix ABBA deadlock between read/refresh
  Idea of this fix is to always take nested locks in the same order.
  At the same time, we adding an extra check to insert_node() that prevents adding a new load_node with the same cgroup (->cg field) value. This is theoretically possible because we don't hold .rilock/.lock when we call insert_node().
  It looks like we have this issue from the initial implementation of loadavg virtualization and it's hardly reproducible that's why we weren't able to notice it.    
    Fixes: #605 
https://github.com/lxc/lxcfs/commit/362a5d52bf67ff58e07f970abd0e642b3bf8279b

2.proc_loadavg.c: Fix incompatible integer to pointer conversion
  Newer compiler like Clang 16 and GCC 14 have certain error enabled bydefault, namely -Werror=incompatible-function-pointer-types. Which resutls in build error such as:
  proc_loadavg.c:606:10: error: incompatible integer to pointer conversion returning int from a function with result type pthread_t My patch supresses the error for now, but a proper fix would be better. Fist discovered on Gentoo linux (bug #894348).
Bug: https://bugs.gentoo.org/894348  Closes: #561
https://github.com/lxc/lxcfs/commit/1ce7d26de2f97acf4b979d7993d83ddfe53cc8ee

3.loadavg: make cleanup of start_loadavg
  Cleanup start_loadavg code:
    - add a new external symbol load_daemon_v2 with the pthread_create-like signature
    - make hacky casts of pthread_t to int (and reverse) unnecessary for new API users
    Related to: #610
https://github.com/lxc/lxcfs/commit/e0533550b2c26c6d3dc86394f4eac99082587c9c

4.cpuview: pass a correct argument to lxcfs_debug
    struct cg_proc_stat *cur;
    ...
    lxcfs_debug("Removing stat node for %s\n", cur);
    should be:
    lxcfs_debug("Removing stat node for %s\n", cur->cg);
    Only reproducible when DEBUG macro is defined.
    
https://github.com/lxc/lxcfs/commit/a019277c7f325dd20678d23b8210156ef4bd2318

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