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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2023-06-26 15:29:21 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2023-06-26 15:29:21 -0700 |
| commit | 3e5822e0f99e429fa8b03c956dad890179b5b3b1 (patch) | |
| tree | 2cfe51abf38e9efe813f20d4c87d41cdfab6de68 /Documentation | |
| parent | 59035135b32280fd394ba5765c6f4de24f48353e (diff) | |
| parent | e0a6ede2dd884adb73a7dde80444185b655f7c79 (diff) | |
Merge tag 'x86_cache_for_v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 resource control updates from Borislav Petkov:
- Implement a rename operation in resctrlfs to facilitate handling of
application containers with dynamically changing task lists
- When reading the tasks file, show the tasks' pid which are only in
the current namespace as opposed to showing the pids from the init
namespace too
- Other fixes and improvements
* tag 'x86_cache_for_v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
Documentation/x86: Documentation for MON group move feature
x86/resctrl: Implement rename op for mon groups
x86/resctrl: Factor rdtgroup lock for multi-file ops
x86/resctrl: Only show tasks' pid in current pid namespace
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/arch/x86/resctrl.rst | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/arch/x86/resctrl.rst b/Documentation/arch/x86/resctrl.rst index 387ccbcb558f..cb05d90111b4 100644 --- a/Documentation/arch/x86/resctrl.rst +++ b/Documentation/arch/x86/resctrl.rst @@ -287,6 +287,13 @@ Removing a directory will move all tasks and cpus owned by the group it represents to the parent. Removing one of the created CTRL_MON groups will automatically remove all MON groups below it. +Moving MON group directories to a new parent CTRL_MON group is supported +for the purpose of changing the resource allocations of a MON group +without impacting its monitoring data or assigned tasks. This operation +is not allowed for MON groups which monitor CPUs. No other move +operation is currently allowed other than simply renaming a CTRL_MON or +MON group. + All groups contain the following files: "tasks": |