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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2022-12-12 15:48:36 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2022-12-12 15:48:36 -0800 |
| commit | a312a8cc3c7fe96f5e54e69c676f5bd12995f44e (patch) | |
| tree | 29e44c7ab6c59dd841bc217be0796b4cf26a7f30 /lib | |
| parent | bf57ae2165bad1cb273095a5c09708ab503cd874 (diff) | |
| parent | 674b745e22b3caae48ad20422795eefd3f832a7b (diff) | |
| download | lwn-a312a8cc3c7fe96f5e54e69c676f5bd12995f44e.tar.gz lwn-a312a8cc3c7fe96f5e54e69c676f5bd12995f44e.zip | |
Merge tag 'cgroup-for-6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
Pull cgroup updates from Tejun Heo:
"Nothing too interesting:
- Add CONFIG_DEBUG_GROUP_REF which makes cgroup refcnt operations
kprobable
- A couple cpuset optimizations
- Other misc changes including doc and test updates"
* tag 'cgroup-for-6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
cgroup: remove rcu_read_lock()/rcu_read_unlock() in critical section of spin_lock_irq()
cgroup/cpuset: Improve cpuset_css_alloc() description
kselftest/cgroup: Add cleanup() to test_cpuset_prs.sh
cgroup/cpuset: Optimize cpuset_attach() on v2
cgroup/cpuset: Skip spread flags update on v2
kselftest/cgroup: Fix gathering number of CPUs
cgroup: cgroup refcnt functions should be exported when CONFIG_DEBUG_CGROUP_REF
cgroup: Implement DEBUG_CGROUP_REF
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Kconfig.debug | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 3638b3424be5..13a1046a7d6f 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -1717,6 +1717,16 @@ config LATENCYTOP Enable this option if you want to use the LatencyTOP tool to find out which userspace is blocking on what kernel operations. +config DEBUG_CGROUP_REF + bool "Disable inlining of cgroup css reference count functions" + depends on DEBUG_KERNEL + depends on CGROUPS + depends on KPROBES + default n + help + Force cgroup css reference count functions to not be inlined so + that they can be kprobed for debugging. + source "kernel/trace/Kconfig" config PROVIDE_OHCI1394_DMA_INIT |