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| author | Heiko Carstens <hca@linux.ibm.com> | 2026-10-09 15:50:24 +0200 |
|---|---|---|
| committer | Heiko Carstens <hca@linux.ibm.com> | 2026-10-09 15:50:24 +0200 |
| commit | f28aeaecc28dec067fbe24abdbd48f4c584a517f (patch) | |
| tree | b64ce23000c616e0be85165096a4a1930a83a3d4 /tools/lib/python | |
| parent | 833ee20e712bd0c71435feddaa7b578799fe50c6 (diff) | |
| parent | c8b2bb9385d08fbb734146b7902838ca79097127 (diff) | |
| download | linux-next-f28aeaecc28dec067fbe24abdbd48f4c584a517f.tar.gz linux-next-f28aeaecc28dec067fbe24abdbd48f4c584a517f.zip | |
Merge branch 'cpum_cf'
Sumanth Korikkar says:
====================
The cpu hotplug callbacks start and stop counter sets for every active
hwctr session without checking the session cpu mask. This causes a
reference count underflow when an unrelated cpu goes offline, and
silently adds cpus to a session when they come online.
Patch 1 fixes the reference count underflow in cfset_offline_cpu() and
is suitable for stable kernels. It does not change the online behavior,
so no matching lshwc change is required.
Patch 2 extends the mask check to cfset_online_cpu() and keeps the
userspace provided cpu mask unchanged across hotplug events. It requires
a matching lshwc change and is therefore kept separate from patch 1.
====================
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Diffstat (limited to 'tools/lib/python')
0 files changed, 0 insertions, 0 deletions