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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2021-11-13 09:18:06 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-11-13 09:18:06 -0800 |
| commit | be427a88a3dc2de30688b08d078f4f4c1bb035d6 (patch) | |
| tree | 8c3b1632ec18c5022cde45dc4ed92759779b1e50 /arch/s390/kernel | |
| parent | b89f311d7e25eb246376ac10de46d6ecc6b6ed5c (diff) | |
| parent | a4751f157c194431fae9e9c493f456df8272b871 (diff) | |
| download | linux-be427a88a3dc2de30688b08d078f4f4c1bb035d6.tar.bz2 | |
Merge tag 's390-5.16-2' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull more s390 updates from Vasily Gorbik:
- Add PCI automatic error recovery.
- Fix tape driver timer initialization broken during timers api
cleanup.
- Fix bogus CPU measurement counters values on CPUs offlining.
- Check the validity of subchanel before reading other fields in the
schib in cio code.
* tag 's390-5.16-2' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/cio: check the subchannel validity for dev_busid
s390/cpumf: cpum_cf PMU displays invalid value after hotplug remove
s390/tape: fix timer initialization in tape_std_assign()
s390/pci: implement minimal PCI error recovery
PCI: Export pci_dev_lock()
s390/pci: implement reset_slot for hotplug slot
s390/pci: refresh function handle in iomap
Diffstat (limited to 'arch/s390/kernel')
| -rw-r--r-- | arch/s390/kernel/perf_cpum_cf.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/s390/kernel/perf_cpum_cf.c b/arch/s390/kernel/perf_cpum_cf.c index 6f431fa9e4d7..ee8707abdb6a 100644 --- a/arch/s390/kernel/perf_cpum_cf.c +++ b/arch/s390/kernel/perf_cpum_cf.c @@ -687,8 +687,10 @@ static void cpumf_pmu_stop(struct perf_event *event, int flags) false); if (cfdiag_diffctr(cpuhw, event->hw.config_base)) cfdiag_push_sample(event, cpuhw); - } else + } else if (cpuhw->flags & PMU_F_RESERVED) { + /* Only update when PMU not hotplugged off */ hw_perf_event_update(event); + } hwc->state |= PERF_HES_UPTODATE; } } |