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| author | Alex Belits <[email protected]> | 2020-06-25 18:34:42 -0400 |
|---|---|---|
| committer | Peter Zijlstra <[email protected]> | 2020-07-08 11:39:01 +0200 |
| commit | 69a18b18699b59654333651d95f8ca09d01048f8 (patch) | |
| tree | 931bd9044eb706a10d06498a878ff10be4ef7f26 /tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/Util.py | |
| parent | 1abdfe706a579a702799fce465bceb9fb01d407c (diff) | |
PCI: Restrict probe functions to housekeeping CPUs
pci_call_probe() prevents the nesting of work_on_cpu() for a scenario
where a VF device is probed from work_on_cpu() of the PF.
Replace the cpumask used in pci_call_probe() from all online CPUs to only
housekeeping CPUs. This is to ensure that there are no additional latency
overheads caused due to the pinning of jobs on isolated CPUs.
Signed-off-by: Alex Belits <[email protected]>
Signed-off-by: Nitesh Narayan Lal <[email protected]>
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Reviewed-by: Frederic Weisbecker <[email protected]>
Acked-by: Bjorn Helgaas <[email protected]>
Link: https://lkml.kernel.org/r/[email protected]
Diffstat (limited to 'tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/Util.py')
0 files changed, 0 insertions, 0 deletions