Messages in this thread | | | From | Mathieu Poirier <> | Date | Thu, 6 Jun 2019 11:46:21 -0600 | Subject | Re: [PATCH v4 0/4] coresight: Do not call smp_processor_id from pre-emptible contexts |
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On Thu, 6 Jun 2019 at 10:17, Suzuki K Poulose <suzuki.poulose@arm.com> wrote: > > We have a few places where we call smp_processor_id() from preemptible > contexts during the perf buffer handling. We do this to figure out the > numa node for the allocation in case the event is not CPU bound. Instead > use NUMA_NO_NODE to avoid a splat. > > > Changes since v3: > - No function changes. Fix the commit description > Changes since V2: > - Use NUMA_NO_NODE instead of numa_node_id() for event->cpu == -1. (Robin Murphy) > > > Suzuki K Poulose (4): > coresight: tmc-etr: Do not call smp_processor_id() from preemptible > coresight: tmc-etr: alloc_perf_buf: Do not call smp_processor_id from > preemptible > coresight: tmc-etf: Do not call smp_processor_id from preemptible > coresight: etb10: Do not call smp_processor_id from preemptible > > drivers/hwtracing/coresight/coresight-etb10.c | 6 ++---- > drivers/hwtracing/coresight/coresight-tmc-etf.c | 6 ++---- > drivers/hwtracing/coresight/coresight-tmc-etr.c | 13 ++++--------- > 3 files changed, 8 insertions(+), 17 deletions(-)
And this set.
Thanks, Mathieu
> > -- > 2.7.4 >
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