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tracing: Avoid isolated CPUs when queueing fsnotify irqwork
Ftrace's fsnotify irq_work doesn't need to be run locally, so avoid doing so when the CPU is isolated. Note that this is especially bad when tracing an isolated CPU, as the noise from running the irq_work might be bigger than what was actually meant to be traced. Signed-off-by: Nicolas Saenz Julienne <nsaenzju@redhat.com>
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