An end to jprobes

"Jprobes" are an ancient kernel mechanism used to trace entry into kernel functions; they were described in this 2005 LWN article. Recently, the kernel community has come to the conclusion that jprobes have few (if any) remaining users, they have long been superseded by the function tracing (ftrace) mechanism, and they are a maintenance burden. As a result, the jprobe API will likely be disabled in a near-future kernel. If anybody out there is still using jprobes, now would be a good time to either move on or make the case for retaining that feature in the kernel.

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