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    SubjectRe: [PATCH 02/27] perf tools: Fix jump label always changing during tracing
    On Fri, Jul 25, 2014 at 12:36:44PM -0300, Arnaldo Carvalho de Melo wrote:
    > From: Adrian Hunter <adrian.hunter@intel.com>
    >
    > Intel PT decoding walks the object code to reconstruct the trace. A
    > jump label change during tracing causes decoding errors.
    >
    > The "Enable close-on-exec flag on perf file descriptor" patch caused
    > there to be always a jump label change.
    >
    > It was found that using a per-cpu context instead of a per-thread
    > context for the probe of the close-on-exec feature, made the problem go
    > away.

    per-cpu events are privileged, wouldn't this change make CLOEXEC always
    undetected for normal users?

    Also, the $subject doesn't related to CLOEXEC at all.
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