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    SubjectRe: Restartable Sequences system call merged into Linux
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    On 06/14/2018 02:27 PM, Pavel Machek wrote:

    >>> Should we treat it the same way? Always allocate it for each new thread
    >>> and register it with the kernel?
    >>
    >> That would be an efficient way to do it, indeed. There is very little
    >> performance overhead to have rseq registered for all threads, whether or
    >> not they intend to run rseq critical sections.
    >
    > People with slow / low memory machines would prefer not to see
    > overhead they don't need...

    I can try to get rid of the >500 byte per-thread area for the stub
    resolver. That should compensate for the overhead introduced.

    Thanks,
    Florian

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