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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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