RFR: Concurrent code cache evac should not update ptrs outside of safepoint

[Andrew Haley]

On 01/07/17 09:47, Roman Kennke wrote:

> Only evacuating concurrently, without patching, seems a reasonable
> compromise for now. Aleksey suggested to record all code cache pop
> locations, this way we could very quickly scan+update oops during
> stw, without having to parse the code cache.

OK, I can see how that makes sense.  It's certainly attractive not to
have to do arch-dependent tweaks: Shenandoah already has quite enough
of those.

-- 
Andrew Haley
Java Platform Lead Engineer
Red Hat UK Ltd. <https://www.redhat.com>
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