On Tue, Jun 18, 2019 at 2:10 PM William Brown <wbrown@xxxxxxx> wrote:
>
> Memalign is pretty important - the short version is "we can not remove it".
> I didn't say "remove", I said "review".
>
> There are some structures in the code that rely on this for performance to guarantee that they memory is aligned to a page boundary, or cache line boundary. In some cases it's required to allow the atomics to work in nunc-stans (well, lfds, but the value of that today is questionable when the rust version is possibly safer and faster).
> Since you're the expert in this area, maybe you can leave a comment in the issue linked above with the justification for upstream to reconsider?
You mean upstream LSAN/ASAN in this case, yes?
—
Sincerely,
William Brown
Senior Software Engineer, 389 Directory Server
SUSE Labs
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Viktor
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