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From Benjamin Bannier <benjamin.bann...@mesosphere.io>
Subject Re: Review Request 52695: Harden libprocess
Date Wed, 09 Nov 2016 20:16:20 GMT

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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/52695/#review155491
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Ship it!




Lots great, thanks a lot.

- Benjamin Bannier


On Nov. 9, 2016, 8:07 p.m., Aaron Wood wrote:
> 
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> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/52695/
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> 
> (Updated Nov. 9, 2016, 8:07 p.m.)
> 
> 
> Review request for mesos, James Peach, Michael Park, and Neil Conway.
> 
> 
> Bugs: MESOS-6229
>     https://issues.apache.org/jira/browse/MESOS-6229
> 
> 
> Repository: mesos
> 
> 
> Description
> -------
> 
> Add hardened flags for libprocess.
> Take compile flag macro at 1a869696e4129279f7b99c3f9052717354b79a86.
> 
> 
> Diffs
> -----
> 
>   3rdparty/libprocess/Makefile.am 7131989 
>   3rdparty/libprocess/configure.ac e65e5ca 
>   3rdparty/libprocess/m4/ax_check_compile_flag.m4 PRE-CREATION 
> 
> Diff: https://reviews.apache.org/r/52695/diff/
> 
> 
> Testing
> -------
> 
> Compared the benchmarks with and without the flags being used. Also did a comparsion
with the flags being used with and without optimizations and without the flags being used
with and without optimizations. Overall the performance hit was very small with a 3-8% overhead
(optimizations brings this down slightly). Most benchmarks were about 5% (or less) slower.
> 
> 
> File Attachments
> ----------------
> 
> --enable-optimized with hardening applied
>   https://reviews.apache.org/media/uploaded/files/2016/11/02/875c9e6e-c73b-4e3c-8265-0f7c6dc00351__hardened-optimized.txt
> Hardening applied but no --enable-optimized
>   https://reviews.apache.org/media/uploaded/files/2016/11/02/932d28a7-2d31-471a-b438-647841a6853c__hardened-unoptimized.txt
> --enable-optimized with no hardening applied
>   https://reviews.apache.org/media/uploaded/files/2016/11/02/896944ea-9b31-4d62-b1b9-97fb4700a882__optimized.txt
> No hardening applied and no --enable-optimized
>   https://reviews.apache.org/media/uploaded/files/2016/11/02/b32667ce-3e3b-4d2b-b4f8-4c2404a0fc1c__unoptimized.txt
> 
> 
> Thanks,
> 
> Aaron Wood
> 
>


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