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From Aaron Wood <aaron.w...@verizon.com>
Subject Re: Review Request 52645: Harden Mesos
Date Wed, 30 Nov 2016 20:51:29 GMT

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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/52645/
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(Updated Nov. 30, 2016, 8:51 p.m.)


Review request for mesos, James Peach, Michael Park, and Neil Conway.


Changes
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Don't warn when stack protection isn't used.


Bugs: MESOS-6229
    https://issues.apache.org/jira/browse/MESOS-6229


Repository: mesos


Description
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Add hardened flags for Mesos.
Take compile flag macro at 391cb680171d3889965b1ead43d3a326c913bc25.
The macro at 1a869696e4129279f7b99c3f9052717354b79a86 requires autoconf 2.64 which breaks
on CentOS 6.


Diffs (updated)
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  configure.ac 5380cbc 
  m4/ax_check_compile_flag.m4 PRE-CREATION 
  src/Makefile.am 7750ed7 

Diff: https://reviews.apache.org/r/52645/diff/


Testing
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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.


Thanks,

Aaron Wood


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