From: Luca Boccassi <lboccass@Brocade.com>
To: "dev@dpdk.org" <dev@dpdk.org>
Cc: "christian.ehrhardt@canonical.com"
<christian.ehrhardt@canonical.com>,
"cjcollier@linuxfoundation.org" <cjcollier@linuxfoundation.org>,
"ricardo.salveti@linaro.org" <ricardo.salveti@linaro.org>
Subject: [dpdk-dev] Compiler hardening flags for libraries and performance implications
Date: Tue, 26 Jul 2016 14:53:13 +0000 [thread overview]
Message-ID: <1469544793.4240.24.camel@brocade.com> (raw)
Hello,
While working on uploading DPDK to Ubuntu and Debian, we were wondering
if anyone had any thoughts/opinions on enabling compiler hardening flags
for the DPDK libraries and the possible performance implications.
Especially 2 of the hardening options provided on Debian/Ubuntu [1]
explicitly cite performance implications:
- "bind now" (ld -z now), which forces to resolve all dynamic symbols
immediately at load
- "stack protector" (-fstack-protector-strong), which adds safety checks
against stack overwrites
Any opinions? Would anyone have reservations if we enabled all of these
in the packages that will be distributed in Ubuntu and Debian?
Thanks!
--
Kind regards,
Luca Boccassi
[1] https://wiki.debian.org/Hardening#Environment_variables
next reply other threads:[~2016-07-26 14:53 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-26 14:53 Luca Boccassi [this message]
2016-07-26 16:44 ` Matthew Hall
2016-07-27 12:58 ` Mcnamara, John
2016-07-27 15:46 ` Matthew Hall
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