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Re: semantic error: not accessible at this address
- From: Vincent Bernat <bernat at luffy dot cx>
- To: "Frank Ch. Eigler" <fche at redhat dot com>
- Cc: systemtap at sourceware dot org
- Date: Mon, 30 Sep 2013 10:11:59 +0200
- Subject: Re: semantic error: not accessible at this address
- Authentication-results: sourceware.org; auth=none
- References: <y0mvc1mt0k7 dot fsf at fche dot csb> <8738opg9ym dot fsf at guybrush dot luffy dot cx> <20130927230432 dot GA32221 at redhat dot com> <87wqm1etsz dot fsf at guybrush dot luffy dot cx> <20130927232529 dot GB32221 at redhat dot com> <87pprtesfe dot fsf at guybrush dot luffy dot cx> <20130928000247 dot GC32221 at redhat dot com> <871u49e68v dot fsf at guybrush dot luffy dot cx> <20130928124645 dot GA17249 at redhat dot com> <m3eh88sx7b dot fsf at neo dot luffy dot cx> <20130929141158 dot GB17249 at redhat dot com> <m3fvsmpz6r dot fsf at neo dot luffy dot cx>
â 30 septembre 2013 09:05 CEST, Vincent Bernat <bernat@luffy.cx>Â:
>>> I can also advocate to Debian and Ubuntu to use this CFLAGS for future
>>> kernel releases. Is there any drawback to this flag (I assume not)? Is
>>> it still useful when GCC version is fixed? I mean, can we assume that we
>>> will run in future GCC bugs and that will help to workaround them in the
>>> future?
>>
>> I believe it is purely advantageous and worth advocating elsewhere.
>
> I have asked both Ubuntu and Debian to use this flag:
>
> http://bugs.debian.org/724976
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1233014
Unfortunately, I discovered that this option was added to GCC 4.7 and
hence is not available in GCC 4.6.3.
--
Make it clear before you make it faster.
- The Elements of Programming Style (Kernighan & Plauger)