Messages in this thread | | | Date | Sun, 1 Oct 2006 10:07:47 -0700 | From | Randy Dunlap <> | Subject | Re: Announce: gcc bogus warning repository |
| |
On Sun, 01 Oct 2006 09:44:55 -0400 Jeff Garzik wrote:
> > The level of warnings in a kernel build has lately increased to the > point where it is hiding bugs and otherwise making life difficult. > > In particular, recent gcc versions throw warnings when it thinks a > variable "MAY be used uninitialized", which is not terribly helpful due > to the fact that most of these warnings are bogus. > > For those that may find this valuable, I have started a git repo that > silences these bogus warnings, after careful auditing of code paths to > ensure that the warning truly is bogus. > > The results may be found in the "gccbug" branch of > git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/misc-2.6.git > > This repository will NEVER EVER be pushed upstream. It exists solely > for those who want to decrease their build noise, thereby exposing true > bugs. > > The audit has already uncovered several minor bugs, lending credence to > my theory that too many warnings hides bugs.
I usually build with must_check etc. enabled then grep them away if I want to look for other messages. I think that the situation is not so disastrous.
--- ~Randy - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |