Messages in this thread | | | Date | Mon, 6 Oct 2014 15:27:56 -0700 | From | josh@joshtrip ... | Subject | Re: [PATCH net-next] net: core: Quiet W=1 warnings for unused vars and static functions |
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On Mon, Oct 06, 2014 at 03:04:24PM -0700, Joe Perches wrote: > On Mon, 2014-10-06 at 17:56 -0400, David Miller wrote: > > From: Joe Perches <joe@perches.com> > > Date: Mon, 06 Oct 2014 14:51:38 -0700 > > > > > Reduce noise when compiling W=1. > [] > > BTW, this patch reminds me that if people think there are > > subdirectories where we can turn on things like -Werror in the > > networking I would be very happy to apply such patches. > [] > > Things like net/core/ for example should be doable for sure. > > I don't have any significant opposition to -Werror, but > I think there are real arguments _against_ using -Werror. > > I think the primary one is new compiler versions have a > tendency to add new warnings for various things that can > unnecessarily and unpredictably break the build.
-Werror is a bad idea, even on a per-directory basis. However, -Werror=specific-warning is a great idea. We should add that for high-value warnings that have been entirely eliminated in a directory.
- Josh Triplett
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