Messages in this thread | | | Date | Mon, 25 Jul 2011 16:28:33 -0400 | Subject | Re: [PATCH] TRACING: Fix a copmile warning | From | Arnaud Lacombe <> |
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Hi,
On Mon, Jul 25, 2011 at 4:19 PM, Steven Rostedt <rostedt@goodmis.org> wrote: > On Mon, 2011-07-25 at 15:43 -0400, Arnaud Lacombe wrote: > >> Actually, we have a special uninitialized_var(x) macro to handle such >> false positive. From include/linux/compiler-gcc.h: >> >> /* >> * A trick to suppress uninitialized variable warning without generating any >> * code >> */ >> #define uninitialized_var(x) x = x > > I'm aware of that too, but I think that is inappropriate as well. As I > said, some versions of gcc report it, others don't. Seems that gcc 4.6.0 > says this is an error where 4.5.1 does not (I just tried both). Looks to > me like a regression in gcc. Why not fix it there? > It should, but gcc 4.6.x has already been shipped out there, so we will have to live with that for a while. Marking this as a false positive now will avoid having multiple submission for this in the future.
- Arnaud
> -- Steve > > > -- 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/
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