> > Introduce a macro for suppressing gcc from generating a warning about a > probable uninitialized state of a variable. > > Example: > > - spinlock_t *ptl; > + spinlock_t *uninitialized_var(ptl); > > Not a happy solution, but those warnings are obnoxious. > > - Using the usual pointlessly-set-it-to-zero approach wastes several > bytes of text. > > - Using a macro means we can (hopefully) do something else if gcc changes > cause the `x = x' hack to stop working > > - Using a macro means that people who are worried about hiding true bugs > can easily turn it off. > > Signed-off-by: Borislav Petkov <[EMAIL PROTECTED]> > Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
I just stumbled across this being in the kernel. Well, I'm finally glad it made it in, even though it was suggested one year earlier ;-) http://lkml.org/lkml/2006/5/11/50 -- Steve - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/