On Wed, 15 Oct 2014 12:45:48 -0700 Joe Perches <[email protected]> wrote:
> On Wed, 2014-10-15 at 12:42 -0700, Andrew Morton wrote: > > On Wed, 15 Oct 2014 12:32:08 -0700 Joe Perches <[email protected]> wrote: > > > > > Using weak can have unintended link defects. > > > Emit an error on its use. > > > > Well, we don't want a warning about use of __weak in function > > definitions. Only in declarations. > > Why is that? Because the problem we're trying to detect is when __weak is used on a declaration. This is OK: foo.h: extern int foo(void); foo.c: int __weak foo(void) { ... } But this is not OK: foo.h: extern __weak int foo(void); foo.c: int __weak foo(void) { ... } -- 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/
