On Sun, 29 Apr 2007 08:50:49 +0200 Borislav Petkov <[EMAIL PROTECTED]> wrote:
> > Introduce a macro for suppressing gcc from generating a warning about a > probable > unitialized state of a variable. > > Signed-off-by: Borislav Petkov <[EMAIL PROTECTED]> > > --- > > Index: linux-mm/include/linux/compiler.h > =================================================================== > --- linux-mm.orig/include/linux/compiler.h > +++ linux-mm/include/linux/compiler.h > @@ -109,6 +109,10 @@ extern int do_check_likely(struct likeli > (typeof(ptr)) (__ptr + (off)); }) > #endif > > +#ifndef unitialized_var > +# define unitialized_var(x) x = x > +#endif > + > #endif /* __KERNEL__ */ > > #endif /* __ASSEMBLY__ */ > Index: linux-mm/mm/memory.c > =================================================================== > --- linux-mm.orig/mm/memory.c > +++ linux-mm/mm/memory.c > @@ -1488,7 +1488,7 @@ static int apply_to_pte_range(struct mm_ > pte_t *pte; > int err; > struct page *pmd_page; > - spinlock_t *ptl; > + spinlock_t *unitialized_var(ptl); > > pte = (mm == &init_mm) ? > pte_alloc_kernel(pmd, addr) : Ho hum. I guess I'll slide this over to Linus if there's not too much howling, and unless someone can come up with anything better. I will, however, fix the spelling to "uninitialized" ;) - 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/
