Ugh, I fail at typing, resending for rusty's benefit.
On Tue, Dec 30, 2008 at 01:07:24PM -0500, Kyle McMartin wrote:
> [Adding rusty to CC]
>
> On Mon, Dec 29, 2008 at 09:43:12PM +0100, Helge Deller wrote:
> > +unsigned long module_additional_section_size(struct module *mod,
> > + unsigned int section);
> > +
>
> I think this would be more palatable as
>
> #ifdef HAVE_MODULE_SECTION_STUBS
> unsigned long module_additional_section_size(struct module *mod,
> unsigned int section);
> #else
> static inline unsigned long module_additional_section_size(struct module *mod,
> unsigned int section)
> {
> return 0;
> }
> #endif
>
> and removing the conditional in kernel/module.c, possibly the symbol
> should be "arch_module_a..." just to make it clear to anyone reading.
>
> Anyway, it's up to rusty.
>
> Rusty, we'd like to get this patch in, so I can merge the dependent
> parisc-specific patch.
>
> regards, Kyle
>
> > /* Allocator used for allocating struct module, core sections and init
> > sections. Returns NULL on failure. */
> > void *module_alloc(unsigned long size);
> > diff --git a/init/Kconfig b/init/Kconfig
> > index f763762..5383815 100644
> > --- a/init/Kconfig
> > +++ b/init/Kconfig
> > @@ -908,6 +908,9 @@ config MODULE_SRCVERSION_ALL
> > the version). With this option, such a "srcversion" field
> > will be created for all modules. If unsure, say N.
> >
> > +config HAVE_MODULE_SECTION_STUBS
> > + bool
> > +
> > config KMOD
> > def_bool y
> > help
> > diff --git a/kernel/module.c b/kernel/module.c
> > index 1f4cc00..4b86308 100644
> > --- a/kernel/module.c
> > +++ b/kernel/module.c
> > @@ -1579,10 +1579,15 @@ static int simplify_symbols(Elf_Shdr *sechdrs,
> > }
> >
> > /* Update size with this section: return offset. */
> > -static long get_offset(unsigned int *size, Elf_Shdr *sechdr)
> > +static long get_offset(struct module *mod, unsigned int *size,
> > + Elf_Shdr *sechdr, unsigned int section)
> > {
> > long ret;
> >
> > +#ifdef CONFIG_HAVE_MODULE_SECTION_STUBS
> > + /* allocate some memory for stubs in front of each section */
> > + *size += module_additional_section_size(mod, section);
> > +#endif
> > ret = ALIGN(*size, sechdr->sh_addralign ?: 1);
> > *size = ret + sechdr->sh_size;
> > return ret;
> > @@ -1622,7 +1627,7 @@ static void layout_sections(struct module *mod,
> > || strncmp(secstrings + s->sh_name,
> > ".init", 5) == 0)
> > continue;
> > - s->sh_entsize = get_offset(&mod->core_size, s);
> > + s->sh_entsize = get_offset(mod, &mod->core_size, s, i);
> > DEBUGP("\t%s\n", secstrings + s->sh_name);
> > }
> > if (m == 0)
> > @@ -1640,7 +1645,7 @@ static void layout_sections(struct module *mod,
> > || strncmp(secstrings + s->sh_name,
> > ".init", 5) != 0)
> > continue;
> > - s->sh_entsize = (get_offset(&mod->init_size, s)
> > + s->sh_entsize = (get_offset(mod, &mod->init_size, s, i)
> > | INIT_OFFSET_MASK);
> > DEBUGP("\t%s\n", secstrings + s->sh_name);
> > }
> >
>
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