Huang, Ying wrote:
I think another method is to add a new attribute into GCC to prepend or
append something to section name instead of just to replace it, like the
example as follow:
#define __initdata __attribute__((section_append(".init")))
Same difference, but less flexible.
-hp
On Thu, 2008-02-21 at 10:53 +0100, Ingo Molnar wrote:
> * Huang, Ying <[EMAIL PROTECTED]> wrote:
>
> > > > -int __initdata early_ioremap_debug;
> > > > +int __initbss early_ioremap_debug;
> > >
> > > will we get some sort of build error if we accidentally do:
> > >
> > >int __initbss early_i
Ingo Molnar wrote:
well, that's bad. We'd silently ignore the " = 1" and boot up with that
value at 0, right? At minimum we need some really prominent build-time
_errors_ (i.e. aborted builds) if this ever happens. But ideally,
shouldnt this whole thing be done at link time? Couldnt the linke
On Thu, 2008-02-21 at 10:53 +0100, Ingo Molnar wrote:
> * Huang, Ying <[EMAIL PROTECTED]> wrote:
>
> > > > -int __initdata early_ioremap_debug;
> > > > +int __initbss early_ioremap_debug;
> > >
> > > will we get some sort of build error if we accidentally do:
> > >
> > >int __initbss early_
* Huang, Ying <[EMAIL PROTECTED]> wrote:
> > > -int __initdata early_ioremap_debug;
> > > +int __initbss early_ioremap_debug;
> >
> > will we get some sort of build error if we accidentally do:
> >
> >int __initbss early_ioremap_debug = 1;
> >
> > ?
>
> I tested it just now, and there is
On Thu, 2008-02-21 at 10:05 +0100, Ingo Molnar wrote:
> * Huang, Ying <[EMAIL PROTECTED]> wrote:
>
> > Uninitialized variable in init DATA sections are relocated into init
> > BSS sections to reduce kernel image size. Several KB can be reduced.
>
> > -int __initdata early_ioremap_debug;
> > +int
* Huang, Ying <[EMAIL PROTECTED]> wrote:
> Uninitialized variable in init DATA sections are relocated into init
> BSS sections to reduce kernel image size. Several KB can be reduced.
> -int __initdata early_ioremap_debug;
> +int __initbss early_ioremap_debug;
will we get some sort of build err
Uninitialized variable in init DATA sections are relocated into init
BSS sections to reduce kernel image size. Several KB can be reduced.
Signed-off-by: Huang Ying <[EMAIL PROTECTED]>
---
arch/x86/kernel/acpi/boot.c | 14 +++---
arch/x86/kernel/aperture_64.c |6 +++---
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