lkml.org 
[lkml]   [2005]   [Apr]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH][RFC] disable built-in modules V2
On Thu, 7 Apr 2005, Magnus Damm wrote:

> On Apr 6, 2005 4:28 PM, Malcolm Rowe <malcolm-linux@farside.org.uk> wrote:
> > Magnus Damm writes:
> > > And I guess the idea of replacing the initcall pointer with NULL will
> > > work both with and without function descriptors, right? So we should
> > > be safe on IA64 and PPC64.
> >
> > I think so, though I don't really know a great deal about this area.
> >
> > An IA64 descriptor is of the form { &code, &data_context }, and a function
> > pointer is a pointer to such a descriptor. Presumably, setting a function
> > pointer to NULL will either end up setting the pointer-to-descriptor to NULL
> > or the code pointer to NULL, but either way, I would expect the 'if
> > (!*call)' comparison to work as intended.
> >
> > Best thing would be to get someone on IA64 and/or PPC64 to check this for
> > you.
>
> I agree. Do we have any friendly IA64/PPC64 user out there?

In C code it is consistent across all architectures, you only have to
worry about the descriptors when you do modifications in assembly.

Zwane

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-04-07 09:50    [W:0.056 / U:13.036 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site