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SubjectRe: [PATCH 1/2] Add thread_info_cache_init() to all archs
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> > > otoh, if only one .c file will ever call this function then I think that
> > > all problems are solved by
> > >
> > > a) moving the above ifdeffery into the .c file
> > > b) adding a comment explaining which arch file must provide the override
> > > c) directly including that file from within the .c file.
> >
> > I can definitely do that. I have no problem either way. I can add to all
> > archs too, it's just that whatever way I choose, some people won't be
> > happy with it :-)
> >
> > Anyway, I'll move the ifdeferry to init/main.c then.
>
> Thanks ;)
>
> I'm still wounded by my recent encounter with set_softirq_pending()
> and or_softirq_pending().

Well, looking there, I saw we already used weak symbols for that so what
about the patch below ? If you're ok, I'll re-send with appropriate sob
& adapted powerpc part.

Cheers,
Ben.

Index: linux-work/init/main.c
===================================================================
--- linux-work.orig/init/main.c 2008-03-26 10:39:25.000000000 +1100
+++ linux-work/init/main.c 2008-04-18 13:10:35.000000000 +1000
@@ -504,6 +504,10 @@ void __init __attribute__((weak)) smp_se
{
}

+void __init __attribute__((weak) thread_info_cache_init(void)
+{
+}
+
asmlinkage void __init start_kernel(void)
{
char * command_line;
@@ -623,6 +627,7 @@ asmlinkage void __init start_kernel(void
if (efi_enabled)
efi_enter_virtual_mode();
#endif
+ thread_info_cache_init();
fork_init(num_physpages);
proc_caches_init();
buffer_init();
Index: linux-work/include/linux/sched.h
===================================================================
--- linux-work.orig/include/linux/sched.h 2008-04-02 09:47:56.000000000 +1100
+++ linux-work/include/linux/sched.h 2008-04-18 13:11:10.000000000 +1000
@@ -1893,6 +1893,8 @@ static inline unsigned long *end_of_stac

#endif

+extern void thread_info_cache_init(void);
+
/* set thread flags in other task's structures
* - see asm/thread_info.h for TIF_xxxx flags available
*/



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