Re: 2.6.18-rt1

Ingo Molnar
2006-09-29T12:49:07Z

* john stultz <johnstul@us.ibm.com> wrote:

> [snip]
> > c03879e8 r __ksymtab_find_next_bit
> > c03879f0 r __ksymtab_find_next_zero_bit
> > c03879f8 R __write_lock_failed
> > c0387a18 R __read_lock_failed
> > c0387a2c r __ksymtab___delay
> > c0387a34 r __ksymtab___const_udelay
> > c0387a3c r __ksymtab___udelay
> > c0387a44 r __ksymtab___ndelay
> >
> > That __read/__write_lock_failed bit looks wrong.
>
>
> So it seems gcc 3.4.4 misplaces the __write_lock_failed function into
> the ksymtab. It doesn't happen w/ 4.0.3.

i think it's an ld bug, and it's related to the nested
.section/.previous use in the LOCK_PREFIX macro in
include/asm-i386/alternatives.h.

this is the second time i have seen smp-alternatives related linker
breakage.

Ingo