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SubjectRe: alpha: undefined reference to `save_stack_trace'
On Fri, Oct 31, 2008 at 06:24:11PM +0000, Al Viro wrote:
> On Fri, Oct 31, 2008 at 07:57:51PM +0300, Alexey Dobriyan wrote:
> > On alpha-smp-[ny]-debug-y:
> > LD .tmp_vmlinux1
> > kernel/built-in.o: In function `ftrace_trace_stack':
> > (.text+0x706fc): undefined reference to `save_stack_trace'
> >
> >
> > Somehow STACKTRACE is set despite no STACKTRACE_SUPPORT.
>
> select blows, film at 11. TRACING blindly selects STACKTRACE, with a bunch
> of stuff in kernel/tracing/Kconfig doing select of TRACING. Not just an alpha
> problem, BTW.

While we are at it, we have that particular turd on allmodconfigs on (at least)
alpha
blackfin
cris
frv
h8300
ia64
m32r
m68k
m68knommu
mn10300
parisc
sparc (32bit one, that is)
uml/i386
uml/amd64
xtensa

We could slap && HAS_STACKTRACE_SUPPORT on all symbols that end up selecting
TRACING, but that's almost certainly wrong; the thing won't break if we
simply omit stack trace output on configs that do not have them supported.
Why do we have that select STACKTRACE there, anyway?


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