On Mon, 12 Feb 2018 15:25:51 -0800
Guenter Roeck <li...@roeck-us.net> wrote:
> On Tue, Feb 13, 2018 at 10:01:57AM +1100, Balbir Singh wrote:
> > On Tue, Feb 13, 2018 at 9:34 AM, Guenter Roeck <li...@roeck-us.net> wrote:
> > > If KEXEC_CORE is not enabled, PowerNV builds fail as follows.
> > >
> > > arch/powerpc/platforms/powernv/smp.c: In function 'pnv_smp_cpu_kill_self':
> > > arch/powerpc/platforms/powernv/smp.c:236:4: error:
> > > implicit declaration of function 'crash_ipi_callback'
> > >
> > > Add dummy function calls, similar to kdump_in_progress(), to solve the
> > > problem.
> > >
> > > Fixes: 4145f358644b ("powernv/kdump: Fix cases where the kdump kernel
> > > ...")
> > > Cc: Balbir Singh <bsinghar...@gmail.com>
> > > Cc: Michael Ellerman <m...@ellerman.id.au>
> > > Cc: Nicholas Piggin <npig...@gmail.com>
> > > Signed-off-by: Guenter Roeck <li...@roeck-us.net>
> > > ---
> >
> > Thanks for working on this.
> >
> > You've added two functions, I understand the crash_send_ipi() bits
> > that I broke. Looks like crash_ipi_callback broken without KEXEC_CORE?
> >
>
> If I recall correctly, 4145f358644b introduced the call to
> crash_ipi_callback().
> After I declared the dummy function for that, I got an error about the missing
> crash_send_ipi(). I didn't spend more time on it but just added another dummy
> function. It may well be that another problem was introduced in the same time
> frame. On the other side, maybe I got it all wrong, and my patch is not worth
> the computer it was written on.
>
The patches worked for me with CONFIG_KEXEC=n and CONFIG_KEXEC_CORE=n
Tested-by: Balbir Singh <bsinghar...@gmail.com>
Balbir Singh
