On Thu, Jun 22, 2017 at 12:15:50AM +0200, Arnd Bergmann wrote:
> On Thu, Jun 22, 2017 at 12:10 AM, Paul E. McKenney
> <paul...@linux.vnet.ibm.com> wrote:
> > On Wed, Jun 21, 2017 at 11:57:28PM +0200, Arnd Bergmann wrote:
> >> Without CONFIG_SMP, we get a harmless warning about
> >> an unused variable:
> >>
> >> kernel/cpu.c: In function 'boot_cpu_state_init':
> >> kernel/cpu.c:1778:6: error: unused variable 'cpu' [-Werror=unused-variable]
> >>
> >> This reworks the function to have the declaration inside
> >> of the #ifdef.
> >>
> >> Fixes: faeb334286b7 ("rcu: Migrate callbacks earlier in the CPU-offline
> >> timeline")
> >> Signed-off-by: Arnd Bergmann <a...@arndb.de>
> >
> > I simply added a __maybe_unused in 6441c656acde ("rcu: Migrate callbacks
> > earlier in the CPU-offline timeline") in my -rcu tree. However, your
> > approach does have the advantage of complaining if the code using that
> > variable is removed.
> >
> > So, would you be OK with my folding your approach into my commit with
> > attribution?
>
> Sure, that's always best.
Done, thank you!
Thanx, Paul
