Messages in this thread | | | Date | Tue, 25 Aug 2009 20:19:07 +0200 | From | Ingo Molnar <> | Subject | Re: [PATCH -tip 0/2] Temporary RCU fixes for notrace and hotplug CPU |
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* Paul E. McKenney <paulmck@linux.vnet.ibm.com> wrote:
> On Tue, Aug 25, 2009 at 08:55:01AM +0200, Ingo Molnar wrote: > > > > FYI, -tip testing found a new build warning on SH caused by the RCU > > tree (i suspect this warning triggers on other architectures as > > well): > > > > /home/mingo/tip/kernel/rcutree.c:88: warning: '__rcu_offline_cpu' > > declared 'static' but never defined > > <red face> > > > it's harmless, but since we are generally trying to fix all warnings > > and gravitate towards more and more -Werror subsystems, it would be > > nice to fix this. > > Indeed, and I have updated my build-output-check script to alert > me to warning messages from my multiple-configuration test runs. > Please see below for patch.
btw., you can unset CONFIG_ALLOW_WARNINGS in -tip kernels to turn build warnings into build failures - and those are harder to miss.
Ingo
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