On Mon, Apr 14, 2014 at 12:19:31PM -0400, Pranith Kumar wrote:
> Hi Paul,
>
> On Mon, Apr 14, 2014 at 12:07 PM, Paul E. McKenney
> <paul...@linux.vnet.ibm.com> wrote:
> > On Sun, Apr 13, 2014 at 05:53:53PM -0400, Pranith Kumar wrote:
> >> remove duplicate definition of extern resched_cpu
> >>
> >> Signed-off-by: Pranith Kumar <bobby.pr...@gmail.com>
> >
> > Hello, Pranith,
> >
> > When I apply this patch I get the following:
> >
> > /home/paulmck/public_git/linux-rcu/kernel/rcu/tree.c: In function
> > ‘rcu_implicit_dynticks_qs’:
> > /home/paulmck/public_git/linux-rcu/kernel/rcu/tree.c:895:3: error: implicit
> > declaration of function ‘resched_cpu’
> > [-Werror=implicit-function-declaration]
> > /home/paulmck/public_git/linux-rcu/kernel/rcu/tree.c: At top level:
> > /home/paulmck/public_git/linux-rcu/kernel/rcu/tree.c:1009:13: warning:
> > conflicting types for ‘resched_cpu’ [enabled by default]
> > /home/paulmck/public_git/linux-rcu/kernel/rcu/tree.c:895:3: note: previous
> > implicit declaration of ‘resched_cpu’ was here
> >
> > This failed in under number of different Kconfig setups, the .config file
> > for one of them is attached.
> >
> > So this declaration really is needed. Just out of curiosity, what led
> > you to believe that it could be removed?
> >
>
> That is strange. The patch removes a duplicate declaration of
> resched_cpu (on lines 768, 954) of the file kernel/rcu/tree.c of the
> latest git.
>
> The patch compiles fine here with the latest tip of the git tree.
>
> CC kernel/rcu/tree.o
>
> Can you please check if your tree.c has two declarations for resched_cpu?
Ah, your patch didn't apply, so I hand-applied it, and removed the first
declaration rather than the second one. Trying it again.
Thanx, Paul
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