Ashutosh Naik wrote: > This patch fixes a warning in the function flow_cache_flush(), where > the the function smp_call_function is entered even when CONFIG_SMP is > not defined > > --- /usr/src/linux-2.6.16-rc1/net/core/flow.c.orig 2006-01-28 18:00:48.000000000 +0530 > +++ /usr/src/linux-2.6.16-rc1/net/core/flow.c 2006-01-28 18:02:16.000000000 +0530 > @@ -296,7 +296,9 @@ void flow_cache_flush(void) > init_completion(&info.completion); > > local_bh_disable(); > +#ifdef CONFIG_SMP > smp_call_function(flow_cache_flush_per_cpu, &info, 1, 0); > +#endif /* CONFIG_SMP */ A better fix is to change smp_call_function, so you don't have to add ifdefs to all users. Signed-off-by: Patrick McHardy <kaber@xxxxxxxxx>
diff --git a/include/linux/smp.h b/include/linux/smp.h index 9dfa3ee..86b5065 100644 --- a/include/linux/smp.h +++ b/include/linux/smp.h @@ -94,7 +94,7 @@ void smp_prepare_boot_cpu(void); */ #define raw_smp_processor_id() 0 #define hard_smp_processor_id() 0 -#define smp_call_function(func,info,retry,wait) ({ 0; }) +#define smp_call_function(func,info,retry,wait) ({ int x = 0; x; }) #define on_each_cpu(func,info,retry,wait) ({ func(info); 0; }) static inline void smp_send_reschedule(int cpu) { } #define num_booting_cpus() 1