Messages in this thread | | | Subject | Re: [PATCH -tip] x86: cpu/intel_cacheinfo.c fix compilation warnings | From | Jaswinder Singh Rajput <> | Date | Tue, 14 Apr 2009 22:16:21 +0530 |
| |
On Tue, 2009-04-14 at 15:32 +0200, Ingo Molnar wrote: > * Jaswinder Singh Rajput <jaswinder@kernel.org> wrote: > > > fix: > > arch/x86/kernel/cpu/intel_cacheinfo.c: In function ‘show_cache_disable’: > > arch/x86/kernel/cpu/intel_cacheinfo.c:712: warning: unused variable ‘node’ > > arch/x86/kernel/cpu/intel_cacheinfo.c: In function ‘store_cache_disable’: > > arch/x86/kernel/cpu/intel_cacheinfo.c:739: warning: unused variable ‘node’ > > you again 'fixed' a warning. > > this made you fail to analyze and miss the real reason for this for > example: > > > arch/x86/kernel/cpu/intel_cacheinfo.c:739: warning: unused variable ‘node’ > > > - int node = cpu_to_node(cpu); > > the local variable is clearly initialized. > > The problem is not with that variable - the problem is most likely > with the cpu_to_node() macro not creating a reference to the 'cpu' > variable in a compiler-visible way, in the !NUMA case. > > The typical way to solve this is to add a dummy: > > (void)(cpu) > > use to the 'cpu' parameter to the macro definition - or, (which is a > much better solution), to convert it to an inline function. >
OK send patch: [PATCH -tip] x86: k8.h reference to node in node_to_k8_nb_misc for !CONFIG_K8_NB
Thanks,
-- JSR
-- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |