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SubjectRe: [PATCH 15/15] x86: Fix cpu_coregroup_mask to return correct cpumask on multi-node processors
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On Thu, 2009-08-20 at 15:46 +0200, Andreas Herrmann wrote:
> The correct mask that describes core-siblings of an processor
> is topology_core_cpumask. See topology adapation patches, especially
> http://marc.info/?l=linux-kernel&m=124964999608179


argh, violence, murder kill.. this is the worst possible hack and you're
extending it :/

> Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com>
> ---
> arch/x86/kernel/smpboot.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
> index f797214..f39bb2c 100644
> --- a/arch/x86/kernel/smpboot.c
> +++ b/arch/x86/kernel/smpboot.c
> @@ -446,7 +446,7 @@ const struct cpumask *cpu_coregroup_mask(int cpu)
> * And for power savings, we return cpu_core_map
> */
> if (sched_mc_power_savings || sched_smt_power_savings)
> - return cpu_core_mask(cpu);
> + return topology_core_cpumask(cpu);
> else
> return c->llc_shared_map;
> }


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