Re: [PATCH 4/5] x86: Move per cpu cpu_core_map to a field in structcpuinfo_x86

From: Borislav Petkov
Date: Tue Feb 21 2012 - 09:21:26 EST


On Mon, Feb 20, 2012 at 10:06:05PM -0400, Kevin Winchester wrote:
> This simplifies the various code paths using this field as it
> groups the per-cpu data together.
>
> Signed-off-by: Kevin Winchester <kjwinchester@xxxxxxxxx>
> ---
> arch/x86/include/asm/processor.h | 2 ++
> arch/x86/include/asm/smp.h | 6 ------
> arch/x86/include/asm/topology.h | 4 ++--
> arch/x86/kernel/cpu/proc.c | 3 +--
> arch/x86/kernel/smpboot.c | 35 ++++++++++++++---------------------
> arch/x86/xen/smp.c | 4 ----
> drivers/cpufreq/acpi-cpufreq.c | 2 +-
> drivers/cpufreq/powernow-k8.c | 13 +++----------
> 8 files changed, 23 insertions(+), 46 deletions(-)
>
> diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
> index 38de3aa..53f7a8c 100644
> --- a/arch/x86/include/asm/processor.h
> +++ b/arch/x86/include/asm/processor.h
> @@ -115,6 +115,8 @@ struct cpuinfo_x86 {
> u16 llc_id;
> /* representing HT siblings of each logical CPU */
> cpumask_t sibling_map;
> + /* representing HT and core siblings of each logical CPU */

Let's change that to be more clear:

"representing all execution threads on a logical CPU, i.e. per physical
socket"

or if someone has an even better formulation...

other than that:

Acked-by: Borislav Petkov <bp@xxxxxxxxx>

--
Regards/Gruss,
Boris.
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