[PATCH 6/8] acpi-cpufreq: use cpu_core_map on multicore processors

[Alexey Starikovskiy <alexey_y_starikovskiy@linux.intel.com>]

 acpi-cpufreq.c |   11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

on some new systems “shared_cpu_map” from ACPI is wrong, so   “cpu_core_map” structure is used to define right “policy->cpus” group.

Signed-off: Denis Sadykov <denis.m.sadykov@intel.com>
Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi at intel.com>
Signed-off-by: Alexey Starikovskiy <alexey.y.starikovskiy at intel.com>

Index: linux-2.6.17/arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c
===================================================================
--- linux-2.6.17.orig/arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c	2006-07-17 17:09:27.000000000 +0000
+++ linux-2.6.17/arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c	2006-07-17 17:11:07.000000000 +0000
@@ -542,7 +542,16 @@
 		}
 	}
 
-	policy->cpus = data->acpi_data->shared_cpu_map;
+/*	policy->cpus = data->acpi_data->shared_cpu_map; */
+/* NOTE TODO:
+	Actually we must use "shared_cpu_map" from acpi data to define policy->cpus,
+	but on some new systems "shared_cpu_map" is wrong. So we use "cpu_core_map"
+	sructure temporarily. Should be return back. */
+#ifdef CONFIG_SMP
+	policy->cpus = cpu_core_map[cpu];
+#else
+	policy->cpus = cpumask_of_cpu(cpu);
+#endif /* CONFIG_SMP */
 	for_each_cpu_mask(i, policy->cpus) {
 		drv_data[i] = data;
 	}