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[PATCH] ARM SMP: Initialise cpu_present_map

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Rather than relying on the fixup code in init/main.c, explicitly
initialise cpu_present_map.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King 2005-07-11 19:42:58 +01:00 • committed by Russell King
parent e11b2236ea
commit 73eb7d9e8c
2 changed files with 5 additions and 2 deletions
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1
arch/arm/kernel/smp.c
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@ -236,6 +236,7 @@ void __init smp_prepare_boot_cpu(void)
unsigned int cpu = smp_processor_id(); unsigned int cpu = smp_processor_id();
cpu_set(cpu, cpu_possible_map); cpu_set(cpu, cpu_possible_map);
cpu_set(cpu, cpu_present_map);
cpu_set(cpu, cpu_online_map); cpu_set(cpu, cpu_online_map);
} }

6
arch/arm/mach-integrator/platsmp.c
View file

@ -174,11 +174,13 @@ void __init smp_prepare_cpus(unsigned int max_cpus)
max_cpus = ncores; max_cpus = ncores;
/* /*
* Initialise the present mask - this tells us which CPUs should * Initialise the possible/present maps.
* be present. * cpu_possible_map describes the set of CPUs which may be present
* cpu_present_map describes the set of CPUs populated
*/ */
for (i = 0; i < max_cpus; i++) { for (i = 0; i < max_cpus; i++) {
cpu_set(i, cpu_possible_map); cpu_set(i, cpu_possible_map);
cpu_set(i, cpu_present_map);
} }
/* /*