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| author |   Russell King <rmk@dyn-67.arm.linux.org.uk> | 2005-07-11 19:42:58 +0100 |
|---|---|---|
| committer |   Russell King <rmk+kernel@arm.linux.org.uk> | 2005-07-11 19:42:58 +0100 |
| commit | 73eb7d9e8cfd16813eec94d0ec8fa2a5262a85cc (patch) | |
| tree | 79c81babb78c36f94f677ee587ab884903fffa12 | |
| parent | [PATCH] ARM SMP: We list IRQs for present CPUs, not online CPUs (diff) | |
| download | linux-dev-73eb7d9e8cfd16813eec94d0ec8fa2a5262a85cc.tar.xz linux-dev-73eb7d9e8cfd16813eec94d0ec8fa2a5262a85cc.zip | |
[PATCH] ARM SMP: Initialise cpu_present_map
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>
| -rw-r--r-- | arch/arm/kernel/smp.c | 1 | ||||
| -rw-r--r-- | arch/arm/mach-integrator/platsmp.c | 6 |
2 files changed, 5 insertions, 2 deletions
diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c index 78c24a1266b1..7ae45c3fc834 100644 --- a/arch/arm/kernel/smp.c +++ b/arch/arm/kernel/smp.c @@ -236,6 +236,7 @@ void __init smp_prepare_boot_cpu(void) unsigned int cpu = smp_processor_id(); cpu_set(cpu, cpu_possible_map); + cpu_set(cpu, cpu_present_map); cpu_set(cpu, cpu_online_map); } diff --git a/arch/arm/mach-integrator/platsmp.c b/arch/arm/mach-integrator/platsmp.c index 88f40a5189cd..2ba025777098 100644 --- a/arch/arm/mach-integrator/platsmp.c +++ b/arch/arm/mach-integrator/platsmp.c @@ -174,11 +174,13 @@ void __init smp_prepare_cpus(unsigned int max_cpus) max_cpus = ncores; /* - * Initialise the present mask - this tells us which CPUs should - * be present. + * Initialise the possible/present maps. + * 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++) { cpu_set(i, cpu_possible_map); + cpu_set(i, cpu_present_map); } /* |