Commit 73eb7d9e authored Jul 11, 2005 by Russell King Committed by Russell King Jul 11, 2005

[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>

parent e11b2236

arch/arm/kernel/smp.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -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);
		}

arch/arm/mach-integrator/platsmp.c

+4 −2

Original line number	Diff line number	Diff line
		@@ -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);
		}

		/*