redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

[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>
hifive-unleashed-5.1
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
arch/arm/kernel/smp.c
View File

@ -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);
}

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;
/*
* 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);
}
/*