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x86: remove additional_cpus

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remove remainder of additional_cpus logic. We now just listen to the
disabled_cpus value like we did for years. disabled_cpus is always >=
0 so no need for an extra check.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Thomas Gleixner 2008-10-05 17:51:52 +02:00 committed by Ingo Molnar
parent b807305059
commit cb48bb5999
1 changed files with 2 additions and 12 deletions
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14
arch/x86/kernel/smpboot.c
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@ -1261,8 +1261,6 @@ void __init native_smp_cpus_done(unsigned int max_cpus)
check_nmi_watchdog();
}
static int additional_cpus = -1;
/*
* cpu_possible_map should be static, it cannot change as cpu's
* are onlined, or offlined. The reason is per-cpu data-structures
@ -1282,21 +1280,13 @@ static int additional_cpus = -1;
*/
__init void prefill_possible_map(void)
{
int i;
int possible;
int i, possible;
/* no processor from mptable or madt */
if (!num_processors)
num_processors = 1;
if (additional_cpus == -1) {
if (disabled_cpus > 0)
additional_cpus = disabled_cpus;
else
additional_cpus = 0;
}
possible = num_processors + additional_cpus;
possible = num_processors + disabled_cpus;
if (possible > NR_CPUS)
possible = NR_CPUS;