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x86: fill cpu to apicid and present map in mpparse, fix

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Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Ingo Molnar 2008-03-19 20:26:15 +01:00
parent a6c422ccdb
commit 1161705bd6
1 changed files with 6 additions and 0 deletions
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6
arch/x86/kernel/mpparse_32.c
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@ -75,6 +75,10 @@ unsigned disabled_cpus __cpuinitdata;
/* Bitmask of physically existing CPUs */ /* Bitmask of physically existing CPUs */
physid_mask_t phys_cpu_present_map; physid_mask_t phys_cpu_present_map;
#ifndef CONFIG_SMP
DEFINE_PER_CPU(u16, x86_bios_cpu_apicid) = BAD_APICID;
#endif
/* /*
* Intel MP BIOS table parsing routines: * Intel MP BIOS table parsing routines:
*/ */
@ -229,6 +233,7 @@ static void __cpuinit MP_processor_info (struct mpc_config_processor *m)
def_to_bigsmp = 1; def_to_bigsmp = 1;
} }
} }
#ifdef CONFIG_SMP
/* are we being called early in kernel startup? */ /* are we being called early in kernel startup? */
if (x86_cpu_to_apicid_early_ptr) { if (x86_cpu_to_apicid_early_ptr) {
u16 *cpu_to_apicid = x86_cpu_to_apicid_early_ptr; u16 *cpu_to_apicid = x86_cpu_to_apicid_early_ptr;
@ -240,6 +245,7 @@ static void __cpuinit MP_processor_info (struct mpc_config_processor *m)
per_cpu(x86_cpu_to_apicid, cpu) = m->mpc_apicid; per_cpu(x86_cpu_to_apicid, cpu) = m->mpc_apicid;
per_cpu(x86_bios_cpu_apicid, cpu) = m->mpc_apicid; per_cpu(x86_bios_cpu_apicid, cpu) = m->mpc_apicid;
} }
#endif
cpu_set(cpu, cpu_present_map); cpu_set(cpu, cpu_present_map);
} }